All airlines flying from Saint Louis (STL) to Luis Munoz Marin, San Juan (SJU).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 09:35 Saint Louis (STL) 2 15:00 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 1589 Non-stop Boeing 737-800 (73H) 4:25 Effective 2026-06-06 through 2026-08-01
Sat 08:05 Saint Louis (STL) 2 14:20 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 2103 Non-stop Boeing 737-800 (73H) 4:15 Effective 2026-02-14 through 2026-02-28
Sat 09:05 Saint Louis (STL) 2 15:20 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 3218 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-01-10 through 2026-02-07
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 Valid until 2026-01-03
Sat 14:35 Saint Louis (STL) 2 21:00 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 4593 Non-stop Boeing 737-800 (73H) 4:25 Operates only on 2026-03-07
Sat 14:35 Saint Louis (STL) 2 20:00 Luis Munoz Marin, San Juan (SJU) B
Southwest Airlines WN 4593 Non-stop Boeing 737-800 (73H) 4:25 Effective 2026-03-14 through 2026-04-04




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All airlines flying from Saint Louis (STL) to Luis Munoz Marin, San Juan (SJU).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1589
09:35
Saint Louis (STL) 2

15:00
Luis Munoz Marin, San Juan (SJU) B
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN2103
08:05
Saint Louis (STL) 2

14:20
Luis Munoz Marin, San Juan (SJU) B
Effective 2026-02-14 through 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3218
09:05
Saint Louis (STL) 2

15:20
Luis Munoz Marin, San Juan (SJU) B
Effective 2026-01-10 through 2026-02-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4429
11:35
Saint Louis (STL) 2

17:55
Luis Munoz Marin, San Juan (SJU) B
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4593
14:35
Saint Louis (STL) 2

21:00
Luis Munoz Marin, San Juan (SJU) B
Operates only on 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4593
14:35
Saint Louis (STL) 2

20:00
Luis Munoz Marin, San Juan (SJU) B
Effective 2026-03-14 through 2026-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737-800 (73H)
  • 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 4:15 and 4:25.
Return (SJU-STL) flights
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