Southwest Airlines flights from Saint Louis (STL) to Luis Munoz Marin, San Juan (SJU).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 10:50 Saint Louis (STL) 2 16:15 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 1053 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2025-06-07 through 2025-08-02
Sat 08:25 Saint Louis (STL) 2 14:45 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 1688 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-11-08 through 2025-11-15
Sat 08:25 Saint Louis (STL) 2 14:45 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 1688 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-12-06 through 2025-12-13
Sat 13:25 Saint Louis (STL) 2 18:50 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 2103 Non-stop Boeing 737-700 (73W) 4:25 Valid until 2025-05-31
Sat 11:35 Saint Louis (STL) 2 17:55 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 4429 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-11-22 through 2025-11-29
Sat 11:35 Saint Louis (STL) 2 17:55 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 4429 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2025-12-20 through 2026-01-03
Non-Direct Flights:
Sun 17:50 Saint Louis (STL) 2 00:50 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 3155 1-stop Boeing 737-800 (73H) 6:00 Effective 2025-10-05 through 2025-10-26
The flight arrives 1 day after departure.




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Southwest Airlines flights from Saint Louis (STL) to Luis Munoz Marin, San Juan (SJU).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1053
10:50
Saint Louis (STL) 2

16:15
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-06-07 through 2025-08-02
Mon
-
Tue
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Wed
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Thu
-
Fri
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Sat
Sun
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Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1688
08:25
Saint Louis (STL) 2

14:45
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-11-08 through 2025-11-15
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN1688
08:25
Saint Louis (STL) 2

14:45
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-12-06 through 2025-12-13
Mon
-
Tue
-
Wed
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Thu
-
Fri
-
Sat
Sun
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Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN2103
13:25
Saint Louis (STL) 2

18:50
Luis Munoz Marin, San Juan (SJU) B
Valid until 2025-05-31
Mon
-
Tue
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Wed
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Thu
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Fri
-
Sat
Sun
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Duration: 4:25, non-stop
Boeing 737-700 (73W)
Southwest Airlines WN4429
11:35
Saint Louis (STL) 2

17:55
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-11-22 through 2025-11-29
Mon
-
Tue
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Wed
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Thu
-
Fri
-
Sat
Sun
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Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Southwest Airlines WN4429
11:35
Saint Louis (STL) 2

17:55
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-12-20 through 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN3155
17:50
Saint Louis (STL) 2

00:50(+1)
Luis Munoz Marin, San Juan (SJU) B
Effective 2025-10-05 through 2025-10-26
Mon
-
Tue
-
Wed
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Thu
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Fri
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Sat
-
Sun
Duration: 6:00, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
  • An international route departing from Saint Louis airport, United States (STL) and arriving at Luis Munoz Marin, San Juan airport, Puerto Rico (SJU).
  • The flight distance is 2024 miles, or 3258 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-4 . 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 4:20 and 4:25.
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