STL

$64 Find Cheap Flights from District of Columbia to St. Louis

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to St. Louis departing on 2/2. 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
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$253
Typical prices: $294-$410
Delta
Tue 2/17Sat 2/21
IAD - STL • 1 stop
Cheapest non-stop
$254
Typical prices: $274-$379
Southwest
Fri 2/27Sat 2/28
DCA - STL • Non-stop
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from District of Columbia to St. Louis

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from District of Columbia to St. Louis 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 District of Columbia to St. Louis

Tue, Feb 17 - Sat, Feb 21
Delta Logo
7:35 pm - 11:36 pm
IAD
-
STL
5h 01m
1 stop
Delta Logo
10:14 am - 4:28 pm
STL
-
IAD
5h 14m
1 stop
$253Delta
Tue, Feb 17 - Wed, Feb 18
Delta Logo
7:30 pm - 11:36 pm
DCA
-
STL
5h 06m
1 stop
Delta Logo
6:30 am - 12:54 pm
STL
-
DCA
5h 24m
1 stop
$253Delta
Fri, Feb 27 - Sat, Feb 28
Southwest Logo
12:30 pm - 2:00 pm
DCA
-
STL
2h 30mnonstop
Southwest Logo
3:55 pm - 6:55 pm
STL
-
DCA
2h 00mnonstop
$254Southwest
Sun, Feb 22 - Sun, Mar 1
Frontier Logo
7:20 pm - 8:02 pm
IAD
-
STL
25h 42m
2 stops
Frontier Logo
3:49 pm - 7:20 am
STL
-
IAD
14h 31m
1 stop
$255Frontier
Wed, Mar 4 - Wed, Mar 18
American Airlines Logo
7:51 pm - 9:37 pm
DCA
-
STL
2h 46mnonstop
American Airlines Logo
6:57 pm - 11:59 pm
STL
-
DCA
4h 02m
1 stop
$255American Airlines
Fri, Feb 20 - Sun, Feb 22
Multiple Airlines Logo
2:58 pm - 12:27 am
IAD
-
STL
10h 29m
2 stops
Multiple Airlines Logo
3:49 pm - 8:09 am
STL
-
IAD
15h 20m
1 stop
$256Multiple Airlines
Sat, Feb 21 - Mon, Feb 23
Southwest Logo
6:55 am - 1:50 pm
DCA
-
STL
7h 55m
1 stop
Southwest Logo
9:40 am - 2:55 pm
STL
-
DCA
4h 15m
1 stop
$257Southwest
Fri, Mar 6 - Sun, Mar 8
Multiple Airlines Logo
2:58 pm - 11:19 pm
IAD
-
STL
9h 21m
2 stops
Multiple Airlines Logo
7:52 am - 7:24 am
STL
-
IAD
22h 32m
1 stop
$257Multiple Airlines
Thu, Feb 5 - Sun, Feb 8
Multiple Airlines Logo
5:37 pm - 6:51 am
IAD
-
STL
14h 14m
1 stop
Multiple Airlines Logo
5:42 pm - 2:18 pm
STL
-
IAD
19h 36m
2 stops
$258Multiple Airlines
Thu, Mar 5 - Sun, Mar 8
Frontier Logo
10:10 am - 7:02 am
IAD
-
STL
21h 52m
1 stop
Frontier Logo
9:05 pm - 1:44 pm
STL
-
IAD
15h 39m
1 stop
$259Frontier
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$64
Best time to beat the crowds but there is an average 14% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Washington Dulles Airport to St. Louis

FAQs for booking flights from District of Columbia to St. Louis

  • How does KAYAK find such low prices on flights from District of Columbia to St. Louis?

    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 District of Columbia to St. Louis.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from District of Columbia to St. Louis?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from District of Columbia 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 District of Columbia to St. Louis?

    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 St. Louis with an airline and back to District of Columbia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from District of Columbia to St. Louis?

    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 St. Louis from District of Columbia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon
Wentzville
Farmington
Eureka
Litchfield
Grafton
Shrewsbury
Glencoe

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

St. Louis (STL)