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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 6/4. 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
Sat 6/15
Sat 6/22

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In the last 7 days travelers have searched 42,211,976 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

6/25Tue
1 stopDelta
3h 48mSTL-IAD
7/2Tue
1 stopDelta
4h 09mIAD-STL
$198
9/14Sat
1 stopDelta
4h 57mSGF-IAD
9/17Tue
1 stopDelta
7h 36mIAD-SGF
$198
6/26Wed
nonstopUnited Airlines
2h 10mSTL-IAD
7/2Tue
1 stopUnited Airlines
5h 02mIAD-STL
$209
10/16Wed
1 stopUnited Airlines
6h 35mSTL-IAD
10/20Sun
1 stopUnited Airlines
4h 37mIAD-STL
$223
6/17Mon
1 stopSun Country Air
15h 43mMCI-IAD
6/18Tue
1 stopSun Country Air
27h 20mIAD-MCI
$235
11/9Sat
1 stopAmerican Airlines
4h 18mSGF-IAD
11/16Sat
1 stopAmerican Airlines
4h 48mIAD-SGF
$245
11/9Sat
2 stopsAmerican Airlines
8h 44mSGF-IAD
11/16Sat
1 stopAmerican Airlines
6h 27mIAD-SGF
$252
10/6Sun
1 stopSun Country Air
16h 21mMCI-IAD
10/10Thu
1 stopSun Country Air
24h 39mIAD-MCI
$255
6/4Tue
3 stops
29h 00mMCI-IAD
6/11Tue
3 stops
19h 39mIAD-MCI
$283
6/4Tue
3 stops
29h 00mMCI-IAD
6/11Tue
3 stops
19h 39mIAD-MCI
$288

Search by stops

Search by airline

Search by price

Recent one-way flight deals

6/4Tue
1 stopDelta
3h 41mSTL-IAD
$94
6/12Wed
nonstopUnited Airlines
2h 10mSTL-IAD
$95
8/20Tue
1 stopAmerican Airlines
4h 38mSGF-IAD
$98
9/17Tue
1 stopAmerican Airlines
7h 29mSGF-IAD
$99
6/12Wed
1 stopUnited Airlines
6h 16mSTL-IAD
$104
7/15Mon
1 stopSun Country Air
18h 00mMCI-IAD
$118
6/24Mon
1 stopSun Country Air
15h 23mMCI-IAD
$119
7/18Thu
2 stops
7h 35mSTL-IAD
$142
6/11Tue
3 stops
34h 00mMCI-IAD
$151
6/6Thu
2 stopsSpirit Airlines
23h 22mMCI-IAD
$332

Search by stops

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Search by price

Last minute flights from Missouri to Dulles Intl

Last minute flight, train and bus deals

5/19Sun
multi-stopSun Country Air
5h 12mSTL-IAD
5/26Sun
multi-stopSun Country Air
5h 55mIAD-STL
$341
5/21Tue
multi-stopUnited Airlines
20h 43mMCI-IAD
5/22Wed
nonstopUnited Airlines
2h 52mIAD-MCI
$467
5/18Sat
multi-stopDelta
7h 09mSGF-IAD
8/3Sat
multi-stopDelta
5h 50mIAD-SGF
$468
5/18Sat
multi-stopAmerican Airlines
4h 27mSGF-IAD
8/3Sat
multi-stopAmerican Airlines
6h 22mIAD-SGF
$495
5/19Sun
multi-stop
6h 39mSTL-IAD
5/26Sun
multi-stop
5h 55mIAD-STL
$513
5/21Tue
multi-stopDelta
4h 34mSGF-IAD
5/25Sat
multi-stopDelta
6h 08mIAD-SGF
$528
5/20Mon
multi-stop
18h 15mSTL-IAD
5/27Mon
multi-stop
25h 42mIAD-STL
$530
5/21Tue
multi-stopAmerican Airlines
6h 41mSTL-IAD
5/23Thu
multi-stopAmerican Airlines
5h 51mIAD-STL
$558
5/17Fri
multi-stopAlaska Airlines
15h 59mMCI-IAD
5/24Fri
multi-stopAlaska Airlines
32h 14mIAD-MCI
$1,427
5/17Fri
multi-stopAlaska Airlines
24h 59mMCI-IAD
5/19Sun
multi-stopAlaska Airlines
31h 47mIAD-MCI
$2,002

Search by stops

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Flights to Washington Dulles Airport