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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 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 6/21
Fri 6/28

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In the last 7 days travelers have searched 43,423,329 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

May

Cheapest flight

$94
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly with an average 1% 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, +67 more

ANA, ASKY, +68 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Sunday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 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, +67 more

ANA, ASKY, +68 more

Wednesday

ANA, ASKY, Aer Lingus, +65 more

ANA, ASKY, +66 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Saturday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Sunday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

See more direct flights
See more direct flights

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

Recent round-trip flight deals

6/18Tue
1 stopDelta
5h 34mSTL-IAD
6/25Tue
1 stopDelta
4h 10mIAD-STL
$188
8/19Mon
nonstopUnited Airlines
2h 08mSTL-IAD
8/24Sat
nonstopUnited Airlines
2h 21mIAD-STL
$194
6/18Tue
nonstopUnited Airlines
2h 10mSTL-IAD
6/25Tue
1 stopUnited Airlines
6h 50mIAD-STL
$195
6/19Wed
1 stopDelta
6h 57mSTL-IAD
6/25Tue
1 stopDelta
4h 10mIAD-STL
$198
8/28Wed
1 stopAmerican Airlines
4h 38mSGF-IAD
9/1Sun
1 stopAmerican Airlines
5h 45mIAD-SGF
$232
11/9Sat
1 stopAmerican Airlines
4h 18mSGF-IAD
11/16Sat
1 stopAmerican Airlines
4h 45mIAD-SGF
$245
7/12Fri
1 stopSun Country Air
27h 12mSTL-IAD
7/14Sun
1 stopSun Country Air
6h 24mIAD-STL
$245
7/1Mon
1 stopSun Country Air
15h 27mMCI-IAD
7/8Mon
1 stopSun Country Air
6h 04mIAD-MCI
$265
6/11Tue
3 stops
18h 57mSTL-IAD
6/12Wed
3 stops
26h 47mIAD-STL
$298
6/21Fri
1 stop
15h 14mSTL-IAD
6/26Wed
3 stops
24h 53mIAD-STL
$306

Search by stops

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Recent one-way flight deals

6/11Tue
1 stopDelta
3h 48mSTL-IAD
$94
8/20Tue
1 stopAmerican Airlines
4h 38mSGF-IAD
$98
10/19Sat
nonstopUnited Airlines
2h 09mSTL-IAD
$100
7/23Tue
nonstopUnited Airlines
2h 10mSTL-IAD
$111
6/10Mon
1 stopSun Country Air
15h 27mMCI-IAD
$128
6/16Sun
1 stopSun Country Air
5h 23mSTL-IAD
$133
6/19Wed
2 stops
21h 06mMCI-IAD
$134
6/20Thu
2 stops
6h 49mSTL-IAD
$146
6/5Wed
2 stopsQatar Airways
43h 01mSTL-IAD
$1,947
7/27Sat
2 stopsQatar Airways
35h 55mSTL-IAD
$1,957

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Search by price

Last minute flights from Missouri to Dulles Intl

Last minute flight, train and bus deals

5/24Fri
multi-stopSun Country Air
25h 17mSTL-IAD
5/26Sun
multi-stopSun Country Air
5h 55mIAD-STL
$305
5/23Thu
multi-stopAmerican Airlines
4h 27mSGF-IAD
5/26Sun
multi-stopAmerican Airlines
4h 50mIAD-SGF
$415
5/23Thu
multi-stop
6h 39mSTL-IAD
5/29Wed
multi-stop
24h 54mIAD-STL
$486
5/27Mon
multi-stopDelta
3h 56mSTL-IAD
8/5Mon
multi-stopDelta
4h 49mIAD-STL
$489
5/25Sat
multi-stopAmerican Airlines
6h 41mSTL-IAD
5/28Tue
multi-stopAmerican Airlines
5h 03mIAD-STL
$551
5/25Sat
multi-stopUnited Airlines
4h 46mSTL-IAD
5/28Tue
nonstopUnited Airlines
2h 12mIAD-STL
$554
5/25Sat
multi-stopUnited Airlines
6h 16mSTL-IAD
5/27Mon
nonstopUnited Airlines
2h 24mIAD-STL
$563
5/23Thu
nonstopUnited Airlines
2h 10mSTL-IAD
5/29Wed
nonstopUnited Airlines
2h 12mIAD-STL
$567
5/23Thu
multi-stopAmerican Airlines
6h 27mSTL-IAD
5/25Sat
multi-stopAmerican Airlines
5h 51mIAD-STL
$569
5/24Fri
multi-stopDelta
5h 11mSTL-IAD
5/29Wed
multi-stopDelta
4h 28mIAD-STL
$572

Search by stops

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Flights to Washington Dulles Airport