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$79 Find cheap flights from Washington, D.C. to Seattle

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to Seattle departing on 9/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/27
Thu 7/4

Search hundreds of travel sites at once for deals on flights to Seattle

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Seattle.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to Seattle.
In the last 7 days travelers have searched 42,816,550 times on KAYAK, and here is why:

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Cheap flight deals from Washington, D.C. to Seattle (WAS-SEA)

 
These are the cheapest deals for flights from Washington, D.C. to Seattle currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Washington, D.C. to Seattle

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Washington, D.C. to Seattle.

Recent one-way flight deals from Washington, D.C. to Seattle

Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Seattle found on KAYAK recently.

Recent last minute flight deals from Washington, D.C. to Seattle

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Washington, D.C. to Seattle.

Recent direct flight deals from Washington, D.C. to Seattle

The latest deals for direct flights from Washington, D.C. to Seattle so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Washington, D.C. to Seattle

Find recent round-trip train or bus tickets from Washington, D.C. to Seattle.

All round-trip flight deals to Seattle

The cheapest plane tickets to Seattle found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
8:00 am - 4:08 pmBWI-SEA
11h 08m1 stop
5:00 pm - 6:50 amSEA-BWI
10h 50m1 stop
$156Spirit Airlines
Find Deal
Wed, Aug 21 - Wed, Aug 28
8:00 am - 4:08 pmBWI-SEA
11h 08m1 stop
5:00 pm - 6:50 amSEA-BWI
10h 50m1 stop
$162Spirit Airlines
Find Deal
Tue, Aug 20 - Tue, Aug 27
5:35 pm - 12:49 amBWI-SEA
10h 14m2 stops
12:21 am - 12:44 pmSEA-BWI
9h 23m1 stop
$220American Airlines
Find Deal
Tue, Aug 13 - Mon, Aug 19
7:02 pm - 11:59 pmBWI-SEA
7h 57m1 stop
7:15 pm - 5:58 amSEA-BWI
7h 43m1 stop
$258Delta
Find Deal
Sun, Sep 8 - Wed, Sep 18
11:15 am - 9:56 pmBWI-SEA
13h 41m1 stop
12:21 am - 12:44 pmSEA-BWI
9h 23m1 stop
$262American Airlines
Find Deal
Wed, Aug 14 - Mon, Aug 19
5:34 pm - 10:25 pmBWI-SEA
7h 51m1 stop
12:30 am - 10:45 amSEA-BWI
7h 15m1 stop
$268Delta
Find Deal
Fri, Sep 6 - Sun, Sep 8
6:59 pm - 9:40 pmBWI-SEA
5h 41mnonstop
9:37 pm - 5:37 amSEA-BWI
5h 00mnonstop
$287Alaska Airlines
Find Deal
Sat, Sep 7 - Wed, Sep 18
10:44 am - 5:36 pmIAD-SEA
9h 52m1 stop
10:50 pm - 6:55 amSEA-IAD
5h 05mnonstop
$287United Airlines
Find Deal
Sat, Aug 24 - Wed, Aug 28
4:16 pm - 11:44 pmIAD-SEA
10h 28m1 stop
7:07 am - 3:15 pmSEA-IAD
5h 08mnonstop
$292Alaska Airlines
Find Deal
Mon, Aug 19 - Sat, Aug 31
10:10 pm - 12:54 amIAD-SEA
5h 44mnonstop
8:53 am - 6:46 pmSEA-IAD
6h 53m1 stop
$293United Airlines
Find Deal
Tue, Aug 13 - Tue, Aug 20
8:00 am - 4:08 pmBWI-SEA
11h 08m1 stop
$79Spirit Airlines
Find Deal
Tue, Sep 10
8:00 am - 4:08 pmBWI-SEA
11h 08m1 stop
$83Spirit Airlines
Find Deal
Wed, Sep 4
1:19 pm - 7:37 pmBWI-SEA
9h 18m1 stop
$107American Airlines
Find Deal
