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
Mon 7/1
Mon 7/8

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

In the last 7 days travelers have searched 42,787,818 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 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, +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

8/24Sat
nonstopUnited Airlines
2h 08mSTL-IAD
8/28Wed
nonstopUnited Airlines
2h 21mIAD-STL
$189
8/24Sat
1 stopUnited Airlines
5h 55mSTL-IAD
8/28Wed
nonstopUnited Airlines
2h 21mIAD-STL
$194
7/2Tue
1 stopDelta
5h 01mSTL-IAD
7/10Wed
1 stopDelta
4h 02mIAD-STL
$198
7/1Mon
1 stopDelta
4h 46mSTL-IAD
7/5Fri
1 stopDelta
4h 05mIAD-STL
$208
8/23Fri
1 stopAmerican Airlines
6h 00mSGF-IAD
8/24Sat
1 stopAmerican Airlines
5h 41mIAD-SGF
$233
11/9Sat
1 stopAmerican Airlines
4h 14mSGF-IAD
11/16Sat
1 stopAmerican Airlines
6h 27mIAD-SGF
$245
7/10Wed
2 stops
22h 00mMCI-IAD
7/15Mon
1 stop
6h 44mIAD-MCI
$278
7/10Wed
2 stops
22h 00mMCI-IAD
7/14Sun
2 stops
25h 49mIAD-MCI
$293
6/16Sun
1 stopSun Country Air
5h 23mSTL-IAD
6/18Tue
1 stopSun Country Air
27h 56mIAD-STL
$305
7/5Fri
1 stopSun Country Air
25h 00mSTL-IAD
7/7Sun
1 stopSun Country Air
10h 52mIAD-STL
$315

Search by stops

Search by airline

Search by price

Recent one-way flight deals

7/2Tue
1 stopDelta
5h 01mSTL-IAD
$94
8/6Tue
nonstopUnited Airlines
2h 10mSTL-IAD
$95
6/30Sun
1 stopSun Country Air
14h 59mSTL-IAD
$123
6/11Tue
3 stops
22h 23mSTL-IAD
$125
6/30Sun
1 stopSun Country Air
14h 59mSTL-IAD
$127
7/31Wed
1 stopAmerican Airlines
4h 33mMCI-IAD
$143
6/26Wed
2 stops
21h 06mMCI-IAD
$146
6/22Sat
1 stopAmerican Airlines
4h 31mMCI-IAD
$159
10/17Thu
2 stopsQatar Airways
41h 40mSTL-IAD
$1,696
7/9Tue
2 stopsQatar Airways
44h 19mSTL-IAD
$1,941

Search by stops

Search by airline

Search by price

Last minute flights from Missouri to Dulles Intl

Last minute flight, train and bus deals

6/6Thu
multi-stopDelta
4h 34mSGF-IAD
6/9Sun
multi-stopDelta
4h 44mIAD-SGF
$433
6/4Tue
multi-stopAmerican Airlines
5h 38mSGF-IAD
6/7Fri
multi-stopAmerican Airlines
5h 20mIAD-SGF
$440
6/6Thu
multi-stop
7h 04mSTL-IAD
6/10Mon
multi-stop
25h 40mIAD-STL
$447
6/6Thu
multi-stopDelta
7h 09mSTL-IAD
6/10Mon
multi-stopDelta
5h 23mIAD-STL
$498
6/5Wed
multi-stop
20h 18mSTL-IAD
6/12Wed
multi-stop
26h 47mIAD-STL
$522
6/4Tue
multi-stopAmerican Airlines
10h 37mSGF-IAD
6/7Fri
multi-stopAmerican Airlines
5h 20mIAD-SGF
$522
6/4Tue
multi-stopUnited Airlines
6h 16mSTL-IAD
6/5Wed
nonstopUnited Airlines
2h 12mIAD-STL
$545
6/4Tue
multi-stopUnited Airlines
6h 16mSTL-IAD
6/5Wed
multi-stopUnited Airlines
5h 43mIAD-STL
$550
6/4Tue
multi-stopAmerican Airlines
4h 42mSTL-IAD
6/5Wed
multi-stopAmerican Airlines
4h 33mIAD-STL
$551
6/4Tue
multi-stopAlaska Airlines
20h 09mMCI-IAD
6/6Thu
multi-stopAlaska Airlines
31h 47mIAD-MCI
$1,400

Search by stops

Search by airline

Search by price

Flights to Washington Dulles Airport