Find cheap flights from Washington D.C. to St. Louis starting at $50.
Book one-way or return flights from Washington D.C. to St. Louis from as little as $50. 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$50$11856% OFF56% OFF$118$50
- DCA07:009h 50m1 stopSTL15:50Tue, Apr 30|Washington D.C. - St. Louis|Frontier Airlines$59$11850% OFF50% OFF$118$59
- DCA14:192h 24mDirectSTL15:43Wed, May 15|Washington D.C. - St. Louis|American Airlines$71$11839% OFF39% OFF$118$71
- DCA19:452h 15mDirectSTL21:00Tue, May 7|Washington D.C. - St. Louis|American Airlines$78$78
- DCA14:192h 16mDirectSTL15:35Tue, May 14|Washington D.C. - St. Louis|American Airlines$79$79
- DCA19:512h 25mDirectSTL21:16Tue, Apr 30|Washington D.C. - St. Louis|American Airlines$79$79
- DCA06:005h 5m1 stopSTL10:05Wed, May 15|Washington D.C. - St. Louis|Delta Air Lines$80$80
- DCA14:192h 16mDirectSTL15:35Tue, May 21|Washington D.C. - St. Louis|American Airlines$80$80
- DCA14:192h 16mDirectSTL15:35Sun, May 26|Washington D.C. - St. Louis|American Airlines$81$81
- DCA07:442h 24mDirectSTL09:08Wed, May 29|Washington D.C. - St. Louis|American Airlines$81$81
- WAS13:003h 5mDirectSTL14:00Sun, May 5|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$50
- IAD09:404h 28m1 transferSTL13:08Washington Dulles International Airport - St.Louis Lambert International AirportWed, May 15Delta Air Lines$93
- IAD09:404h 28m1 transferSTL13:08Washington Dulles International Airport - St.Louis Lambert International AirportWed, May 15Delta Air Lines$93Find More Flights
Frequently Asked Questions
How to find a cheap flight from Washington D.C. to St. Louis
Cheapest nonstop flight price | $49 |
---|---|
Cheapest round-trip ticket price | $133 |
Off-season for travel | December |
Peak season for travel | October |
Flight distance | 1,139.76km |
Average flight time | 2 hours 32 minutes |
Popular airline | American Airlines |
Plan Your Trip Around St. Louis
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