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Southwest Airlines flights from St Louis to Washington

Southwest Airlines flies St Louis to Washington nonstop 17 times a week, departures from 05:20 to 08:40, 1h 55m in the air.

Flights from St Louis to Washington

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Southwest Airlines on St Louis to Washington at a glance

flights a week
17
days of operation
Daily
first and last departure
05:20 - 08:40
flight time
1h 55m - 3h 40m
aircraft
Boeing 737, Boeing 737-800
departure terminal
2
cheapest fare on the route
$173

Southwest Airlines St Louis to Washington schedule

17 flights a week. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
WN 4124
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
08:15 Baltimore/Wash International Thurgood Marshall
1h 55m
Sat
Boeing 737-800
WN 4124
Southwest Airlines
06:25 Lambert-St. Louis International, terminal 2
09:20 Baltimore/Wash International Thurgood Marshall
1h 55m
Sat
Boeing 737
WN 4124
Southwest Airlines
06:35 Lambert-St. Louis International, terminal 2
09:30 Baltimore/Wash International Thurgood Marshall
1h 55m
Mon, Tue, Wed, Thu
Boeing 737
WN 4124
Southwest Airlines
06:40 Lambert-St. Louis International, terminal 2
09:35 Baltimore/Wash International Thurgood Marshall
1h 55m
Mon, Thu, Fri, Sun
WN 4137
Southwest Airlines
08:10 Lambert-St. Louis International, terminal 2
11:05 Ronald Reagan National, terminal 1
1h 55m
Sat
WN 738
Southwest Airlines
08:20 Lambert-St. Louis International, terminal 2
11:15 Ronald Reagan National, terminal 1
1h 55m
Mon, Thu, Fri, Sun
WN 1614
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
11:35 Ronald Reagan National, terminal 1
1h 55m
Mon, Tue, Wed, Thu, Sat
Boeing 737

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 24 November.