Tue, Jun 11
5:35 pm - 12:49 amBWI-SEA
10h 14m2 stops
$112American Airlines
Find Deal
Tue, Aug 13
6:12 pm - 11:53 pmBWI-SEA
8h 41m1 stop
$129Delta
Find Deal
Sun, Aug 11
7:09 pm - 10:00 pmIAD-SEA
5h 51mnonstop
$139Alaska Airlines
Find Deal
Tue, Sep 3
6:59 pm - 9:40 pmBWI-SEA
5h 41mnonstop
$139Alaska Airlines
Find Deal
Tue, Aug 20
7:30 am - 10:17 amIAD-SEA
5h 47mnonstop
$145Delta
Find Deal
Tue, Aug 13
12:55 pm - 7:24 pmDCA-SEA
9h 29m1 stop
$148United Airlines
Find Deal
Tue, Jun 18
10:15 pm - 12:59 amIAD-SEA
5h 44mnonstop
$154United Airlines
Find Deal
Tue, Jun 18
5:35 pm - 10:41 pmBWI-SEA
8h 06m1 stop
9:40 pm - 9:15 amSEA-BWI
8h 35m1 stop
$221American Airlines
Find Deal
Wed, May 29 - Wed, Jun 5
5:35 pm - 10:41 pmBWI-SEA
8h 06m1 stop
12:20 am - 12:40 pmSEA-BWI
9h 20m1 stop
$244American Airlines
Find Deal
Wed, May 29 - Tue, Jun 4
6:50 pm - 12:21 amBWI-SEA
8h 31m1 stop
7:21 pm - 5:39 amSEA-BWI
7h 18m1 stop
$268Delta
Find Deal
Thu, May 30 - Mon, Jun 3
6:50 pm - 12:21 amBWI-SEA
8h 31m1 stop
5:09 pm - 5:39 amSEA-BWI
9h 30m1 stop
$278Delta
Find Deal
Thu, May 30 - Sat, Jun 1
6:30 am - 2:26 pmBWI-SEA
10h 56m2 stops
12:42 pm - 11:02 pmSEA-BWI
7h 20m1 stop
$283United Airlines
Find Deal
Thu, May 30 - Sat, Jun 1
12:55 pm - 8:40 amDCA-SEA
22h 45m1 stop
11:28 am - 9:57 pmSEA-DCA
7h 29m1 stop
$339Frontier
Find Deal
Sun, Jun 2 - Sat, Jun 8
12:33 pm - 9:22 amBWI-SEA
23h 49m1 stop
10:26 pm - 6:03 pmSEA-BWI
16h 37m1 stop
$345Frontier
Find Deal
Fri, May 31 - Sat, Jun 8
1:05 pm - 9:20 pmBWI-SEA
11h 15m2 stops
6:35 pm - 5:10 amSEA-BWI
7h 35m1 stop
$373United Airlines
Find Deal
Wed, May 29 - Wed, Jun 5
6:05 pm - 7:21 pmIAD-SEA
28h 16m1 stop
11:18 pm - 7:30 amSEA-IAD
5h 12mnonstop
$609Alaska Airlines
Find Deal
Fri, May 31 - Sat, Jun 1
7:00 pm - 9:40 pmIAD-SEA
5h 40mnonstop
11:38 pm - 7:30 amSEA-IAD
4h 52mnonstop
$613Alaska Airlines
Find Deal
Sun, Jun 2 - Sat, Jun 15
5:36 pm - 8:39 pmIAD-SEA
6h 03mnonstop
9:59 pm - 5:56 amSEA-IAD
4h 57mnonstop
$277Delta
Find Deal
Wed, Aug 21 - Tue, Aug 27
6:59 pm - 9:40 pmBWI-SEA
5h 41mnonstop
9:37 pm - 5:37 amSEA-BWI
5h 00mnonstop
$277Alaska Airlines
Find Deal
Tue, Aug 20 - Tue, Aug 27
7:30 am - 10:17 amIAD-SEA
5h 47mnonstop
9:59 pm - 5:56 amSEA-IAD
4h 57mnonstop
$283Delta
Find Deal
Mon, Aug 19 - Tue, Aug 27
6:59 pm - 9:40 pmBWI-SEA
5h 41mnonstop
9:37 pm - 5:37 amSEA-BWI
5h 00mnonstop
$287Alaska Airlines
Find Deal
Sat, Sep 7 - Wed, Sep 18
5:36 pm - 8:39 pmIAD-SEA
6h 03mnonstop
9:59 pm - 5:56 amSEA-IAD
4h 57mnonstop
$289Delta
Find Deal
Fri, Aug 16 - Fri, Aug 23
10:15 pm - 12:59 amIAD-SEA
5h 44mnonstop
11:29 pm - 7:28 amSEA-IAD
4h 59mnonstop
$293United Airlines
Find Deal
Tue, Jun 18 - Wed, Jun 19
10:15 pm - 12:59 amIAD-SEA
5h 44mnonstop
10:30 pm - 6:29 amSEA-IAD
4h 59mnonstop
$297United Airlines
Find Deal
Sat, Jun 22 - Tue, Jul 2
6:59 pm - 9:40 pmBWI-SEA
5h 41mnonstop
9:37 pm - 5:37 amSEA-BWI
5h 00mnonstop
$297Alaska Airlines
Find Deal
Sat, Sep 21 - Sat, Sep 28
7:00 am - 9:54 amBWI-SEA
5h 54mnonstop
9:58 am - 5:59 pmSEA-BWI
5h 01mnonstop
$342Undisclosed Carrier
Find Deal
Tue, Nov 5 - Tue, Nov 12
6:59 pm - 9:49 pmBWI-SEA
5h 50mnonstop
9:50 pm - 5:48 amSEA-BWI
4h 58mnonstop
$459Undisclosed Carrier
Find Deal
Tue, Jul 9 - Tue, Jul 16

