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Cheap Flights from St. Louis to Washington D.C.
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Cheap Flights from St. Louis to Washington D.C. starting at S$ 72
We've found these cheap flights for you. You can book one-way or return flight tickets.
- One way
- Round-trip
- STL11:389h 21m1 stopDCA21:59Thu, May 2|St. Louis - Washington D.C.|Frontier AirlinesS$ 72S$ 12743% OFF43% OFFS$ 127S$ 72
- STL20:0424h 55m1 stopDCA21:59Wed, May 1|St. Louis - Washington D.C.|Frontier AirlinesS$ 78S$ 12739% OFF39% OFFS$ 127S$ 78
- STL06:202h 1mDirectDCA09:21Sat, Apr 20|St. Louis - Washington D.C.|American AirlinesS$ 92S$ 12728% OFF28% OFFS$ 127S$ 92
- STL06:202h 1mDirectDCA09:21Sat, Apr 27|St. Louis - Washington D.C.|American AirlinesS$ 94S$ 94
- STL06:161h 59mDirectDCA09:15Sat, May 11|St. Louis - Washington D.C.|American AirlinesS$ 106S$ 106
- STL06:202h 1mDirectDCA09:21Tue, Apr 30|St. Louis - Washington D.C.|American AirlinesS$ 106S$ 106
- STL06:202h 1mDirectDCA09:21Sat, May 4|St. Louis - Washington D.C.|American AirlinesS$ 109S$ 109
- STL06:161h 59mDirectDCA09:15Wed, May 8|St. Louis - Washington D.C.|American AirlinesS$ 109S$ 109
- STL16:5018h 10m1 stopDCA12:00Tue, Apr 30|St. Louis - Washington D.C.|Frontier AirlinesS$ 110S$ 110
- STL06:161h 59mDirectDCA09:15Tue, May 14|St. Louis - Washington D.C.|American AirlinesS$ 111S$ 111
- STL13:003h 5mDirectWAS14:00Thu, Apr 25|St. Louis - Washington D.C.|Frontier AirlinesFind More FlightsFind More Flights
Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Cheapest time to fly from St. Louis to Washington D.C.
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Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from St. Louis to Washington D.C.
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Frontier Airlines
From S$ 72
American Airlines
From S$ 92
Delta Air Lines
From S$ 112
United Airlines
From S$ 141
Southwest Airlines
From S$ 162
Sun Country Airlines
From S$ 176
Southern Airways Express, Llc
From S$ 291
Alaska Airlines
From S$ 333
ANA airlines
Find more flights and airlines
Alternative Routes from St. Louis to Washington D.C.
Searching for potential routes that might be cheaper and faster? Check out these alternative flights from St. Louis to Washington D.C..
- CheapestSTL11:389h 21m1 transferDCA21:59St. Louis Lambert International Airport - Ronald Reagan Washington National AirportThu, May 2Frontier AirlinesS$ 72
- STL14:274h 16m1 transferIAD19:43St. Louis Lambert International Airport - Dulles International AirportSat, Apr 27Delta Air LinesS$ 113
- STL14:274h 16m1 transferIAD19:43St. Louis Lambert International Airport - Dulles International AirportSat, Apr 27Delta Air LinesS$ 113Find More Flights
Frequently Asked Questions
How to find a cheap flight from St. Louis to Washington D.C.
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Find cheapest flight ticket from St. Louis to Washington D.C.
Cheapest direct flight price | S$ 72 |
---|---|
Cheapest return ticket price | S$ 164 |
Cheapest month | December |
Peak season for travel | July |
Flight distance | 1,139.76km |
Average flight time | 2 hours 32 minutes |
Popular airline | American Airlines |
Plan Your Trip Around Washington D.C.
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