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$89 Find cheap flights from Missouri to Washington, D.C. Dulles Intl 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 6/4. 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
mar. 5/28
mar. 6/4

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Good to know

Low season

January

High season

December

Cheapest flight

$89
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 11% 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, +66 more

ANA, ASKY, +67 more

Tuesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 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, +67 more

ANA, ASKY, +68 more

Saturday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 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, +66 more

ANA, ASKY, +67 more

Tuesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 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, +67 more

ANA, ASKY, +68 more

Saturday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 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

5/25sam.
1 stopDelta
4h 23mSTL-IAD
6/1sam.
1 stopDelta
4h 05mIAD-STL
$178
5/25sam.
1 stopUnited Airlines
6h 16mSTL-IAD
5/27lun.
1 stopUnited Airlines
4h 38mIAD-STL
$205
9/7sam.
1 stopAmerican Airlines
4h 12mMCI-IAD
9/11mer.
1 stopAmerican Airlines
4h 47mIAD-MCI
$208
8/10sam.
1 stopDelta
4h 16mSTL-IAD
8/17sam.
1 stopDelta
6h 43mIAD-STL
$208
5/22mer.
1 stopDelta
3h 56mSTL-IAD
5/29mer.
1 stopDelta
4h 05mIAD-STL
$210
7/3mer.
1 stopAmerican Airlines
6h 38mMCI-IAD
7/9mar.
1 stopAmerican Airlines
5h 52mIAD-MCI
$220
5/19dim.
1 stopSun Country Air
5h 12mSTL-IAD
5/26dim.
1 stopSun Country Air
5h 55mIAD-STL
$289
6/4mar.
3 stops
29h 00mMCI-IAD
6/10lun.
1 stop
7h 27mIAD-MCI
$303
7/8lun.
1 stopSun Country Air
15h 27mMCI-IAD
7/11jeu.
1 stopSun Country Air
23h 31mIAD-MCI
$315
6/4mar.
3 stops
29h 00mMCI-IAD
6/10lun.
3 stops
31h 41mIAD-MCI
$331

Search by stops

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Recent one-way flight deals

6/4mar.
1 stopDelta
3h 41mSTL-IAD
$89
9/11mer.
1 stopAmerican Airlines
4h 12mMCI-IAD
$97
9/4mer.
1 stopDelta
5h 23mMCI-IAD
$98
6/12mer.
1 stopDelta
3h 48mSTL-IAD
$104
6/24lun.
1 stopSun Country Air
15h 23mMCI-IAD
$128
5/14mar.
3 stops
19h 45mSTL-IAD
$133
5/24ven.
1 stopSun Country Air
25h 17mSTL-IAD
$138
5/31ven.
1 stopUnited Airlines
5h 18mMCI-IAD
$148
5/15mer.
3 stops
46h 59mSTL-IAD
$164
9/11mer.
nonstopUnited Airlines
2h 33mMCI-IAD
$165

Search by stops

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Last minute flights from Missouri to Dulles Intl

Last minute flight, train and bus deals

5/3ven.
multi-stopAmerican Airlines
4h 29mSGF-IAD
5/12dim.
multi-stopAmerican Airlines
7h 18mIAD-SGF
$400
5/3ven.
multi-stopUnited Airlines
4h 41mSGF-IAD
5/12dim.
multi-stopUnited Airlines
5h 18mIAD-SGF
$433
5/1mer.
multi-stopAmerican Airlines
5h 24mMCI-IAD
5/31ven.
multi-stopAmerican Airlines
5h 57mIAD-MCI
$482
5/1mer.
multi-stopAmerican Airlines
10h 21mMCI-IAD
5/31ven.
multi-stopAmerican Airlines
5h 57mIAD-MCI
$489
5/1mer.
nonstopUnited Airlines
2h 10mSTL-IAD
5/6lun.
multi-stopUnited Airlines
5h 26mIAD-STL
$512
5/1mer.
multi-stopDelta
4h 16mSTL-IAD
5/4sam.
multi-stopDelta
6h 56mIAD-STL
$536
5/3ven.
multi-stopDelta
4h 59mSTL-IAD
5/4sam.
multi-stopDelta
4h 21mIAD-STL
$554
5/2jeu.
multi-stop
24h 53mMCI-IAD
5/6lun.
multi-stop
27h 10mIAD-MCI
$632
5/3ven.
multi-stop
24h 53mMCI-IAD
5/5dim.
multi-stop
26h 23mIAD-MCI
$771
5/3ven.
multi-stopAlaska Airlines
26h 29mSTL-IAD
5/27lun.
multi-stopAlaska Airlines
17h 59mIAD-STL
$1,597

Search by stops

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Flights to Washington Dulles Airport