Flights from Washington, D.C. to Seattle - Travel Insights & Trends

Get data-powered insights and trends into flights from Washington, D.C. to Seattle to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest Washington, D.C. to Seattle flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for one-way flights from Washington, D.C. to Seattle.
Our data shows that the cheapest route for a one-way flight from Washington, D.C. to Seattle cost $144 and was between Washington, D.C. Dulles Intl Airport and Seattle. On average, the best prices are found if you fly this route. The average price for a return flight for this route is $276.

What’s the cheapest day of the week to fly from Washington, D.C. to Seattle?

The average price of all flights from Washington, D.C. to Seattle clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Washington, D.C. to Seattle, look for departures on Tuesdays and avoid leaving on a Sunday, as it's usually the priciest day. When flying back from Seattle, Thursday is the cheapest day to fly and Sunday is the most expensive.

What is the cheapest month to fly from Washington, D.C. to Seattle?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Washington, D.C. to Seattle, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Washington, D.C. to Seattle is January, where tickets cost $336 on average. On the other hand, the most expensive months are June and July, where the average cost of tickets is $527 and $491 respectively.

How far in advance should I book a flight from Washington, D.C. to Seattle?

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Washington, D.C. to Seattle, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Washington, D.C. to Seattle, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 52 days before departure.

Which airlines provide the cheapest flights from Washington, D.C. to Seattle?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
The cheapest return flight ticket from Washington, D.C. to Seattle found by KAYAK users in the last 72 hours was for $156 on Spirit Airlines, followed by American Airlines ($220). One-way flight deals have also been found from as low as $79 on Spirit Airlines and from $107 on American Airlines.

Which airlines fly most frequently between Washington, D.C. and Seattle?

Alaska Airlines (15 flights per day), United Airlines (5 flights per day), and Delta (3 flights per day) are the most frequent flyers of this route.

Which airlines fly non-stop between Washington, D.C. and Seattle?

