$57 Find Cheap Flights from Missouri to Washington, D.C.

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Washington, D.C. departing on 1/27. 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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Everything you should know

Cheapest round-trip
$134
Overall average: $370
Frontier
Fri 1/23Fri 1/30
STL - BWI • 1 stop
Cheapest non-stop
$227
Typical prices: $296-$433
Southwest
Thu 12/25Wed 12/31
STL - DCA • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Missouri to Washington, D.C.

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Washington, D.C. 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 Washington, D.C.

Fri, Jan 23 - Fri, Jan 30
Frontier Logo
5:42 pm - 10:41 pm
STL
-
BWI
27h 59m1 stop
Frontier Logo
4:01 pm - 11:33 pm
BWI
-
STL
8h 32m1 stop
$134Frontier
Wed, Jan 21 - Fri, Jan 23
Multiple Airlines Logo
8:22 pm - 10:26 am
STL
-
BWI
13h 04m1 stop
Multiple Airlines Logo
4:44 pm - 11:33 pm
BWI
-
STL
7h 49m1 stop
$137Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Frontier Logo
3:43 pm - 12:29 am
STL
-
BWI
7h 46m1 stop
Frontier Logo
1:02 pm - 6:51 am
BWI
-
STL
42h 49m2 stops
$145Frontier
Tue, Jan 6 - Tue, Jan 13
Multiple Airlines Logo
5:11 pm - 9:56 pm
STL
-
BWI
27h 45m1 stop
Multiple Airlines Logo
1:00 pm - 6:51 am
BWI
-
STL
18h 51m2 stops
$160Multiple Airlines
Tue, Jan 6 - Wed, Jan 7
Spirit Airlines Logo
6:15 pm - 9:35 am
MCI
-
BWI
14h 20m1 stop
Spirit Airlines Logo
6:18 pm - 10:31 am
BWI
-
MCI
17h 13m1 stop
$161Spirit Airlines
Tue, Jan 6 - Wed, Jan 7
Spirit Airlines Logo
6:15 pm - 9:35 am
MCI
-
BWI
14h 20m1 stop
Spirit Airlines Logo
9:09 pm - 10:31 am
BWI
-
MCI
14h 22m2 stops
$188Spirit Airlines
Thu, Jan 15 - Sun, Jan 18
Delta Logo
12:01 pm - 7:32 pm
SGF
-
DCA
6h 31m1 stop
Delta Logo
8:00 am - 12:11 pm
DCA
-
SGF
5h 11m1 stop
$209Delta
Thu, Jan 15 - Sun, Jan 18
Delta Logo
12:01 pm - 5:17 pm
SGF
-
IAD
4h 16m1 stop
Delta Logo
6:20 am - 12:11 pm
IAD
-
SGF
6h 51m1 stop
$209Delta
Thu, Dec 25 - Wed, Dec 31
Southwest Logo
1:10 pm - 4:10 pm
STL
-
DCA
2h 00mnonstop
Southwest Logo
8:15 am - 9:35 am
DCA
-
STL
2h 20mnonstop
$227Southwest
Wed, Jan 7 - Wed, Jan 14
Southwest Logo
6:00 pm - 9:00 pm
STL
-
DCA
2h 00mnonstop
Southwest Logo
6:45 pm - 8:15 pm
DCA
-
STL
2h 30mnonstop
$235Southwest
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$57
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 23% increase in price.
Flight from St. Louis to Baltimore

FAQs for booking flights from Missouri to Washington, D.C.

  • How does KAYAK find such low prices on flights from Missouri to Washington, D.C.?

    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, D.C..

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Washington, D.C.?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. 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, D.C.?

    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, D.C. 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, D.C.?

    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, D.C. 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Linthicum Heights
Hanover
Springfield
Gaithersburg
Towson
Oxon Hill
Owings Mills
Glen Burnie
Greenbelt
Ellicott City
Edgewood
Colonial Beach
Pikesville
Hunt Valley
Lutherville Timonium
Camp Springs
Stevensville
Hyattsville
Westminster
Capitol Heights

Everything you need to know for your flight to Washington, D.C.

Cabin class types available on flights to Missouri

Cabin classes available on flights to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Washington, D.C.from $613
Business Class flights to Washington, D.C.from $553
Prem Econ Class flights to Washington, D.C.from $797
Economy Class flights to Washington, D.C.from $235