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$85 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 9/4. 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
Fri 7/5
Fri 7/12

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In the last 7 days travelers have searched 44,281,614 times on KAYAK, and here is why:

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Good to know

Low season

January

High season

June

Cheapest flight

$85
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

9/6Fri
1 stopDelta
5h 59mSTL-IAD
9/7Sat
1 stopDelta
6h 16mIAD-STL
$188
8/17Sat
1 stopAmerican Airlines
7h 14mSGF-IAD
8/24Sat
1 stopAmerican Airlines
5h 41mIAD-SGF
$198
10/5Sat
nonstopUnited Airlines
2h 09mSTL-IAD
10/9Wed
1 stopUnited Airlines
7h 23mIAD-STL
$199
8/17Sat
1 stopAmerican Airlines
6h 00mSGF-IAD
8/24Sat
2 stopsAmerican Airlines
9h 56mIAD-SGF
$203
6/29Sat
1 stopUnited Airlines
6h 00mSTL-IAD
7/2Tue
1 stopUnited Airlines
4h 55mIAD-STL
$208
8/23Fri
1 stopUnited Airlines
5h 55mSTL-IAD
8/26Mon
nonstopUnited Airlines
2h 21mIAD-STL
$214
7/8Mon
1 stopSun Country Air
26h 57mSTL-IAD
7/15Mon
1 stopSun Country Air
25h 51mIAD-STL
$255
6/16Sun
1 stopSun Country Air
5h 23mSTL-IAD
6/18Tue
1 stopSun Country Air
27h 56mIAD-STL
$265
6/24Mon
1 stop
15h 23mMCI-IAD
6/25Tue
3 stops
17h 19mIAD-MCI
$300
7/9Tue
3 stops
21h 15mSTL-IAD
7/14Sun
1 stop
6h 22mIAD-STL
$303

Search by stops

Search by airline

Search by price

Recent one-way flight deals

9/4Wed
nonstopUnited Airlines
2h 08mSTL-IAD
$85
9/4Wed
1 stopUnited Airlines
5h 55mSTL-IAD
$90
7/2Tue
1 stopDelta
4h 46mSTL-IAD
$94
8/20Tue
1 stopAmerican Airlines
4h 48mSGF-IAD
$99
7/2Tue
1 stopDelta
5h 00mSTL-IAD
$104
6/30Sun
1 stopSun Country Air
14h 59mSTL-IAD
$120
6/11Tue
3 stops
22h 23mSTL-IAD
$124
6/11Tue
3 stops
18h 57mSTL-IAD
$128
7/8Mon
1 stopSun Country Air
26h 57mSTL-IAD
$138
8/7Wed
2 stopsAmerican Airlines
8h 55mMCI-IAD
$159

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
6h 04mSGF-IAD
6/9Sun
multi-stopAmerican Airlines
6h 19mIAD-SGF
$338
6/8Sat
multi-stopAmerican Airlines
8h 45mSGF-IAD
6/9Sun
multi-stopAmerican Airlines
6h 19mIAD-SGF
$343
6/10Mon
multi-stopSun Country Air
15h 27mMCI-IAD
6/13Thu
multi-stopSun Country Air
22h 57mIAD-MCI
$365
6/10Mon
multi-stop
15h 27mMCI-IAD
6/13Thu
multi-stop
16h 20mIAD-MCI
$390
6/10Mon
multi-stop
15h 27mMCI-IAD
6/13Thu
multi-stop
19h 13mIAD-MCI
$392
6/8Sat
multi-stopAmerican Airlines
5h 18mSGF-IAD
6/12Wed
multi-stopAmerican Airlines
6h 19mIAD-SGF
$418
6/8Sat
multi-stopUnited Airlines
4h 36mSGF-IAD
6/12Wed
multi-stopUnited Airlines
14h 24mIAD-SGF
$533
6/6Thu
multi-stopDelta
7h 09mSGF-IAD
6/10Mon
multi-stopDelta
5h 58mIAD-SGF
$543
6/8Sat
nonstopUnited Airlines
2h 10mSTL-IAD
6/9Sun
nonstopUnited Airlines
2h 12mIAD-STL
$553
6/8Sat
multi-stopDelta
6h 43mSTL-IAD
6/11Tue
multi-stopDelta
4h 10mIAD-STL
$554

Search by stops

Search by airline

Search by price

Flights to Washington Dulles Airport