IAD

$55 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 11/13. 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
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Missouri to Dulles Intl

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Dulles Intl

Sun, Dec 21 - Wed, Dec 24
Frontier Logo
10:57 am - 4:58 pmSTL-IAD
5h 01m1 stop
Frontier Logo
7:01 pm - 9:40 amIAD-STL
15h 39m1 stop
$200Frontier
Find Deal
Sat, Dec 20 - Wed, Dec 24
Frontier Logo
4:27 pm - 9:03 pmSTL-IAD
27h 36m1 stop
Frontier Logo
7:01 pm - 9:40 amIAD-STL
15h 39m1 stop
$201Frontier
Find Deal
Tue, Dec 23 - Mon, Dec 29
Multiple Airlines Logo
10:48 am - 4:37 pmSTL-IAD
4h 49m1 stop
Multiple Airlines Logo
7:06 pm - 10:56 amIAD-STL
16h 50m2 stops
$223Multiple Airlines
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Wed, Nov 19 - Mon, Dec 8
United Airlines Logo
3:02 pm - 9:23 pmCOU-IAD
5h 21m1 stop
United Airlines Logo
1:10 pm - 5:40 pmIAD-COU
5h 30m1 stop
$238United Airlines
Find Deal
Mon, Dec 8 - Sat, Jan 17
Multiple Airlines Logo
12:46 pm - 11:05 pmMCI-IAD
9h 19m1 stop
Multiple Airlines Logo
6:12 pm - 8:09 amIAD-MCI
14h 57m1 stop
$248Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Jan 5
American Airlines Logo
4:28 pm - 11:08 pmSGF-IAD
5h 40m1 stop
American Airlines Logo
6:05 am - 11:37 amIAD-SGF
6h 32m1 stop
$249American Airlines
Find Deal
Wed, Jan 28 - Sat, Jan 31
American Airlines Logo
7:00 am - 4:31 pmSGF-IAD
8h 31m1 stop
American Airlines Logo
7:01 am - 6:04 pmIAD-SGF
12h 03m2 stops
$254American Airlines
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Fri, Nov 14 - Sun, Nov 16
Delta Logo
4:02 pm - 12:16 amSGF-IAD
7h 14m1 stop
Delta Logo
6:00 am - 10:53 amIAD-SGF
5h 53m1 stop
$259Delta
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Wed, Dec 10 - Sat, Jan 17
United Airlines Logo
5:45 pm - 9:16 pmMCI-IAD
2h 31mnonstop
United Airlines Logo
1:05 pm - 3:10 pmIAD-MCI
3h 05mnonstop
$265United Airlines
Find Deal
Fri, Nov 14 - Sun, Nov 16
Delta Logo
4:02 pm - 9:32 pmSGF-IAD
4h 30m1 stop
Delta Logo
7:01 am - 10:53 amIAD-SGF
4h 52m1 stop
$279Delta
Find Deal

Everything you should know

Cheapest round-trip
$200
Overall average: $330
Frontier
Sun 12/21Wed 12/24
STL - IAD • 1 stop
Cheapest non-stop
$261
Typical prices: $266-$520
United Airlines
Thu 1/15Sun 1/18
STL - IAD • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Dulles Intl!
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$55
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly with an average 10% 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.

Traveling to a place near Dulles Intl?

Book flights to Dulles Intl if you plan to visit one of these locations
Winchester
Linthicum Heights
Hanover
Springfield
Gaithersburg
Towson
Martinsburg
Owings Mills
Oxon Hill
Charles Town
Glen Burnie
Ellicott City
Greenbelt
Colonial Beach
Edgewood
Pikesville
Lutherville Timonium
Hunt Valley
Stevensville
Hyattsville

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)

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