Southwest Airlines flights from Pittsburgh (PIT) to Saint Louis (STL).

FLIGHT SCHEDULE
Direct Flights:
Sun 20:50 Pittsburgh (PIT) 21:35 Saint Louis (STL) 2 Southwest Airlines WN 147 Non-stop Boeing 737-700 (Scimitar Winglets) 1:45 Effective 2025-10-05 through 2025-10-26
Sun 19:00 Pittsburgh (PIT) 19:45 Saint Louis (STL) 2 Southwest Airlines WN 579 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2025-08-31
Sun 20:30 Pittsburgh (PIT) 21:10 Saint Louis (STL) 2 Southwest Airlines WN 579 Non-stop Boeing 737-700 (73W) 1:40 Effective 2025-08-10 through 2025-08-24
Sun 20:30 Pittsburgh (PIT) 21:10 Saint Louis (STL) 2 Southwest Airlines WN 579 Non-stop Boeing 737-700 (73W) 1:40 Effective 2025-09-07 through 2025-09-28
Mon-Wed 17:20 Pittsburgh (PIT) 18:10 Saint Louis (STL) 2 Southwest Airlines WN 802 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 17:20 Pittsburgh (PIT) 18:10 Saint Louis (STL) 2 Southwest Airlines WN 802 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-19 through 2026-01-04
Sun 20:00 Pittsburgh (PIT) 20:50 Saint Louis (STL) 2 Southwest Airlines WN 850 Non-stop Boeing 737-700 (73W) 1:50 Valid until 2025-05-18
Sun 20:00 Pittsburgh (PIT) 20:50 Saint Louis (STL) 2 Southwest Airlines WN 850 Non-stop Boeing 737-700 (73W) 1:50 Operates only on 2025-06-01
Sat 08:40 Pittsburgh (PIT) 09:40 Saint Louis (STL) 2 Southwest Airlines WN 1139 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-11-08 through 2025-11-15
Sat 08:40 Pittsburgh (PIT) 09:40 Saint Louis (STL) 2 Southwest Airlines WN 1139 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2025-12-06 through 2025-12-13
Sun 19:55 Pittsburgh (PIT) 20:40 Saint Louis (STL) 2 Southwest Airlines WN 1211 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-06-08 through 2025-08-03
Mon,Thu,Fri 07:00 Pittsburgh (PIT) 07:50 Saint Louis (STL) 2 Southwest Airlines WN 1386 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-10-02 through 2025-10-31
Tue,Wed 14:10 Pittsburgh (PIT) 15:00 Saint Louis (STL) 2 Southwest Airlines WN 1386 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-10-07 through 2025-10-29
Sun 06:50 Pittsburgh (PIT) 07:40 Saint Louis (STL) 2 Southwest Airlines WN 1427 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-10-05 through 2025-10-26
Sat 13:30 Pittsburgh (PIT) 14:15 Saint Louis (STL) 2 Southwest Airlines WN 1427 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-10-04 through 2025-11-01
Thu 08:05 Pittsburgh (PIT) 09:10 Saint Louis (STL) 2 Southwest Airlines WN 1518 Non-stop Boeing 737-800 (73H) 2:05 Operates only on 2025-11-27
Tue,Wed 15:35 Pittsburgh (PIT) 16:25 Saint Louis (STL) 2 Southwest Airlines WN 2089 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-04 through 2025-11-12
Mon-Thu 15:35 Pittsburgh (PIT) 16:25 Saint Louis (STL) 2 Southwest Airlines WN 2089 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-11-17 through 2025-11-20
Mon-Fri 15:35 Pittsburgh (PIT) 16:25 Saint Louis (STL) 2 Southwest Airlines WN 2089 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-02 through 2025-12-11
Mon-Wed 15:35 Pittsburgh (PIT) 16:25 Saint Louis (STL) 2 Southwest Airlines WN 2089 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-15 through 2025-12-17
Wed,Thu 15:35 Pittsburgh (PIT) 16:25 Saint Louis (STL) 2 Southwest Airlines WN 2089 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Effective 2025-12-24 through 2026-01-01
Sun 08:35 Pittsburgh (PIT) 09:20 Saint Louis (STL) 2 Southwest Airlines WN 2156 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-08-10 through 2025-08-24
