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$94 Find cheap flights from Missouri to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Dulles Intl departing on 7/1. 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 7/4
Thu 7/11

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In the last 7 days travelers have searched 44,060,346 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$94
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 8% increase in price.
Flight from St. Louis to Washington Dulles Airport

FAQs for booking Missouri to Washington Dulles Airport flights

  • How does KAYAK find such low prices on flights from Missouri to Washington Dulles Airport?

    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 Missouri to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Missouri 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 Missouri to Washington Dulles Airport?

    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 Washington Dulles Airport with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Washington Dulles Airport?

    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 Washington Dulles Airport from Missouri 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 Missouri to Washington Dulles Airport?

Find which airlines fly direct from Missouri to Dulles Intl, which days they fly and book direct flights.

Nonstop departures

Missouri to Washington, D.C. Dulles Intl

Monday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Sunday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

See more direct flights

Nonstop returns

Washington, D.C. Dulles Intl to Missouri

Monday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Tuesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Sunday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

See more direct flights
See more direct flights

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

Recent round-trip flight deals

9/4Wed
nonstopUnited Airlines
2h 08mSTL-IAD
9/7Sat
nonstopUnited Airlines
2h 21mIAD-STL
$169
9/4Wed
1 stopUnited Airlines
5h 28mSTL-IAD
9/7Sat
nonstopUnited Airlines
2h 21mIAD-STL
$179
9/4Wed
1 stopDelta
5h 41mSTL-IAD
9/7Sat
1 stopDelta
7h 08mIAD-STL
$188
7/1Mon
1 stopDelta
6h 57mSTL-IAD
7/5Fri
1 stopDelta
5h 55mIAD-STL
$208
7/12Fri
1 stopSun Country Air
27h 12mSTL-IAD
7/14Sun
1 stopSun Country Air
6h 22mIAD-STL
$255
6/17Mon
1 stopSun Country Air
15h 43mMCI-IAD
6/18Tue
1 stopSun Country Air
27h 20mIAD-MCI
$265
6/25Tue
1 stopAmerican Airlines
6h 28mSTL-IAD
6/25Tue
1 stopAmerican Airlines
4h 48mIAD-STL
$276
6/20Thu
2 stops
6h 49mSTL-IAD
6/22Sat
1 stop
8h 21mIAD-STL
$299
6/24Mon
1 stop
15h 23mMCI-IAD
6/25Tue
3 stops
17h 19mIAD-MCI
$300
6/24Mon
1 stopAmerican Airlines
5h 21mSTL-IAD
6/26Wed
1 stopAmerican Airlines
4h 33mIAD-STL
$322

Search by stops

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Search by price

Recent one-way flight deals

7/1Mon
1 stopUnited Airlines
6h 00mSTL-IAD
$94
8/20Tue
nonstopUnited Airlines
2h 08mSTL-IAD
$95
7/10Wed
1 stopDelta
3h 54mSTL-IAD
$104
7/10Wed
1 stopDelta
7h 04mSGF-IAD
$104
6/11Tue
3 stops
23h 47mSTL-IAD
$128
7/26Fri
1 stopSun Country Air
15h 02mMCI-IAD
$130
7/8Mon
1 stopSun Country Air
15h 27mMCI-IAD
$133
9/10Tue
3 stops
16h 21mMCI-IAD
$134
7/6Sat
1 stopAmerican Airlines
5h 15mSTL-IAD
$138
9/10Tue
1 stopAmerican Airlines
7h 36mMCI-IAD
$144

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Dulles Intl

Last minute flight, train and bus deals

6/7Fri
multi-stopAmerican Airlines
5h 46mSGF-IAD
6/9Sun
multi-stopAmerican Airlines
6h 19mIAD-SGF
$338
6/9Sun
multi-stopAmerican Airlines
4h 24mSGF-IAD
6/11Tue
multi-stopAmerican Airlines
6h 19mIAD-SGF
$343
6/9Sun
multi-stopAmerican Airlines
4h 24mSGF-IAD
6/11Tue
multi-stopAmerican Airlines
9h 44mIAD-SGF
$348
6/9Sun
multi-stopAmerican Airlines
8h 45mSGF-IAD
6/11Tue
multi-stopAmerican Airlines
9h 44mIAD-SGF
$428
6/9Sun
multi-stop
14h 52mSTL-IAD
6/10Mon
multi-stop
21h 48mIAD-STL
$474
6/7Fri
multi-stop
26h 07mSGF-IAD
6/9Sun
multi-stop
16h 34mIAD-SGF
$512
6/6Thu
multi-stopDelta
7h 09mSGF-IAD
6/10Mon
multi-stopDelta
5h 58mIAD-SGF
$543
6/5Wed
nonstopUnited Airlines
2h 10mSTL-IAD
6/8Sat
multi-stopUnited Airlines
5h 07mIAD-STL
$545
6/5Wed
multi-stopDelta
4h 34mSTL-IAD
6/8Sat
multi-stopDelta
4h 05mIAD-STL
$554
6/5Wed
nonstopUnited Airlines
2h 10mSTL-IAD
6/6Thu
multi-stopUnited Airlines
4h 49mIAD-STL
$563

Search by stops

Search by airline

Search by price

Flights to Washington Dulles Airport