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

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FLIGHT SCHEDULE
Direct Flights:
Sat 11:00 Portland (PDX) 16:45 Saint Louis (STL) 2 Southwest Airlines WN 2035 Non-stop Boeing 737-700 (73W) 3:45 Effective 2025-08-09 through 2025-09-27
Sun 11:55 Portland (PDX) 17:40 Saint Louis (STL) 2 Southwest Airlines WN 2035 Non-stop Boeing 737-700 (73W) 3:45 Operates only on 2025-08-31
Sun 12:05 Portland (PDX) 17:50 Saint Louis (STL) 2 Southwest Airlines WN 2035 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-08-10 through 2025-08-24
Sun 12:05 Portland (PDX) 17:50 Saint Louis (STL) 2 Southwest Airlines WN 2035 Non-stop Boeing 737-800 (73H) 3:45 Effective 2025-09-07 through 2025-09-28
Sat 08:55 Portland (PDX) 14:35 Saint Louis (STL) 2 Southwest Airlines WN 4702 Non-stop Boeing 737-700 (73W) 3:40 Effective 2025-06-07 through 2025-08-02
Sun 13:35 Portland (PDX) 19:15 Saint Louis (STL) 2 Southwest Airlines WN 4702 Non-stop Boeing 737-800 (73H) 3:40 Effective 2025-06-08 through 2025-08-03
Non-Direct Flights:
Sat 06:00 Portland (PDX) 17:07 Saint Louis (STL) 1 United Airlines UA 1164 1-stop Airbus A319 (319) 9:07 Effective 2025-05-03 through 2025-05-17
Sun 12:05 Portland (PDX) 20:05 Saint Louis (STL) 2 Southwest Airlines WN 3395 1-stop Boeing 737-800 (73H) 6:00 Operates only on 2025-11-30
Mon,Thu,Fri 10:20 Portland (PDX) 19:20 Saint Louis (STL) 2 Southwest Airlines WN 1654 2-stop Boeing 737-700 (Scimitar Winglets) 7:00 Effective 2025-10-02 through 2025-10-31

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Parallax here PDX-STL

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 3:45.

Return (STL-PDX) flights

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

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN2035

11:00

Portland (PDX)

16:45

Saint Louis (STL) 2

Effective 2025-08-09 through 2025-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2035

11:55

Portland (PDX)

17:40

Saint Louis (STL) 2

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2035

12:05

Portland (PDX)

17:50

Saint Louis (STL) 2

Effective 2025-08-10 through 2025-08-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2035

12:05

Portland (PDX)

17:50

Saint Louis (STL) 2

Effective 2025-09-07 through 2025-09-28

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4702

08:55

Portland (PDX)

14:35

Saint Louis (STL) 2

Effective 2025-06-07 through 2025-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 3:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4702

13:35

Portland (PDX)

19:15

Saint Louis (STL) 2

Effective 2025-06-08 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:40, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

United Airlines UA1164

06:00

Portland (PDX)

17:07

Saint Louis (STL) 1

Effective 2025-05-03 through 2025-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 9:07, 1-stop
Airbus A319 (319)

Southwest Airlines WN3395

12:05

Portland (PDX)

20:05

Saint Louis (STL) 2

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 6:00, 1-stop
Boeing 737-800 (73H)

Southwest Airlines WN1654

10:20

Portland (PDX)

19:20

Saint Louis (STL) 2

Effective 2025-10-02 through 2025-10-31

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 7:00, 2-stop
Boeing 737-700 (Scimitar Winglets)

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Parallax here PDX-STL

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 3:45.

Return (STL-PDX) flights

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