Airline and price data is aggregated from results in KAYAK’s search results from the last 2 weeks for flights from Washington, D.C. to Seattle.
There are 4 airlines that fly nonstop from Washington, D.C. to Seattle. They are: Alaska Airlines, Delta, Southwest and United Airlines. The cheapest price of all airlines flying this route was found with Delta at $139 for a one-way flight. On average, the best prices for this route can be found at Delta.

How many flights are there between Washington, D.C. and Seattle per day?

Each day, there are between 22 and 27 nonstop flights that take off from Washington, D.C. and land in Seattle, with an average flight time of 5h 42m. The most common departure time is 7:00 am and most flights take off in the morning. Each week, there are 173 flights. The most frequent day of departure is Thursday, when 16% of all weekly flights depart. The fewest flights depart on a Friday.

Which cabin class options are there for flights between Washington, D.C. and Seattle?

The average price of flights for each cabin class for the route found by users searching on KAYAK over the last 2 weeks.
There are 4 cabin class options for the route. These are First, Business, Economy and Prem Economy. Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

How long does a flight from Washington, D.C. to Seattle take?

The duration of a nonstop flight to Seattle from Washington, D.C. is typically 5h 30m. The journey crosses a distance of 2,319 miles.

What’s the earliest departure time from Washington, D.C. to Seattle?

Early birds can take the earliest flight from Washington, D.C. at 7:00 am and will be landing in Seattle at 9:30 am.

What’s the latest departure time from Washington, D.C. to Seattle?

If you prefer to fly at night, the latest flight from Washington, D.C. to Seattle jets off at 10:15 pm and lands at 12:59 am.

Good to know

Low season

January

High season

July

Cheapest flight

$79
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Baltimore to Seattle

When to book flights from Washington, D.C. to Seattle

Are your dates flexible? Find out the best times to travel from Washington, D.C. to Seattle based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to Seattle

  • Do all three Washington airports have a USO?

    Yes. IAD, DCA, and BWI each have a USO lounge with complimentary amenities for active-duty US service members, US military retirees, members of the National Guard, and Reservists, and all their families.

  • Do all three Washington airports have a place to pray?

    Yes. IAD provides its passengers and staff with an Inter-faith Chapel that provides a quiet place for prayer and meditation. DCA also has an Inter-faith Chapel that serves as a quiet place for reflection, meditation, and sanctuary for anyone who wants it. BWI has a Meditation Room, which is also a quiet place of reflection and sanctuary.

  • How do I get from SEA into the city center of Seattle?

    The easiest and most convenient way to get from SEA into Seattle is to take the Light Rail #1 from the Light Rail Station at SEA, which is located on the 4th floor near the Parking Garage. This train will take you to many locations throughout the Seattle metropolitan area.

  • How can I fly from each Washington airport into SEA?

    Several airlines operate non-stop flights from an airport in Washington to Seattle-Tacoma International Airport SEA. Alaska Airlines, Delta, and United Airlines are among the carriers that depart from IAD and fly non-stop to SEA. Alaska Airlines is one carrier that departs from DCA and BWI and flies non-stop to SEA. Airlines such as Delta, Frontier, and American Airlines operate flights from WAS to SEA with one stop. You can get a one-stop flight to Seattle that departs from IAD, DCA, or BWI. Some layover cities include Chicago (ORD), New York (JFK), and Detroit (DTW).

  • What is the cheapest flight from Washington, D.C. to Seattle?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to Seattle was $79 for a one-way ticket and $156 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and Seattle?

    No, a passport isn't needed to fly from Washington, D.C. to Seattle. However, local authorities might ask for an official ID.

  • Which airports will I be using when flying from Washington, D.C. to Seattle?

    On your way to Seattle, you’ll fly out from one of these Washington, D.C. airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You’ll be landing at Seattle/Tacoma Intl.

  • Which airlines offer Wi-Fi service onboard planes from Washington, D.C. to Seattle?

