Find flights
When to book
FAQs & Tips
Direct Flights
Deals

IAD

$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
ter 7/2
ter 7/9

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

In the last 7 days travelers have searched 42,335,261 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

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 7% 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, +65 more

ANA, ASKY, +66 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, +65 more

ANA, ASKY, +66 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

10/22ter
1 stopDelta
4h 16mSTL-IAD
10/22ter
1 stopDelta
7h 05mIAD-STL
$208
8/16sex
nonstopUnited Airlines
2h 10mSTL-IAD
8/18dom
1 stopUnited Airlines
5h 23mIAD-STL
$219
7/2ter
nonstopUnited Airlines
2h 10mSTL-IAD
7/6sáb
1 stopUnited Airlines
5h 23mIAD-STL
$225
6/29sáb
1 stopUnited Airlines
6h 00mSTL-IAD
7/6sáb
1 stopUnited Airlines
5h 23mIAD-STL
$228
8/23sex
1 stopAmerican Airlines
6h 00mSGF-IAD
8/24sáb
1 stopAmerican Airlines
5h 41mIAD-SGF
$233
6/18ter
1 stopSun Country Air
13h 56mSTL-IAD
6/22sáb
1 stopSun Country Air
8h 21mIAD-STL
$250
11/9sáb
1 stopAmerican Airlines
6h 24mSGF-IAD
11/16sáb
2 stopsAmerican Airlines
8h 16mIAD-SGF
$253
7/10qua
2 stops
22h 00mMCI-IAD
7/15seg
1 stop
6h 44mIAD-MCI
$278
6/20qui
2 stops
6h 49mSTL-IAD
6/22sáb
1 stop
8h 21mIAD-STL
$295
6/16dom
1 stopSun Country Air
5h 23mSTL-IAD
6/18ter
1 stopSun Country Air
27h 56mIAD-STL
$305

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/2ter
1 stopDelta
6h 57mSTL-IAD
$94
8/20ter
1 stopAmerican Airlines
5h 45mSGF-IAD
$99
7/2ter
nonstopUnited Airlines
2h 34mMCI-IAD
$111
6/28sex
1 stopUnited Airlines
6h 00mSTL-IAD
$114
6/17seg
1 stopSun Country Air
15h 43mMCI-IAD
$132
7/8seg
1 stopSun Country Air
26h 57mSTL-IAD
$138
6/20qui
2 stops
6h 49mSTL-IAD
$151
6/11ter
3 stops
22h 23mSTL-IAD
$155
8/3sáb
2 stopsAlaska Airlines
14h 19mMCI-IAD
$679
8/4dom
2 stopsAlaska Airlines
14h 19mMCI-IAD
$739

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Dulles Intl

Last minute flight, train and bus deals

6/5qua
nonstopUnited Airlines
2h 10mSTL-IAD
6/19qua
multi-stopUnited Airlines
6h 50mIAD-STL
$487
6/5qua
multi-stopDelta
3h 41mSTL-IAD
6/19qua
multi-stopDelta
4h 10mIAD-STL
$496
6/7sex
multi-stopDelta
3h 48mSTL-IAD
6/11ter
multi-stopDelta
5h 23mIAD-STL
$498
6/5qua
multi-stop
20h 18mSTL-IAD
6/12qua
multi-stop
26h 47mIAD-STL
$522
6/4ter
multi-stopUnited Airlines
4h 16mSTL-IAD
6/8sáb
nonstopUnited Airlines
2h 12mIAD-STL
$545
6/5qua
multi-stopAmerican Airlines
5h 21mSTL-IAD
6/12qua
multi-stopAmerican Airlines
4h 35mIAD-STL
$551
6/4ter
multi-stopDelta
6h 40mSTL-IAD
6/8sáb
multi-stopDelta
4h 05mIAD-STL
$554
6/4ter
multi-stopAmerican Airlines
5h 14mSTL-IAD
6/14sex
multi-stopAmerican Airlines
4h 33mIAD-STL
$561
6/4ter
multi-stop
25h 00mMCI-IAD
6/6qui
multi-stop
16h 20mIAD-MCI
$652
6/4ter
multi-stopAlaska Airlines
20h 09mMCI-IAD
6/6qui
multi-stopAlaska Airlines
31h 47mIAD-MCI
$1,400

Search by stops

Search by airline

Search by price

Flights to Washington Dulles Airport