Sun 08:35 Pittsburgh (PIT) 09:20 Saint Louis (STL) 2 Southwest Airlines WN 2156 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Effective 2025-09-07 through 2025-09-28
Tue,Wed 13:05 Pittsburgh (PIT) 13:50 Saint Louis (STL) 2 Southwest Airlines WN 2156 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-08-05 through 2025-10-01
Sat 13:30 Pittsburgh (PIT) 14:15 Saint Louis (STL) 2 Southwest Airlines WN 2156 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-08-09 through 2025-09-27
Sun 05:30 Pittsburgh (PIT) 06:35 Saint Louis (STL) 2 Southwest Airlines WN 2412 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 12:15 Pittsburgh (PIT) 13:00 Saint Louis (STL) 2 Southwest Airlines WN 2412 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 12:15 Pittsburgh (PIT) 13:00 Saint Louis (STL) 2 Southwest Airlines WN 2412 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-21 through 2025-11-28
Fri,Sun 12:15 Pittsburgh (PIT) 13:00 Saint Louis (STL) 2 Southwest Airlines WN 2412 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-12-07 through 2025-12-14
Thu 12:15 Pittsburgh (PIT) 13:00 Saint Louis (STL) 2 Southwest Airlines WN 2412 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2025-12-18
Mon 12:15 Pittsburgh (PIT) 13:00 Saint Louis (STL) 2 Southwest Airlines WN 2412 Non-stop Boeing 737-800 (73H) 1:45 Operates only on 2026-01-05
Mon,Thu,Fri 13:05 Pittsburgh (PIT) 13:50 Saint Louis (STL) 2 Southwest Airlines WN 2638 Non-stop Boeing 737 MAX 8 (7M8) 1:45 Valid until 2025-06-02
Tue,Wed 16:00 Pittsburgh (PIT) 16:45 Saint Louis (STL) 2 Southwest Airlines WN 2638 Non-stop Boeing 737-700 (73W) 1:45 Valid until 2025-06-04
Sat 17:15 Pittsburgh (PIT) 18:00 Saint Louis (STL) 2 Southwest Airlines WN 2638 Non-stop Boeing 737-700 (73W) 1:45 Valid until 2025-05-31
Mon,Thu,Fri 16:00 Pittsburgh (PIT) 16:45 Saint Louis (STL) 2 Southwest Airlines WN 3203 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-08-07 through 2025-09-29
Sun 21:10 Pittsburgh (PIT) 22:00 Saint Louis (STL) 2 Southwest Airlines WN 3256 Non-stop Boeing 737-700 (Scimitar Winglets) 1:50 Operates only on 2025-11-30
Sun 14:10 Pittsburgh (PIT) 15:00 Saint Louis (STL) 2 Southwest Airlines WN 3614 Non-stop Boeing 737 MAX 8 (7M8) 1:50 Operates only on 2025-05-25
Sat,Sun 07:00 Pittsburgh (PIT) 07:45 Saint Louis (STL) 2 Southwest Airlines WN 3744 Non-stop Boeing 737-700 (73W) 1:45 Effective 2025-06-07 through 2025-08-03
Mon,Thu,Fri 10:55 Pittsburgh (PIT) 11:40 Saint Louis (STL) 2 Southwest Airlines WN 3744 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 10:55 Pittsburgh (PIT) 11:40 Saint Louis (STL) 2 Southwest Airlines WN 3744 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-07-07 through 2025-08-04
Tue,Wed 13:25 Pittsburgh (PIT) 14:10 Saint Louis (STL) 2 Southwest Airlines WN 3744 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-06-10 through 2025-07-30
Fri 15:35 Pittsburgh (PIT) 16:20 Saint Louis (STL) 2 Southwest Airlines WN 3744 Non-stop Boeing 737-700 (73W) 1:45 Operates only on 2025-07-04
Sat 14:30 Pittsburgh (PIT) 15:15 Saint Louis (STL) 2 Southwest Airlines WN 4148 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-11-22 through 2025-11-29
Sat 14:30 Pittsburgh (PIT) 15:15 Saint Louis (STL) 2 Southwest Airlines WN 4148 Non-stop Boeing 737-800 (73H) 1:45 Effective 2025-12-20 through 2026-01-03
Non-Direct Flights:
Sun 17:55 Pittsburgh (PIT) 20:05 Saint Louis (STL) 2 Southwest Airlines WN 3067 1-stop Boeing 737-700 (Scimitar Winglets) 3:10 Effective 2025-10-05 through 2025-10-26