    Only Alaska Airlines offers inflight Wi-Fi service on the Washington, D.C. to Seattle flight route.

  • Which aircraft models fly most regularly from Washington, D.C. to Seattle?

    The Boeing 737 MAX 9 is the aircraft model that flies most regularly on the Washington, D.C. to Seattle flight route.

  • Which airline alliances offer flights from Washington, D.C. to Seattle?

    oneworld, SkyTeam, and Star Alliance are the airline alliances operating flights between Washington, D.C. and Seattle, with Star Alliance being the most commonly used for this route.

  • On which days can I fly direct from Washington, D.C. to Seattle?

    There are nonstop flights from Washington, D.C. to Seattle on a daily basis.

  • Which is the best airline for flights from Washington, D.C. to Seattle, Alaska Airlines or Delta?

    The two airlines most popular with KAYAK users for flights from Washington, D.C. to Seattle are Alaska Airlines and Delta. With an average price for the route of $448 and an overall rating of 8.0, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $383 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Washington, D.C. to Seattle?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to Seattle?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Seattle with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to Seattle?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Seattle from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from Washington, D.C. to Seattle

  • Looking for a cheap flight? 25% of our users found flights on this route for $255 or less one-way and $464 or less round-trip.
  • All three major Washington DC airports fly into Seattle-Tacoma International Airport (SEA). Washington Dulles International Airport (IAD) serves as a hub for United Airlines. Ronald Reagan Washington National Airport (DCA) is a hub for American Airlines. Baltimore Washington Airport (BWI) is the primary hub of Southwest Airlines.
  • You can find helpful volunteers to answer any of your questions about travel at all three Washington airports. The Airport Ambassadors at DCA wear bright blue shirts. The Airport Pathfinders at BWI are recognizable in their navy blue shirts. The Airport Ambassadors at IAD stand out in their bright yellow shirts or hoodies. If you see any of these volunteers in the terminals or at the information desks, don't hesitate to ask them for assistance if you need it.
  • All three Washington airports provide animal relief stations for those traveling with a service animal or pet. DCA has four pet relief stations Landside and two Airside. BWI has two relief areas Landside and two Airside. IAD has three animal relief stations Landside, outside the terminal, and two stations Airside.
  • If you need to wait for a ride when you land at SEA and you are traveling with children, feel free to take advantage of the play area for kids that SEA has installed between Concourses A and B. Children can play with the oversized toys inspired by airplanes and airports as parents watch from the nearby seating.
  • At SEA, you can take advantage of the relaxation and massage services at Spa Terminal Getaway. This retail spa outlet is located at Gate A5 on Concourse A.
See more tips

Prefer to fly non-stop from Washington, D.C. to Seattle?

Find which airlines fly direct from Washington, D.C. to Seattle/Tacoma Intl, which days they fly and book direct flights.

Nonstop departures

Washington, D.C. to Seattle/Tacoma Intl

Monday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Tuesday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

Wednesday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Thursday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

Friday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

Saturday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +13 more

Air Tahiti Nui, Alaska Airlines, +14 more

Sunday

Air Tahiti Nui, Alaska Airlines, Austrian Airlines, +12 more

Air Tahiti Nui, Alaska Airlines, +13 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Washington, D.C.

Monday

ANA, Air Tahiti Nui, Alaska Airlines, +13 more

ANA, Air Tahiti Nui, +14 more

Tuesday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

Wednesday

ANA, Air Tahiti Nui, Alaska Airlines, +13 more

ANA, Air Tahiti Nui, +14 more

Thursday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

Friday

ANA, Air Tahiti Nui, Alaska Airlines, +14 more

ANA, Air Tahiti Nui, +15 more

Saturday

ANA, Air Tahiti Nui, Alaska Airlines, +15 more

ANA, Air Tahiti Nui, +16 more

Sunday

ANA, Air Tahiti Nui, Alaska Airlines, +14 more

ANA, Air Tahiti Nui, +15 more

See more direct flights
See more direct flights

Top 5 airlines serving from Washington, D.C. to Seattle

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to Seattle. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to Seattle? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 9192 reviews
7.9Comfort
7.3Food
7.3Entertainment
8.6Crew
8.2Boarding
Airline reviews

Flights were on time. Check in was fine. Crew members were pleasant.

