Latest Flight Deals from Washington D.C. to St. Louis
Book one-way or return flights from Washington D.C. to St. Louis from as little as £40. Choose from the popular airlines below and book your flight today!
- One way
- Round-trip
- DCA07:009h 50m1 stopSTL15:50Tue, May 7|Washington D.C. - St. Louis|Frontier Airlines£40£7748% OFF48% OFF£77£40
- DCA14:192h 24mDirectSTL15:43Wed, May 15|Washington D.C. - St. Louis|American Airlines£57£7726% OFF26% OFF£77£57
- DCA19:452h 15mDirectSTL21:00Tue, May 7|Washington D.C. - St. Louis|American Airlines£62£7719% OFF19% OFF£77£62
- DCA14:192h 16mDirectSTL15:35Tue, May 14|Washington D.C. - St. Louis|American Airlines£63£63
- DCA06:005h 5m1 stopSTL10:05Wed, May 15|Washington D.C. - St. Louis|Delta Air Lines£64£64
- DCA14:192h 16mDirectSTL15:35Tue, May 21|Washington D.C. - St. Louis|American Airlines£64£64
- DCA14:192h 16mDirectSTL15:35Sun, May 26|Washington D.C. - St. Louis|American Airlines£64£64
- DCA07:442h 24mDirectSTL09:08Wed, May 29|Washington D.C. - St. Louis|American Airlines£65£65
- DCA20:002h 28mDirectSTL21:28Mon, Jul 1|Washington D.C. - St. Louis|American Airlines£65£65
- DCA20:002h 28mDirectSTL21:28Wed, Jun 5|Washington D.C. - St. Louis|American Airlines£66£66
- WAS13:003h 5mDirectSTL14:00Wed, May 8|Washington D.C. - St. Louis|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
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Find more flights and airlines
Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Washington D.C. to St. Louis.
- CheapestDCA07:009h 50m1 transferSTL15:50Ronald Reagan Washington National Airport - St. Louis Lambert International AirportTue, May 7Frontier Airlines£40
- IAD09:404h 28m1 transferSTL13:08Dulles International Airport - St. Louis Lambert International AirportWed, May 15Delta Air Lines£74
- IAD09:404h 28m1 transferSTL13:08Dulles International Airport - St. Louis Lambert International AirportWed, May 15Delta Air Lines£74Find More Flights
How do I find the cheapest flights?
How to find a cheap flight from Washington D.C. to St. Louis
Cheapest direct flight price | £39 |
---|---|
Cheapest return ticket price | £107 |
Cheapest month | December |
Peak season for travel | July |
Flight distance | 1,139.76km |
Average flight time | 2 hours 37 minutes |
Popular airline | American Airlines |
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