FlightDepartsArrivesDurationDaysAircraft
WN 4124
Southwest Airlines
05:35 Lambert-St. Louis International, terminal 2
08:35 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
Boeing 737
WN 4136
Southwest Airlines
08:10 Lambert-St. Louis International, terminal 2
11:05 Ronald Reagan National, terminal 1
1h 55m
Seasonal
Boeing 737
WN 1247
Southwest Airlines
10:10 Lambert-St. Louis International, terminal 2
14:30 Baltimore/Wash International Thurgood Marshall
3h 20m
Seasonal
WN 4136
Southwest Airlines
08:15 Lambert-St. Louis International, terminal 2
11:10 Ronald Reagan National, terminal 1
1h 55m
Seasonal
Boeing 737
WN 4124
Southwest Airlines
05:00 Lambert-St. Louis International, terminal 2
07:55 Baltimore/Wash International Thurgood Marshall
1h 55m
Seasonal
Boeing 737
WN 4136
Southwest Airlines
09:00 Lambert-St. Louis International, terminal 2
11:55 Ronald Reagan National, terminal 1
1h 55m
Seasonal
Boeing 737-800
WN 852
Southwest Airlines
09:55 Lambert-St. Louis International, terminal 2
14:10 Baltimore/Wash International Thurgood Marshall
3h 15m
Seasonal
WN 4119
Southwest Airlines
06:30 Lambert-St. Louis International, terminal 2
09:30 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
Boeing 737-800
WN 4437
Southwest Airlines
09:00 Lambert-St. Louis International, terminal 2
11:55 Ronald Reagan National, terminal 1
1h 55m
Seasonal
WN 4437
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
11:35 Ronald Reagan National, terminal 1
1h 55m
Seasonal
WN 4119
Southwest Airlines
05:00 Lambert-St. Louis International, terminal 2
08:00 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
WN 4437
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
11:20 Ronald Reagan National, terminal 1
1h 55m
Seasonal
WN 4119
Southwest Airlines
05:05 Lambert-St. Louis International, terminal 2
08:05 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
Boeing 737
WN 4437
Southwest Airlines
08:05 Lambert-St. Louis International, terminal 2
11:00 Ronald Reagan National, terminal 1
1h 55m
Seasonal
WN 4095
Southwest Airlines
05:05 Lambert-St. Louis International, terminal 2
08:00 Baltimore/Wash International Thurgood Marshall
1h 55m
Seasonal
WN 4106
Southwest Airlines
08:30 Lambert-St. Louis International, terminal 2
11:25 Ronald Reagan National, terminal 1
1h 55m
Seasonal
Boeing 737
WN 1254
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
10:00 Baltimore/Wash International Thurgood Marshall
3h 40m
Seasonal
Boeing 737
WN 1065
Southwest Airlines
05:50 Lambert-St. Louis International, terminal 2
08:45 Baltimore/Wash International Thurgood Marshall
1h 55m
Seasonal
Boeing 737-800
WN 3121
Southwest Airlines
08:35 Lambert-St. Louis International, terminal 2
11:30 Ronald Reagan National, terminal 1
1h 55m
Seasonal
WN 4095
Southwest Airlines
05:40 Lambert-St. Louis International, terminal 2
08:35 Baltimore/Wash International Thurgood Marshall
1h 55m
Seasonal
Boeing 737
WN 4106
Southwest Airlines
08:10 Lambert-St. Louis International, terminal 2
11:05 Ronald Reagan National, terminal 1
1h 55m
Seasonal
Boeing 737
WN 4095
Southwest Airlines
06:45 Lambert-St. Louis International, terminal 2
09:40 Baltimore/Wash International Thurgood Marshall
1h 55m
Seasonal
Boeing 737
WN 4025
Southwest Airlines
07:00 Lambert-St. Louis International, terminal 2
10:00 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
Boeing 737
WN 4038
Southwest Airlines
08:25 Lambert-St. Louis International, terminal 2
11:25 Ronald Reagan National, terminal 1
2h
Seasonal
WN 4025
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
08:25 Baltimore/Wash International Thurgood Marshall
2h 5m
Seasonal
WN 4038
Southwest Airlines
08:50 Lambert-St. Louis International, terminal 2
11:50 Ronald Reagan National, terminal 1
2h
Seasonal
Boeing 737
WN 993
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
08:25 Baltimore/Wash International Thurgood Marshall
2h 5m
Seasonal
WN 1190
Southwest Airlines
08:15 Lambert-St. Louis International, terminal 2
11:15 Ronald Reagan National, terminal 1
2h
Seasonal
WN 4025
Southwest Airlines
05:05 Lambert-St. Louis International, terminal 2
08:10 Baltimore/Wash International Thurgood Marshall
2h 5m
Seasonal
WN 4038
Southwest Airlines
08:00 Lambert-St. Louis International, terminal 2
11:00 Ronald Reagan National, terminal 1
2h
Seasonal
Boeing 737
WN 3882
Southwest Airlines
05:25 Lambert-St. Louis International, terminal 2
08:30 Baltimore/Wash International Thurgood Marshall
2h 5m
Seasonal
WN 4966
Southwest Airlines
07:30 Lambert-St. Louis International, terminal 2
10:30 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
Boeing 737
WN 805
Southwest Airlines
08:40 Lambert-St. Louis International, terminal 2
11:35 Ronald Reagan National, terminal 1
1h 55m
Seasonal
Boeing 737
WN 2730
Southwest Airlines
08:00 Lambert-St. Louis International, terminal 2
11:00 Ronald Reagan National, terminal 1
2h
Seasonal
Boeing 737
WN 3882
Southwest Airlines
05:20 Lambert-St. Louis International, terminal 2
08:25 Baltimore/Wash International Thurgood Marshall
2h 5m
Seasonal
WN 5388
Southwest Airlines
08:00 Lambert-St. Louis International, terminal 2
11:00 Ronald Reagan National, terminal 1
2h
Seasonal
WN 3882
Southwest Airlines
06:20 Lambert-St. Louis International, terminal 2
09:20 Baltimore/Wash International Thurgood Marshall
2h
Seasonal
Boeing 737
WN 805
Southwest Airlines
08:10 Lambert-St. Louis International, terminal 2
11:10 Ronald Reagan National, terminal 1
2h
Seasonal
Boeing 737

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Washington is 1 hour ahead of St Louis.

Other airlines flying St Louis to Washington

Nonstop flights by the current schedule

American Airlines United Airlines All flights St Louis to Washington

Frequently asked questions

How many Southwest Airlines flights are there from St Louis to Washington?
17 nonstop flights a week, 23 flight numbers in the schedule: Daily.
How long is the Southwest Airlines flight from St Louis to Washington?
From 1 hour 55 minutes to 3 hours 40 minutes nonstop, depending on the flight.
Which aircraft does Southwest Airlines fly from St Louis to Washington?
Boeing 737 and Boeing 737-800.
Which terminals does Southwest Airlines use between St Louis and Washington?
Southwest Airlines departs from Lambert-St. Louis International, terminal 2 and arrives at Baltimore/Wash International Thurgood Marshall and Ronald Reagan National, terminal 1.