10.0 ExcellentAnonymous, May 2024TUS - SEA
Read more about Alaska Airlines reviews

Flights were on time. Check in was fine. Crew members were pleasant.

I would have liked it to have been easier to order food for the flight. My son was not happy with the snack pack I bought him and it was a very long flight for a little boy to go without food.

Ground staff at LAX was very helpful. The Alaska lounge food and service is better than most airport lounges. I think the Staff are well trained polite and actually seem happy to work there. Great service Thanks 🙏 Jjk

The flight was very very delayed and arrived much later than planned. There was no communication about why or when our arrival would be. I would expect better and open communication about the flight but there was none. Also just pretzels? How disappointing.

I got to my destination but no comforts no snacks nothing. Like herding cows!!

My only comment was the confusion at Houston. Suppose to leave at 6 am and didn't leave til 11 am. Then moving from gate 10 to 30 and couple of hours later back to gate 10. Otherwise everyone everything was great.

The food options could be better. Possibly some sandwiches to be added to the menu.

There was a medical emergency on board the crew handled it very professionally and the ambulance crew as well. I am very impressed. Thank you Clyde Barron 31 D

Checking in was very easy. Boarding and the flights went smoothly.

I have never flown Alaska Airlines before & would recommend them to anyone& will use again

Delta crushed it. Flight attendant in first was attentive and just never stopped. Honestly one of the best domestic flights I’ve been on.

Delta is one of the best airlines I have flown

It was a Red-Eye flight so was not comfortable enough to sleep, but seat was as expected. Crew was great and in-flight entertainment was excellent. Flight was smooth

Standard economy seats on Deltas 767 were better than Alaska premium seats on their 737 MAX9; more legroom, wider seats. Entertainment was great, no ipad or phone required. Could have included a meal service.

Plane was turned around due to fog half way into the flight, Delta did not properly direct passengers to stay on same flight and instead failed to properly rebook on Alaska

The boarding process was terrible especially with an indirect flight Chicago to Seattle to San Diego was terrible talking about we overbooked a flight idk if I’d take this airline ever again we got off our flight from Chicago to Seattle and we traveled for business and they told us our connecting flight was over booked and their was no seats asking people to take a delayed next flight and they don’t tell anyone coughing to wear masks seats 30A-B were terrible during the flight no one wants to sit next to people coughing all around I don’t want to be sick traveling for work or get sick anytime it’s very upsetting the staff doesn’t take this stuff serious to tell them to wear masks when they see people coughing and sneezing

Flight was on time, the crew was personable & professional, & the plane arrived early which was nice.

This flight landed early, but deplaned late. We were stuck sitting and waiting for a gate for over an hour

My flight was very clean and the location was comfortable. The service was great. A satisfying flight!

I appreciated being upgraded. I was very disappointed with my 13 hr layover in Seattle to geg, while my friends who flew Alaska made it home as scheduled. I had to reserve a hotel on my dime.

An hour and a half late is UNACCEPTABLE. The negative impact to our family is unconscionable. And for the price we were forced to pay...

We ended up with seats in the very back. So they did not recline. Have no idea why, we reserved and checked in very early. The isles were very narrow and the seats had very little leg room. But they did give us water, and a snack.

Should have video screens Plane audio was poor and without wired connection hard to understand crew. Should serve more than just cups of water and pretzels on six hour flight. Did not see crew rest of flight. Fix charging sockets to retain charging blocks.

they made me check my carryon. There was space in the overhead bins.

