Find flights
When to book
FAQs & Tips
Direct Flights
Deals

SEA

$105 Find cheap flights from Massachusetts 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 to Seattle departing on 6/11. 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
Fri 6/14
Fri 6/21

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

In the last 7 days travelers have searched 42,393,389 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Good to know

Low season

January

High season

July

Cheapest flight

$105
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 20% increase in price.
Flight from Boston to Seattle

FAQs for booking flights from Massachusetts to Seattle

  • How does KAYAK find such low prices on flights from Massachusetts 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 Massachusetts to Seattle.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Massachusetts to Seattle?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Seattle from Massachusetts 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 Massachusetts 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 Massachusetts with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Massachusetts 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 Massachusetts up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Prefer to fly non-stop from Massachusetts to Seattle?

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

Nonstop departures

Massachusetts to Seattle/Tacoma Intl

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights

Nonstop returns

Seattle/Tacoma Intl to Massachusetts

Monday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Tuesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Wednesday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Thursday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

Friday

ANA, Aer Lingus, Aeromexico, +60 more

ANA, Aer Lingus, +61 more

Saturday

ANA, Aer Lingus, Aeromexico, +62 more

ANA, Aer Lingus, +63 more

Sunday

ANA, Aer Lingus, Aeromexico, +61 more

ANA, Aer Lingus, +62 more

See more direct flights
See more direct flights

Book cheap flights from Massachusetts to Seattle

Recent round-trip flight deals

6/5Wed
2 stopsSpirit Airlines
15h 32mBOS-SEA
6/11Tue
2 stopsSpirit Airlines
26h 48mSEA-BOS
$227
6/5Wed
3 stopsSpirit Airlines
29h 22mBOS-SEA
6/11Tue
2 stopsSpirit Airlines
26h 48mSEA-BOS
$229
6/4Tue
3 stops
28h 24mBOS-SEA
6/11Tue
3 stops
32h 39mSEA-BOS
$238
6/4Tue
3 stops
28h 24mBOS-SEA
6/10Mon
2 stops
24h 16mSEA-BOS
$245
6/30Sun
1 stopSun Country Air
13h 32mBDL-SEA
7/10Wed
1 stopSun Country Air
7h 49mSEA-BDL
$275
9/21Sat
1 stopAmerican Airlines
10h 50mBOS-SEA
9/30Mon
1 stopAmerican Airlines
7h 47mSEA-BOS
$283
6/5Wed
1 stopSun Country Air
7h 53mBOS-SEA
6/11Tue
1 stopSun Country Air
14h 02mSEA-BOS
$284
8/13Tue
1 stopAmerican Airlines
9h 37mBOS-SEA
8/27Tue
1 stopAmerican Airlines
8h 30mSEA-BOS
$285
10/1Tue
nonstopDelta
6h 21mBOS-SEA
10/30Wed
nonstopDelta
5h 20mSEA-BOS
$297
9/5Thu
nonstopDelta
6h 23mBOS-SEA
9/10Tue
nonstopDelta
5h 20mSEA-BOS
$317

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/11Tue
2 stopsSpirit Airlines
21h 06mBOS-SEA
$105
6/11Tue
3 stopsSpirit Airlines
23h 25mBOS-SEA
$109
6/11Tue
1 stopDelta
10h 35mMVY-SEA
$113
5/29Wed
3 stops
32h 44mBOS-SEA
$115
6/4Tue
3 stops
28h 24mBOS-SEA
$125
6/7Fri
1 stopSun Country Air
13h 54mBDL-SEA
$130
6/3Mon
1 stopSun Country Air
9h 59mBOS-SEA
$130
9/30Mon
1 stopAmerican Airlines
8h 08mBOS-SEA
$143
6/12Wed
1 stopDelta
10h 35mMVY-SEA
$144
10/17Thu
1 stopAmerican Airlines
8h 35mBOS-SEA
$177

Search by stops

Search by airline

Search by price

Last minute flights from Massachusetts to Seattle

Last minute flight, train and bus deals

5/20Mon
multi-stop
21h 05mBOS-SEA
5/27Mon
multi-stop
7h 34mSEA-BOS
$410
5/20Mon
multi-stop
21h 05mBOS-SEA
5/31Fri
multi-stop
13h 53mSEA-BOS
$416
5/20Mon
multi-stopSpirit Airlines
21h 05mBOS-SEA
5/27Mon
multi-stopSpirit Airlines
14h 33mSEA-BOS
$437
5/20Mon
multi-stopSpirit Airlines
21h 05mBOS-SEA
5/27Mon
multi-stopSpirit Airlines
22h 46mSEA-BOS
$455
5/17Fri
nonstopDelta
6h 17mBOS-SEA
5/21Tue
nonstopDelta
5h 32mSEA-BOS
$537
5/18Sat
multi-stopDelta
11h 39mBOS-SEA
5/21Tue
nonstopDelta
5h 32mSEA-BOS
$546
5/17Fri
multi-stopSun Country Air
7h 35mBOS-SEA
5/23Thu
multi-stopSun Country Air
22h 43mSEA-BOS
$550
5/18Sat
multi-stopAmerican Airlines
8h 38mBOS-SEA
5/23Thu
multi-stopAmerican Airlines
8h 02mSEA-BOS
$553
5/16Thu
multi-stopAmerican Airlines
11h 52mBOS-SEA
5/25Sat
multi-stopAmerican Airlines
8h 02mSEA-BOS
$603
5/17Fri
multi-stopSun Country Air
7h 35mBOS-SEA
5/19Sun
multi-stopSun Country Air
13h 48mSEA-BOS
$765

Search by stops

Search by airline

Search by price

Flights to Seattle

Destination:

Seattle (SEA)United States

Return flight deals:

Seattle - Massachusetts

Cabin classes:

$1,107
$1,076
$771
$183