Southwest Airlines flights from Seattle-Tacoma (SEA) to Saint Louis (STL).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 09:40 Seattle-Tacoma (SEA) 15:30 Saint Louis (STL) 2
Southwest Airlines WN 647 Non-stop Boeing 737-800 (73H) 3:50 Effective 2024-06-08 through 2024-08-03
Tue,Wed 09:50 Seattle-Tacoma (SEA) 15:30 Saint Louis (STL) 2
Southwest Airlines WN 647 Non-stop Boeing 737-700 (73W) 3:40 Effective 2024-06-04 through 2024-07-31
Sun 11:35 Seattle-Tacoma (SEA) 17:30 Saint Louis (STL) 2
Southwest Airlines WN 736 Non-stop Boeing 737-700 (73W) 3:55 Operates only on 2024-09-01
Sat 07:25 Seattle-Tacoma (SEA) 13:15 Saint Louis (STL) 2
Southwest Airlines WN 1742 Non-stop Boeing 737-800 (73H) 3:50 Effective 2024-08-10 through 2024-09-28
Mon,Thu,Fri 11:40 Seattle-Tacoma (SEA) 17:40 Saint Louis (STL) 2
Southwest Airlines WN 1742 Non-stop Boeing 737-700 (73W) 4:00 Effective 2024-08-05 through 2024-09-30
Mon,Thu,Fri 12:00 Seattle-Tacoma (SEA) 17:50 Saint Louis (STL) 2
Southwest Airlines WN 2077 Non-stop Boeing 737-700 (73W) 3:50 Effective 2024-06-06 through 2024-07-01
Mon,Thu,Fri 12:00 Seattle-Tacoma (SEA) 17:50 Saint Louis (STL) 2
Southwest Airlines WN 2077 Non-stop Boeing 737-700 (73W) 3:50 Effective 2024-07-08 through 2024-08-02
Thu 12:45 Seattle-Tacoma (SEA) 18:30 Saint Louis (STL) 2
Southwest Airlines WN 2726 Non-stop Boeing 737-700 (73W) 3:45 Operates only on 2024-07-04
Sun 09:55 Seattle-Tacoma (SEA) 15:45 Saint Louis (STL) 2
Southwest Airlines WN 3221 Non-stop Boeing 737-700 (73W) 3:50 Effective 2024-06-09 through 2024-08-04
Fri 12:20 Seattle-Tacoma (SEA) 18:05 Saint Louis (STL) 2
Southwest Airlines WN 3484 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Operates only on 2024-07-05
Sun 09:00 Seattle-Tacoma (SEA) 14:50 Saint Louis (STL) 2
Southwest Airlines WN 4617 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2024-08-11 through 2024-08-25
Sun 09:00 Seattle-Tacoma (SEA) 14:50 Saint Louis (STL) 2
Southwest Airlines WN 4617 Non-stop Boeing 737 MAX 8 (7M8) 3:50 Effective 2024-09-08 through 2024-09-29
Non-Direct Flights:
Mon,Thu,Fri 13:15 Seattle-Tacoma (SEA) 00:05 Saint Louis (STL) 2
Southwest Airlines WN 2579 2-stop Boeing 737-700 (73W) 8:50 Effective 2024-06-06 through 2024-07-01
The flight arrives 1 day after departure.
Mon,Thu,Fri 13:15 Seattle-Tacoma (SEA) 00:05 Saint Louis (STL) 2
Southwest Airlines WN 2579 2-stop Boeing 737-700 (73W) 8:50 Effective 2024-07-08 through 2024-08-02
The flight arrives 1 day after departure.




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Southwest Airlines flights from Seattle-Tacoma (SEA) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN647
09:40
Seattle-Tacoma (SEA)

15:30
Saint Louis (STL) 2
Effective 2024-06-08 through 2024-08-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN647
09:50
Seattle-Tacoma (SEA)

15:30
Saint Louis (STL) 2
Effective 2024-06-04 through 2024-07-31
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 3:40, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN736
11:35
Seattle-Tacoma (SEA)

17:30
Saint Louis (STL) 2
Operates only on 2024-09-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:55, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN1742
07:25
Seattle-Tacoma (SEA)

13:15
Saint Louis (STL) 2
Effective 2024-08-10 through 2024-09-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:50, non-stop
Boeing 737-800 (73H)
Southwest Airlines WN1742
11:40
Seattle-Tacoma (SEA)

17:40
Saint Louis (STL) 2
Effective 2024-08-05 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:00, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2077
12:00
Seattle-Tacoma (SEA)

17:50
Saint Louis (STL) 2
Effective 2024-06-06 through 2024-07-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2077
12:00
Seattle-Tacoma (SEA)

17:50
Saint Louis (STL) 2
Effective 2024-07-08 through 2024-08-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 3:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN2726
12:45
Seattle-Tacoma (SEA)

18:30
Saint Louis (STL) 2
Operates only on 2024-07-04
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3221
09:55
Seattle-Tacoma (SEA)

15:45
Saint Louis (STL) 2
Effective 2024-06-09 through 2024-08-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN3484
12:20
Seattle-Tacoma (SEA)

18:05
Saint Louis (STL) 2
Operates only on 2024-07-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4617
09:00
Seattle-Tacoma (SEA)

14:50
Saint Louis (STL) 2
Effective 2024-08-11 through 2024-08-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4617
09:00
Seattle-Tacoma (SEA)

14:50
Saint Louis (STL) 2
Effective 2024-09-08 through 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:50, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN2579
13:15
Seattle-Tacoma (SEA)

00:05(+1)
Saint Louis (STL) 2
Effective 2024-06-06 through 2024-07-01
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 8:50, 2-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
Southwest Airlines WN2579
13:15
Seattle-Tacoma (SEA)

00:05(+1)
Saint Louis (STL) 2
Effective 2024-07-08 through 2024-08-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 8:50, 2-stop
Boeing 737-700 (73W)
The flight arrives 1 day after departure.
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Saint Louis airport (STL).
  • The flight distance is 1704 miles, or 2743 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 3:40 and 4:00.
All SEA-STL flights
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