The plane was delayed 2 hours. The wifi did not work. The seat in first class was not comfortable because the bottom felt like it lost all of its padding. And I did not like when the flight attendant made me wait at my seat to use the bathroom and didn't tell me why. If there were too many people using the 1st Class bathroom, she should have told me to go in the back, coach bathrooms. I guess I have to feel fortunate that they found 2 local pilots to still fly the plane tonight after the original pilots ended up at an airport 60 miles away due to high winds.

The crew were really great, but the 4 hour delay in small chunks was the worst.

Our flight was delayed many times throughout the day. The final delay was about 8 hours. I spent time in line to speak to someone at their understaffed desk, and also spent time waiting online and then chatting with a service rep. None of the United employees were any help at all. I desperately wanted to go get rest and possibly re-book my trip but I was denied any compensation or voucher for a hotel. I was repeatedly told it was not United's fault and therefore they had no compensation to offer. Overall, a cold and callous experience.

Flight crew and pilots did great. Flight way delayed due to a part needing replacement. Based on what the pilot indicated- the maintenance crew could’ve resolved this more efficiently than replacing whole part- and taken less time

The most cramped seating I’ve ever experienced, (including budget airlines) with no food available for purchase on a nearly 6 hour flight.

Flight was canceled do to mechanical failure I lost my connection flight at to pay $2500.00 more to get 4 more tickets to fly to Ketchikan Alaska This was the worst experience I had flying. I thinks kayak should pay for my new ticket from Seattle to Ketchikan That may bring less pain from my trip Thanks Ilir

AA1537 the AC was not working properly. It was very hot and uncomfortable.

i suspect i caught flu on this flight as i could hear someone coughing a few rows back and ended up with flu a few days later. also tiresome to have to watch movies on my device by holding up smartphone screen, would have liked to have in seat display.

Overall the flights pretty good. The snacks we’re good and they were plenty of them. Both boarding and deplaning went quickly.

Delayed abs delayed Gate crew giving poor info - we are definitely leaving at —- Ultimately to cancel flight after 4+ hours of delays Just cancel it earlier

The flight was scheduled to depart DCA at 12:30 pm but was delayed twice on the ground so that we were finally scheduled to depart at around 4:00 pm. Once we boarded, it was announced that takeoff would be delayed again to fix a hydraulic problem which delayed our eventual takeoff until around 5:00 pm. Once we departed, it was a smooth flight back to ORD. We did not get any explanation about what caused the original significant delay. In my experience, this happens frequently with AA.

Lots of weather delays that were poorly communicated and managed. I get there are weather delays but they didn’t make it clear what was happening or comfortable on the plane

Everything was on time; the flight attendants and the gate personnel were very pleasant and helpful.

I had trouble finding a boarding pass because I had an hour between Flights and American did not see my flight I believe because I was ticketed through KAYAK. I did not have enough time to go to the desk before boarding so I went to the desk and told them while I was boarding and they had a boarding pass for me within three minutes. Nice. I paid extra to have more legroom and it is definitely worth it for a six hour flight. I would’ve paid for a decent dinner, but they didn’t offer anything but a snack box —not good for six hours.

Our second leg to Jackson WY was unable to land due to weather. We were flown back to Dallas after stopping in SLC. We were given hotel rooms and vouchers. We were told that we would be back on the same plane in the morning. Instead we were given a different flight with different seats. Not a good experience. No one knew what was going on.

Perfect flight. On time departure and early arrival. Smooth flight.

It was ridiculously hard to check in for the flight, and Frontier charged us a LOT of money to have a carry on suitcase, and then told everyone we could not carry on bags and had to check them through at the gate, and didn't refund the extra money we paid to have the suitcase as carry on.

I had a terrible experience with Frontier. I arrived before the 60 minute cut off and was told that Frontier has a two hour window for bags. I was then told the next available flight wasn’t until the end of the day (I had booked a 6am flight). I took a look around and saw other people being told that they could not board their flights or that they had to pay additional fees. I opted to rebook on American Airlines. There’s absolutely no straightforward way to contact Frontier, so this ticket was a complete waste of money. Oh - and the kicker is that the lady lied about the two hour cut off.

