Southwest Airlines flights from Saint Louis (STL) to San Antonio (SAT).

FLIGHT SCHEDULE
Direct Flights:
Mon-Wed 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 1139 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-25 through 2025-12-01
Mon,Tue,Fri,Sun 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 1139 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-19 through 2026-01-04
Sun 20:55 Saint Louis (STL) 2 23:00 San Antonio (SAT) A Southwest Airlines WN 1343 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-08-10 through 2025-08-24
Sun 20:55 Saint Louis (STL) 2 23:00 San Antonio (SAT) A Southwest Airlines WN 1343 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-09-07 through 2025-09-28
Thu 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 1589 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-11-27
Tue,Wed 10:15 Saint Louis (STL) 2 12:30 San Antonio (SAT) A Southwest Airlines WN 1902 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 22:15 Saint Louis (STL) 2 00:30 San Antonio (SAT) A Southwest Airlines WN 1902 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-10-02 through 2025-10-31 The flight arrives 1 day after departure.
Sat 08:25 Saint Louis (STL) 2 10:40 San Antonio (SAT) A Southwest Airlines WN 2163 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2025-10-04 through 2025-11-01
Mon,Thu,Fri 09:50 Saint Louis (STL) 2 12:05 San Antonio (SAT) A Southwest Airlines WN 2163 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-02 through 2025-10-31
Sun 10:05 Saint Louis (STL) 2 12:20 San Antonio (SAT) A Southwest Airlines WN 2163 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-05 through 2025-10-26
Tue,Wed 17:20 Saint Louis (STL) 2 19:35 San Antonio (SAT) A Southwest Airlines WN 2163 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2025-10-07 through 2025-10-29
Mon,Thu,Fri 09:50 Saint Louis (STL) 2 11:55 San Antonio (SAT) A Southwest Airlines WN 2419 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2025-08-07 through 2025-09-29
Sun 10:35 Saint Louis (STL) 2 12:45 San Antonio (SAT) A Southwest Airlines WN 2469 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-08-10 through 2025-08-24
Sun 10:35 Saint Louis (STL) 2 12:45 San Antonio (SAT) A Southwest Airlines WN 2469 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-09-07 through 2025-09-28
Tue,Wed 17:05 Saint Louis (STL) 2 19:20 San Antonio (SAT) A Southwest Airlines WN 2509 Non-stop Boeing 737-700 (73W) 2:15 Valid until 2025-06-04
Sat 08:25 Saint Louis (STL) 2 10:40 San Antonio (SAT) A Southwest Airlines WN 2581 Non-stop Boeing 737-700 (73W) 2:15 Valid until 2025-05-31
Sun 10:10 Saint Louis (STL) 2 12:25 San Antonio (SAT) A Southwest Airlines WN 2581 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2025-05-18
Sun 10:10 Saint Louis (STL) 2 12:25 San Antonio (SAT) A Southwest Airlines WN 2581 Non-stop Boeing 737-800 (73H) 2:15 Operates only on 2025-06-01
Mon,Thu,Fri 10:50 Saint Louis (STL) 2 13:05 San Antonio (SAT) A Southwest Airlines WN 2581 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2025-06-02
Tue,Wed 11:30 Saint Louis (STL) 2 13:45 San Antonio (SAT) A Southwest Airlines WN 2581 Non-stop Boeing 737-800 (73H) 2:15 Valid until 2025-06-04
Sun 07:20 Saint Louis (STL) 2 09:45 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737-800 (73H) 2:25 Operates only on 2025-11-30
Mon,Thu,Fri,Sun 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-02 through 2025-11-16
Mon,Fri,Sun 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-21 through 2025-11-28
Fri,Sun 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-07 through 2025-12-14
Thu 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2025-12-18
Mon 09:50 Saint Louis (STL) 2 12:10 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Operates only on 2026-01-05
Tue,Wed 10:15 Saint Louis (STL) 2 12:35 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-04 through 2025-11-12
Mon-Thu 10:15 Saint Louis (STL) 2 12:35 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-11-17 through 2025-11-20
Mon-Fri 10:15 Saint Louis (STL) 2 12:35 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-02 through 2025-12-11
Mon-Wed 10:15 Saint Louis (STL) 2 12:35 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-15 through 2025-12-17
Wed,Thu 10:15 Saint Louis (STL) 2 12:35 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737 MAX 8 (7M8) 2:20 Effective 2025-12-24 through 2026-01-01
Sat 10:35 Saint Louis (STL) 2 12:55 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-11-08 through 2025-11-15
Sat 10:35 Saint Louis (STL) 2 12:55 San Antonio (SAT) A Southwest Airlines WN 2802 Non-stop Boeing 737-800 (73H) 2:20 Effective 2025-12-06 through 2025-12-13
Sat 17:55 Saint Louis (STL) 2 20:15 San Antonio (SAT) A Southwest Airlines WN 2926 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-22 through 2025-11-29
Sat 17:55 Saint Louis (STL) 2 20:15 San Antonio (SAT) A Southwest Airlines WN 2926 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-12-20 through 2026-01-03
Sun 12:00 Saint Louis (STL) 2 14:10 San Antonio (SAT) A Southwest Airlines WN 3053 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Operates only on 2025-08-31
Sun 11:10 Saint Louis (STL) 2 13:25 San Antonio (SAT) A Southwest Airlines WN 3135 Non-stop Boeing 737-700 (73W) 2:15 Operates only on 2025-05-25
Mon,Thu,Fri 18:10 Saint Louis (STL) 2 20:25 San Antonio (SAT) A Southwest Airlines WN 3650 Non-stop Boeing 737-700 (73W) 2:15 Valid until 2025-06-02
Sun 21:55 Saint Louis (STL) 2 00:15 San Antonio (SAT) A Southwest Airlines WN 4039 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Operates only on 2025-11-30 The flight arrives 1 day after departure.
Sun 22:45 Saint Louis (STL) 2 01:00 San Antonio (SAT) A Southwest Airlines WN 4233 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Valid until 2025-05-18 The flight arrives 1 day after departure.
Sun 22:45 Saint Louis (STL) 2 01:00 San Antonio (SAT) A Southwest Airlines WN 4233 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Operates only on 2025-06-01 The flight arrives 1 day after departure.
Sat 08:25 Saint Louis (STL) 2 10:35 San Antonio (SAT) A Southwest Airlines WN 4410 Non-stop Boeing 737-700 (73W) 2:10 Effective 2025-08-09 through 2025-09-27
Tue,Wed 15:45 Saint Louis (STL) 2 17:55 San Antonio (SAT) A Southwest Airlines WN 4410 Non-stop Boeing 737-800 (73H) 2:10 Effective 2025-08-05 through 2025-10-01
Mon,Thu,Fri 19:10 Saint Louis (STL) 2 21:15 San Antonio (SAT) A Southwest Airlines WN 4410 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-08-07 through 2025-09-29
Fri 08:25 Saint Louis (STL) 2 10:35 San Antonio (SAT) A Southwest Airlines WN 4429 Non-stop Boeing 737-800 (73H) 2:10 Operates only on 2025-07-04
Tue,Wed 10:45 Saint Louis (STL) 2 12:50 San Antonio (SAT) A Southwest Airlines WN 4429 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-06-10 through 2025-07-30
Sat 17:20 Saint Louis (STL) 2 19:25 San Antonio (SAT) A Southwest Airlines WN 4429 Non-stop Boeing 737-700 (73W) 2:05 Effective 2025-06-07 through 2025-08-02
Mon,Thu,Fri 19:15 Saint Louis (STL) 2 21:20 San Antonio (SAT) A Southwest Airlines WN 4429 Non-stop Boeing 737-800 (73H) 2:05 Effective 2025-06-05 through 2025-07-03
Mon,Thu,Fri 19:15 Saint Louis (STL) 2 21:20 San Antonio (SAT) A Southwest Airlines WN 4429 Non-stop Boeing 737-800 (73H) 2:05 Effective 2025-07-07 through 2025-08-04
Mon-Wed 21:55 Saint Louis (STL) 2 00:15 San Antonio (SAT) A Southwest Airlines WN 4564 Non-stop Boeing 737-700 (Scimitar Winglets) 2:20 Effective 2025-11-25 through 2025-12-01 The flight arrives 1 day after departure.

