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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 7/2. 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 6/29
Sat 7/6

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In the last 7 days travelers have searched 42,686,544 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 5% 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, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Wednesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +69 more

ANA, ASKY, +70 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, +68 more

ANA, ASKY, +69 more

Tuesday

ANA, ASKY, Aer Lingus, +67 more

ANA, ASKY, +68 more

Wednesday

ANA, ASKY, Aer Lingus, +66 more

ANA, ASKY, +67 more

Thursday

ANA, ASKY, Aer Lingus, +68 more

ANA, ASKY, +69 more

Friday

ANA, ASKY, Aer Lingus, +69 more

ANA, ASKY, +70 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

7/3Wed
1 stopDelta
5h 50mSTL-IAD
7/5Fri
1 stopDelta
4h 05mIAD-STL
$208
6/26Wed
nonstopUnited Airlines
2h 10mSTL-IAD
7/2Tue
1 stopUnited Airlines
4h 55mIAD-STL
$210
6/26Wed
nonstopUnited Airlines
2h 10mSTL-IAD
7/2Tue
nonstopUnited Airlines
2h 19mIAD-STL
$214
7/9Tue
1 stopDelta
4h 50mSTL-IAD
7/16Tue
1 stopDelta
5h 28mIAD-STL
$218
11/9Sat
1 stopAmerican Airlines
4h 14mSGF-IAD
11/16Sat
1 stopAmerican Airlines
4h 48mIAD-SGF
$245
11/9Sat
1 stopAmerican Airlines
6h 24mSGF-IAD
11/16Sat
2 stopsAmerican Airlines
8h 16mIAD-SGF
$250
6/28Fri
1 stopSun Country Air
16h 39mMCI-IAD
7/2Tue
1 stopSun Country Air
25h 56mIAD-MCI
$265
7/1Mon
1 stop
15h 27mMCI-IAD
7/4Thu
3 stops
25h 49mIAD-MCI
$283
6/10Mon
1 stop
15h 27mMCI-IAD
6/11Tue
3 stops
20h 54mIAD-MCI
$286
6/16Sun
1 stopSun Country Air
5h 23mSTL-IAD
6/18Tue
1 stopSun Country Air
27h 56mIAD-STL
$305

Search by stops

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Search by price

Recent one-way flight deals

7/2Tue
1 stopDelta
5h 01mSTL-IAD
$94
8/6Tue
nonstopUnited Airlines
2h 10mSTL-IAD
$95
8/20Tue
1 stopAmerican Airlines
4h 38mSGF-IAD
$98
6/18Tue
1 stopSun Country Air
14h 11mMCI-IAD
$120
7/12Fri
1 stopSun Country Air
17h 45mSTL-IAD
$128
6/12Wed
2 stops
21h 06mMCI-IAD
$137
8/1Thu
2 stops
7h 35mSTL-IAD
$142
7/31Wed
1 stopAmerican Airlines
6h 43mMCI-IAD
$143
6/5Wed
2 stopsQatar Airways
45h 43mSTL-IAD
$1,902
6/5Wed
2 stopsQatar Airways
40h 49mSTL-IAD
$1,947

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

6/4Tue
multi-stopAmerican Airlines
4h 27mSGF-IAD
6/8Sat
multi-stopAmerican Airlines
5h 52mIAD-SGF
$320
6/4Tue
multi-stopAmerican Airlines
7h 55mSGF-IAD
6/8Sat
multi-stopAmerican Airlines
5h 52mIAD-SGF
$407
6/3Mon
multi-stop
22h 08mSTL-IAD
6/7Fri
multi-stop
5h 38mIAD-STL
$483
6/2Sun
multi-stop
12h 50mSTL-IAD
6/7Fri
multi-stop
5h 38mIAD-STL
$484
6/2Sun
multi-stop
33h 14mSTL-IAD
6/7Fri
multi-stop
5h 38mIAD-STL
$494
6/4Tue
multi-stopDelta
4h 13mSTL-IAD
6/13Thu
multi-stopDelta
4h 10mIAD-STL
$496
6/4Tue
multi-stopUnited Airlines
6h 16mSTL-IAD
6/15Sat
multi-stopUnited Airlines
13h 34mIAD-STL
$525
6/4Tue
multi-stopUnited Airlines
6h 16mSTL-IAD
6/8Sat
nonstopUnited Airlines
2h 12mIAD-STL
$545
6/4Tue
multi-stopDelta
4h 06mSTL-IAD
6/14Fri
multi-stopDelta
4h 05mIAD-STL
$591
5/31Fri
multi-stopAlaska Airlines
24h 59mMCI-IAD
6/3Mon
multi-stopAlaska Airlines
22h 42mIAD-MCI
$1,490

Search by stops

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Flights to Washington Dulles Airport