Frontier won’t help you at the airport without paying $25. Carry on was $75. Then you get on the plain and every beverage or snack is also a charge. Seats are hard and real packed in. I would never fly them again.

Worst experience I have seen. The flight was cancelled without any reason.

My experience with frontier staff at the Denver airport was absolutely horrible. The manager on duty was even worst if was the worst experience I have ever had, I have never been treated so poorly as a customer in my life! The staff was extremely rude, eye rolls and attitude and then refusal to help me at all. I wish I could never fly frontier again that’s how horrible it was!

The Frontier app wasn’t working. So I could not pay for a carry on the week prior to flying. They charged me 99$ at the gate to carry on a duffle bag.

Good for the price. My only complaint is that the pilot should keep the air flowing while passengers are waiting to getting out of airplane.

Plane could have been more on time. More leg room .

I arrived 1 hour prior to boarding, and they said I was too late for a domestic flight. First time I heard that :-(

Check in online was easy. Seats aren’t very comfortable

Book cheap flights from Washington, D.C. to Seattle

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Washington, D.C. to Seattle found on KAYAK in the last 72 hours.
9/10Tue
1 stopSpirit Airlines
11h 08mBWI-SEA
$79
9/4Wed
1 stopSpirit Airlines
11h 08mBWI-SEA
$83
6/11Tue
1 stopAmerican Airlines
9h 18mBWI-SEA
$107
8/13Tue
2 stopsAmerican Airlines
10h 14mBWI-SEA
$112
8/11Sun
1 stopDelta
8h 41mBWI-SEA
$129
9/3Tue
nonstopAlaska Airlines
5h 51mIAD-SEA
$139
8/20Tue
nonstopAlaska Airlines
5h 41mBWI-SEA
$139
8/13Tue
nonstopDelta
5h 47mIAD-SEA
$145
6/18Tue
1 stopUnited Airlines
9h 29mDCA-SEA
$148
6/18Tue
nonstopUnited Airlines
5h 44mIAD-SEA
$154

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Last minute flights from Washington, D.C. to Seattle

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Washington, D.C. to Seattle that are departing in the next 10 days.
5/29Wed
multi-stopAmerican Airlines
8h 06mBWI-SEA
6/5Wed
multi-stopAmerican Airlines
8h 35mSEA-BWI
$221
5/29Wed
multi-stopAmerican Airlines
8h 06mBWI-SEA
6/4Tue
multi-stopAmerican Airlines
9h 20mSEA-BWI
$244
5/30Thu
multi-stopDelta
8h 31mBWI-SEA
6/3Mon
multi-stopDelta
7h 18mSEA-BWI
$268
5/30Thu
multi-stopDelta
8h 31mBWI-SEA
6/1Sat
multi-stopDelta
9h 30mSEA-BWI
$278
5/30Thu
multi-stopUnited Airlines
10h 56mBWI-SEA
6/1Sat
multi-stopUnited Airlines
7h 20mSEA-BWI
$283
6/2Sun
multi-stopFrontier
22h 45mDCA-SEA
6/8Sat
multi-stopFrontier
7h 29mSEA-DCA
$339
5/31Fri
multi-stopFrontier
23h 49mBWI-SEA
6/8Sat
multi-stopFrontier
16h 37mSEA-BWI
$345
5/29Wed
multi-stopUnited Airlines
11h 15mBWI-SEA
6/5Wed
multi-stopUnited Airlines
7h 35mSEA-BWI
$373
5/31Fri
multi-stopAlaska Airlines
28h 16mIAD-SEA
6/1Sat
nonstopAlaska Airlines
5h 12mSEA-IAD
$609
6/2Sun
nonstopAlaska Airlines
5h 40mIAD-SEA
6/15Sat
nonstopAlaska Airlines
4h 52mSEA-IAD
$613

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Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Washington, D.C.

Cabin classes:

$775
$797
$566
$276