A domestic route departing from the Pittsburgh airport (PIT) and arriving at Saint Louis airport (STL).
The flight distance is 552 miles, or 888 km.
The timezone of the departure airport is UTC-5 , 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 1:40 and 2:05.

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN147

20:50

Pittsburgh (PIT)

21:35

Saint Louis (STL) 2

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN579

19:00

Pittsburgh (PIT)

19:45

Saint Louis (STL) 2

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN579

20:30

Pittsburgh (PIT)

21:10

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN579

20:30

Pittsburgh (PIT)

21:10

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:40, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN802

17:20

Pittsburgh (PIT)

18:10

Saint Louis (STL) 2

Effective 2025-11-25 through 2025-12-01

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN802

17:20

Pittsburgh (PIT)

18:10

Saint Louis (STL) 2

Effective 2025-12-19 through 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN850

20:00

Pittsburgh (PIT)

20:50

Saint Louis (STL) 2

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN850

20:00

Pittsburgh (PIT)

20:50

Saint Louis (STL) 2

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1139

08:40

Pittsburgh (PIT)

09:40

Saint Louis (STL) 2

Effective 2025-11-08 through 2025-11-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN1139

08:40

Pittsburgh (PIT)

09:40

Saint Louis (STL) 2

Effective 2025-12-06 through 2025-12-13

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Southwest Airlines WN1211

19:55

Pittsburgh (PIT)

20:40

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1386

07:00

Pittsburgh (PIT)

07:50

Saint Louis (STL) 2

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1386

14:10

Pittsburgh (PIT)

15:00

Saint Louis (STL) 2

Effective 2025-10-07 through 2025-10-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1427

06:50

Pittsburgh (PIT)

07:40

Saint Louis (STL) 2

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1427

13:30

Pittsburgh (PIT)

14:15

Saint Louis (STL) 2

Effective 2025-10-04 through 2025-11-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1518

08:05

Pittsburgh (PIT)

09:10

Saint Louis (STL) 2

Operates only on 2025-11-27

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2089

15:35

Pittsburgh (PIT)

16:25

Saint Louis (STL) 2

Effective 2025-11-04 through 2025-11-12

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2089

15:35

Pittsburgh (PIT)

16:25

Saint Louis (STL) 2

Effective 2025-11-17 through 2025-11-20

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2089

15:35

Pittsburgh (PIT)

16:25

Saint Louis (STL) 2

Effective 2025-12-02 through 2025-12-11

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2089

15:35

Pittsburgh (PIT)

16:25

Saint Louis (STL) 2

Effective 2025-12-15 through 2025-12-17

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2089

15:35

Pittsburgh (PIT)

16:25

Saint Louis (STL) 2

Effective 2025-12-24 through 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2156

08:35

Pittsburgh (PIT)

09:20

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2156

08:35

Pittsburgh (PIT)

09:20

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2156

13:05

Pittsburgh (PIT)

13:50

Saint Louis (STL) 2

Effective 2025-08-05 through 2025-10-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2156

13:30

Pittsburgh (PIT)

14:15

Saint Louis (STL) 2

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2412

05:30

Pittsburgh (PIT)

06:35

Saint Louis (STL) 2

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2412

12:15

Pittsburgh (PIT)

13:00

Saint Louis (STL) 2

Effective 2025-11-02 through 2025-11-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2412

12:15

Pittsburgh (PIT)

13:00

Saint Louis (STL) 2

Effective 2025-11-21 through 2025-11-28

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2412

12:15

Pittsburgh (PIT)

13:00

Saint Louis (STL) 2

Effective 2025-12-07 through 2025-12-14

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2412

12:15

Pittsburgh (PIT)

13:00

Saint Louis (STL) 2

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2412

12:15

Pittsburgh (PIT)

13:00

Saint Louis (STL) 2

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2638

13:05

Pittsburgh (PIT)

13:50

Saint Louis (STL) 2

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2638

16:00

Pittsburgh (PIT)

16:45

Saint Louis (STL) 2

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2638

17:15

Pittsburgh (PIT)

18:00

Saint Louis (STL) 2

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3203

16:00

Pittsburgh (PIT)

16:45

Saint Louis (STL) 2

Effective 2025-08-07 through 2025-09-29

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3256

21:10

Pittsburgh (PIT)

22:00

Saint Louis (STL) 2

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3614

14:10

Pittsburgh (PIT)

15:00

Saint Louis (STL) 2

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 1:50, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3744

07:00

Pittsburgh (PIT)

07:45

Saint Louis (STL) 2

Effective 2025-06-07 through 2025-08-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 1:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3744

10:55

Pittsburgh (PIT)

11:40

Saint Louis (STL) 2

Effective 2025-06-05 through 2025-07-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3744

10:55

Pittsburgh (PIT)

11:40

Saint Louis (STL) 2

Effective 2025-07-07 through 2025-08-04

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3744

13:25

Pittsburgh (PIT)

14:10

Saint Louis (STL) 2

Effective 2025-06-10 through 2025-07-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN3744

15:35

Pittsburgh (PIT)

16:20

Saint Louis (STL) 2

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 1:45, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4148

14:30

Pittsburgh (PIT)

15:15

Saint Louis (STL) 2

Effective 2025-11-22 through 2025-11-29

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4148

14:30

Pittsburgh (PIT)

15:15

Saint Louis (STL) 2

Effective 2025-12-20 through 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 1:45, non-stop
Boeing 737-800 (73H)

Non-Direct Flights:

Southwest Airlines WN3067

17:55

Pittsburgh (PIT)

20:05

Saint Louis (STL) 2

Effective 2025-10-05 through 2025-10-26

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 3:10, 1-stop
Boeing 737-700 (Scimitar Winglets)

A domestic route departing from the Pittsburgh airport (PIT) and arriving at Saint Louis airport (STL).
The flight distance is 552 miles, or 888 km.
The timezone of the departure airport is UTC-5 , 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 1:40 and 2:05.

All PIT-STL flights

All Southwest Airlines flights

Return (STL-PIT) flights

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