IAD

$68 Find Cheap Flights from Missouri to Washington Dulles Airport - Compare and Save

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 11/5. 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

Sat, Oct 31 - Mon, Nov 2
Frontier Logo
10:35 am - 12:28 am
STL
-
IAD
12h 53m
1 stop
Frontier Logo
7:00 am - 5:54 pm
IAD
-
STL
11h 54m
2 stops
$259Frontier
Fri, Oct 30 - Mon, Nov 2
Frontier Logo
10:35 am - 12:28 am
STL
-
IAD
12h 53m
1 stop
Frontier Logo
7:00 am - 7:15 pm
IAD
-
STL
13h 15m
2 stops
$259Frontier
Thu, Sep 3 - Sun, Sep 6
United Airlines Logo
8:00 am - 1:55 pm
STL
-
IAD
4h 55m
1 stop
United Airlines Logo
10:35 am - 2:57 pm
IAD
-
STL
5h 22m
1 stop
$262United Airlines
Sat, Sep 5 - Mon, Sep 7
United Airlines Logo
8:30 am - 1:55 pm
STL
-
IAD
4h 25m
1 stop
United Airlines Logo
8:20 am - 12:02 pm
IAD
-
STL
4h 42m
1 stop
$262United Airlines
Tue, Sep 1 - Sun, Sep 6
Delta Logo
6:00 am - 2:05 pm
STL
-
IAD
7h 05m
1 stop
Delta Logo
11:10 am - 4:38 pm
IAD
-
STL
6h 28m
1 stop
$262Delta
Tue, Sep 8 - Fri, Sep 11
Delta Logo
6:00 am - 2:11 pm
STL
-
IAD
7h 11m
1 stop
Delta Logo
8:08 am - 12:32 pm
IAD
-
STL
5h 24m
1 stop
$262Delta
Fri, Oct 9 - Tue, Oct 13
Multiple Airlines Logo
9:16 am - 8:21 pm
MCI
-
IAD
10h 05m
1 stop
Multiple Airlines Logo
7:00 am - 1:22 pm
IAD
-
MCI
31h 22m
2 stops
$287Multiple Airlines
Fri, Sep 18 - Sat, Sep 19
American Airlines Logo
2:54 pm - 10:51 pm
MCI
-
IAD
6h 57m
1 stop
American Airlines Logo
6:14 pm - 10:59 pm
IAD
-
MCI
5h 45m
1 stop
$289American Airlines
Thu, Nov 19 - Mon, Nov 30
Multiple Airlines Logo
10:35 am - 5:36 pm
STL
-
IAD
6h 01m
1 stop
Multiple Airlines Logo
6:36 pm - 12:41 am
IAD
-
STL
31h 05m
2 stops
$289Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
American Airlines Logo
6:54 am - 12:48 pm
STL
-
IAD
4h 54m
1 stop
American Airlines Logo
6:33 am - 11:56 am
IAD
-
STL
6h 23m
1 stop
$292American Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$68
Best time to beat the crowds with an average 6% drop in price.
Most popular time to fly and prices are also 13% lower on average.
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.

Everything you need to know for your flight to Dulles Intl

Information on your arrival and departure airports

Washington Dulles Airport (IAD)