All airlines flying from Portland (PDX) to Saint Louis (STL).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 09:45 Portland (PDX) 15:30 Saint Louis (STL) 2
Southwest Airlines WN 400 Non-stop Boeing 737 MAX 8 (7M8) 3:45 Effective 2026-08-08 through 2026-09-26
Daily 11:25 Portland (PDX) 17:13 Saint Louis (STL) 1
Alaska Airlines AS 1453 Non-stop Boeing 737 (73J) 3:48 Effective 2026-05-13 through 2026-10-02
Sat 08:20 Portland (PDX) 14:00 Saint Louis (STL) 2
Southwest Airlines WN 2031 Non-stop Boeing 737-700 (Scimitar Winglets) 3:40 Effective 2026-06-06 through 2026-08-01
Sun 10:00 Portland (PDX) 15:40 Saint Louis (STL) 2
Southwest Airlines WN 2124 Non-stop Boeing 737-800 (73H) 3:40 Effective 2026-06-07 through 2026-08-02
Sun 12:25 Portland (PDX) 18:10 Saint Louis (STL) 2
Southwest Airlines WN 3199 Non-stop Boeing 737-700 (Scimitar Winglets) 3:45 Effective 2026-08-09 through 2026-09-27




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All airlines flying from Portland (PDX) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN400
09:45
Portland (PDX)

15:30
Saint Louis (STL) 2
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:45, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Alaska Airlines AS1453
11:25
Portland (PDX)

17:13
Saint Louis (STL) 1
Effective 2026-05-13 through 2026-10-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 3:48, non-stop
Boeing 737 (73J)
Direct Flights:
Southwest Airlines WN2031
08:20
Portland (PDX)

14:00
Saint Louis (STL) 2
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 3:40, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN2124
10:00
Portland (PDX)

15:40
Saint Louis (STL) 2
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:40, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN3199
12:25
Portland (PDX)

18:10
Saint Louis (STL) 2
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 3:45, non-stop
Boeing 737-700 (Scimitar Winglets)
  • A domestic route departing from the Portland airport (PDX) and arriving at Saint Louis airport (STL).
  • The flight distance is 1703 miles, or 2740 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 3:48.
Return (STL-PDX) flights
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