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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 7/1. 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
Thu 6/27
Thu 7/4

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In the last 7 days travelers have searched 42,816,550 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 4% drop in price.
Most popular time to fly with an average 9% 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

7/4Thu
1 stopDelta
4h 46mSTL-IAD
7/9Tue
1 stopDelta
4h 02mIAD-STL
$198
9/24Tue
1 stopDelta
4h 57mSTL-IAD
9/28Sat
1 stopDelta
4h 21mIAD-STL
$208
9/24Tue
nonstopUnited Airlines
2h 08mSTL-IAD
9/28Sat
nonstopUnited Airlines
2h 23mIAD-STL
$209
7/1Mon
nonstopUnited Airlines
2h 34mMCI-IAD
7/5Fri
nonstopUnited Airlines
2h 47mIAD-MCI
$221
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
6/24Mon
1 stopSun Country Air
15h 23mMCI-IAD
7/1Mon
1 stopSun Country Air
7h 56mIAD-MCI
$265
6/24Mon
1 stopSun Country Air
15h 23mMCI-IAD
7/7Sun
1 stopSun Country Air
14h 27mIAD-MCI
$270
7/1Mon
1 stop
15h 27mMCI-IAD
7/9Tue
3 stops
24h 28mIAD-MCI
$289
6/24Mon
1 stop
15h 23mMCI-IAD
7/1Mon
3 stops
24h 45mIAD-MCI
$304

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/1Mon
1 stopUnited Airlines
6h 00mSTL-IAD
$94
6/18Tue
nonstopUnited Airlines
2h 10mSTL-IAD
$95
8/20Tue
1 stopAmerican Airlines
5h 39mSGF-IAD
$98
6/18Tue
1 stopDelta
3h 48mSTL-IAD
$104
7/1Mon
1 stopDelta
6h 57mSTL-IAD
$114
7/14Sun
1 stopSun Country Air
14h 49mSTL-IAD
$120
6/18Tue
1 stopSun Country Air
14h 11mMCI-IAD
$123
6/25Tue
1 stopAmerican Airlines
6h 38mMCI-IAD
$143
6/12Wed
2 stops
21h 06mMCI-IAD
$148
6/18Tue
3 stops
18h 57mSTL-IAD
$150

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

6/1Sat
multi-stopAmerican Airlines
6h 41mSTL-IAD
6/10Mon
multi-stopAmerican Airlines
4h 48mIAD-STL
$493
6/1Sat
multi-stop
22h 48mSTL-IAD
6/10Mon
multi-stop
25h 55mIAD-STL
$517
6/1Sat
multi-stopUnited Airlines
7h 07mSTL-IAD
6/10Mon
multi-stopUnited Airlines
13h 34mIAD-STL
$525
6/1Sat
nonstopUnited Airlines
2h 10mSTL-IAD
6/5Wed
nonstopUnited Airlines
2h 12mIAD-STL
$535
6/1Sat
multi-stopUnited Airlines
4h 16mSTL-IAD
6/5Wed
nonstopUnited Airlines
2h 12mIAD-STL
$545
5/30Thu
nonstopUnited Airlines
2h 10mSTL-IAD
6/1Sat
nonstopUnited Airlines
2h 12mIAD-STL
$553
6/1Sat
multi-stopDelta
4h 23mSTL-IAD
6/5Wed
multi-stopDelta
4h 19mIAD-STL
$554
5/30Thu
nonstopUnited Airlines
2h 10mSTL-IAD
6/1Sat
multi-stopUnited Airlines
6h 44mIAD-STL
$563
5/30Thu
multi-stopAmerican Airlines
5h 14mSTL-IAD
6/1Sat
multi-stopAmerican Airlines
5h 03mIAD-STL
$569
5/30Thu
multi-stopAlaska Airlines
10h 41mMCI-IAD
6/1Sat
multi-stopAlaska Airlines
10h 59mIAD-MCI
$2,662

Search by stops

Search by airline

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Flights to Washington Dulles Airport