STL

$119 Find Cheap Flights from District of Columbia to St. Louis - 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 St. Louis departing on 7/15. 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 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

Thu, Jul 16 - Fri, Jul 17
Frontier Logo
7:49 am - 5:37 pm
IAD
-
STL
10h 48m
1 stop
Frontier Logo
4:57 pm - 7:38 pm
STL
-
IAD
25h 41m
2 stops
$268Frontier
Thu, Aug 20 - Sat, Aug 22
Frontier Logo
7:00 am - 7:23 pm
DCA
-
STL
13h 23m
1 stop
Frontier Logo
8:08 pm - 12:57 pm
STL
-
DCA
15h 49m
1 stop
$268Frontier
Tue, Jun 30 - Fri, Jul 3
American Airlines Logo
6:23 am - 11:59 am
DCA
-
STL
6h 36m
1 stop
American Airlines Logo
5:38 am - 8:45 am
STL
-
DCA
2h 07mnonstop
$269American Airlines
Wed, Aug 19 - Thu, Aug 20
Frontier Logo
7:30 am - 7:23 pm
IAD
-
STL
12h 53m
2 stops
Frontier Logo
8:21 pm - 7:50 am
STL
-
IAD
10h 29m
1 stop
$269Frontier
Thu, Aug 6 - Mon, Aug 10
Southwest Logo
6:55 am - 11:50 am
DCA
-
STL
5h 55m
1 stop
Southwest Logo
8:10 am - 11:10 am
STL
-
DCA
2h 00mnonstop
$270Southwest
Thu, Aug 6 - Mon, Aug 10
American Airlines Logo
7:57 am - 1:02 pm
IAD
-
STL
6h 05m
1 stop
American Airlines Logo
3:25 pm - 10:55 pm
STL
-
IAD
6h 30m
1 stop
$271American Airlines
Thu, Aug 6 - Mon, Aug 10
Delta Logo
6:20 am - 11:47 am
DCA
-
STL
6h 27m
1 stop
Delta Logo
9:25 am - 4:19 pm
STL
-
DCA
5h 54m
1 stop
$271Delta
Tue, Jul 21 - Wed, Jul 22
Southwest Logo
11:45 am - 2:50 pm
DCA
-
STL
4h 05m
1 stop
Southwest Logo
5:40 am - 11:15 am
STL
-
DCA
4h 35m
1 stop
$272Southwest
Tue, Jun 30 - Fri, Jul 3
Delta Logo
6:05 am - 9:32 am
IAD
-
STL
4h 27m
1 stop
Delta Logo
6:10 pm - 11:14 pm
STL
-
IAD
4h 04m
1 stop
$277Delta
Sat, Dec 5 - Mon, Dec 7
United Airlines Logo
8:20 am - 9:48 am
IAD
-
STL
2h 28mnonstop
United Airlines Logo
6:45 pm - 12:14 am
STL
-
IAD
4h 29m
1 stop
$279United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$119
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Reagan Washington National 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