Airlines with flights from Washington to Saint Louis

There are four airlines with scheduled flights between DCA and STL. Both Southwest and American Airlines operates non-stop flights from Reagan National to Saint Louis Airport and the flight time is 2 hours and 25 minutes.

Choose airline

Schedules

Southwest Airlines

Non-stop with Southwest Airlines

  • Total flight time: 2 hours and 25 minutes
  • Low-cost airline
  • 31 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
    Boeing 737-800 (winglets) Passenger/BBJ2
DCA
Direct
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN4853
08:00
08:00
08:00
08:00
08:00
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08:00
WN296
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08:00
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WN644
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12:00
12:00
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WN4752
12:00
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12:00
12:00
12:40
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WN3968
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12:00
WN1461
14:35
15:00
15:00
14:35
14:35
16:10
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WN2535
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14:40
WN1462
18:40
18:40
18:40
18:40
18:40
18:35
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WN2712
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18:40
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - STL

The timetable & schedule information was updated at 2026-04-21

American Airlines

Non-stop with American Airlines

  • Total flight time: 2 hours and 31 minutes
  • One World Alliance
  • Washington is a American Airlines hub.
  • 18 flights per week
  • Canadair (Bombardier) Regional Jet 900
    Canadair (Bombardier) Regional Jet 700 and Challenger 870
  • First class available
DCA
Direct
STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Chicago with Southwest Airlines

  • Total flight time: 3h 45m - 7h 25m.
  • Low-cost airline
  • 111 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
    Boeing 737-800 (winglets) Passenger/BBJ2
DCA
 
Via MDW
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
WN1442
WN2900
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06:00
06:00
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WN1442
WN2901
07:30
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07:30
07:30
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07:55
WN1444
WN2901
09:25
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09:25
09:25
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WN1431
WN2902
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09:25
WN1444
WN2902
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09:30
09:30
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WN554
WN103
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10:40
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WN1445
WN2903
12:00
12:00
12:00
12:00
12:00
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WN4479
WN1646
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15:10
WN4479
WN2904
15:35
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15:35
15:35
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WN4479
WN2905
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16:30
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WN2904
WN2905
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18:40
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WN2710
WN2905
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18:55
18:55
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WN1447
WN2905
19:05
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19:05
19:05
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SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Nashville with Southwest Airlines

  • Total flight time: 3h 55m - 6h 10m.
  • Low-cost airline
  • 120 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
    Boeing 737-800 (winglets) Passenger/BBJ2
DCA
 
Via BNA
 
STL

The timetable & schedule information was updated at 2026-04-21

American Airlines

Via Charlotte with American Airlines

  • Total flight time: 4h 02m - 6h 36m.
  • One World Alliance
  • Washington is a American Airlines hub.
  • 192 flights per week
  • Canadair (Bombardier) Regional Jet 900
    Canadair (Bombardier) Regional Jet 700 and Challenger 870
DCA
 
Via CLT
 
STL
 
Flight
Mon
Jun 15
Tue
Jun 16
Wed
Jun 17
Thu
Jun 18
Fri
Jun 19
Sat
Jun 20
Sun
Jun 21
AA365
AA5345
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05:00
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AA365
AA2733
05:00
05:00
05:00
05:00
05:00
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05:00
AA1581
AA2717
06:23
06:23
06:23
06:23
06:23
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06:23
AA1518
AA2717
08:32
08:32
08:32
08:32
08:32
08:32
08:32
AA1295
AA2731
11:56
11:56
11:56
11:56
11:56
11:56
11:56
AA5022
AA2731
12:52
12:52
12:52
12:52
12:52
13:00
12:52
AA840
AA2686
15:20
15:20
15:20
15:20
15:20
15:20
15:20
AA2014
AA459
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19:07
19:07
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AA3263
AA459
19:07
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19:07
19:07
19:07
19:07
SHOW RETURN SCHEDULE
CHECK PRICES FOR DCA - STL

The timetable & schedule information was updated at 2026-04-21

Southwest Airlines

Via Milwaukee with Southwest Airlines

  • Total flight time: 4h 05m - 6h 25m.
  • Low-cost airline
  • 11 flights per week
  • Boeing 737MAX 8 Passenger
    Boeing 737-700 Passenger (Scimitar Winglets)
    Boeing 737-800 (winglets) Passenger/BBJ2
DCA
 
Via MKE
 
STL

The timetable & schedule information was updated at 2026-04-21

Staying up-to-date with the airlines

At Airlineinformation.com you can learn all about the airlines operating around the world together with their destinations and where they operate. You will get a transparent overview of airlines with scheduled flights between any two destinations with non-stop or 1-stop flights regardless of price or availability.
Flight data on this page was last updated on 2026-05-25