1 2

A domestic route departing from the Saint Louis airport (STL) and arriving at San Antonio airport (SAT).
The flight distance is 786 miles, or 1265 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:05 and 2:25.

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Southwest Airlines flights from Saint Louis (STL) to San Antonio (SAT).

FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN1139

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1139

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

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

Mon

Tue

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN1343

20:55

Saint Louis (STL) 2

23:00

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1343

20:55

Saint Louis (STL) 2

23:00

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN1589

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

Operates only on 2025-11-27

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN1902

10:15

Saint Louis (STL) 2

12:30

San Antonio (SAT) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN1902

22:15

Saint Louis (STL) 2

00:30(+1)

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN2163

08:25

Saint Louis (STL) 2

10:40

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2163

09:50

Saint Louis (STL) 2

12:05

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2163

10:05

Saint Louis (STL) 2

12:20

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2163

17:20

Saint Louis (STL) 2

19:35

San Antonio (SAT) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2419

09:50

Saint Louis (STL) 2

11:55

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN2469

10:35

Saint Louis (STL) 2

12:45

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2469

10:35

Saint Louis (STL) 2

12:45

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2509

17:05

Saint Louis (STL) 2

19:20

San Antonio (SAT) A

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2581

08:25

Saint Louis (STL) 2

10:40

San Antonio (SAT) A

Valid until 2025-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN2581

10:10

Saint Louis (STL) 2

12:25

San Antonio (SAT) A

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2581

10:10

Saint Louis (STL) 2

12:25

San Antonio (SAT) A

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2581

10:50

Saint Louis (STL) 2

13:05

San Antonio (SAT) A

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2581

11:30

Saint Louis (STL) 2

13:45

San Antonio (SAT) A

Valid until 2025-06-04

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2802

07:20

Saint Louis (STL) 2

09:45

San Antonio (SAT) A

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:25, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2802

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

Operates only on 2025-12-18

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

09:50

Saint Louis (STL) 2

12:10

San Antonio (SAT) A

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

10:15

Saint Louis (STL) 2

12:35

San Antonio (SAT) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

10:15

Saint Louis (STL) 2

12:35

San Antonio (SAT) A

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

Mon

Tue

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

10:15

Saint Louis (STL) 2

12:35

San Antonio (SAT) A

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

10:15

Saint Louis (STL) 2

12:35

San Antonio (SAT) A

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

10:15

Saint Louis (STL) 2

12:35

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN2802

10:35

Saint Louis (STL) 2

12:55

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2802

10:35

Saint Louis (STL) 2

12:55

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN2926

17:55

Saint Louis (STL) 2

20:15

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN2926

17:55

Saint Louis (STL) 2

20:15

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)

Southwest Airlines WN3053

12:00

Saint Louis (STL) 2

14:10

San Antonio (SAT) A

Operates only on 2025-08-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)

Southwest Airlines WN3135

11:10

Saint Louis (STL) 2

13:25

San Antonio (SAT) A

Operates only on 2025-05-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN3650

18:10

Saint Louis (STL) 2

20:25

San Antonio (SAT) A

Valid until 2025-06-02

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:15, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4039

21:55

Saint Louis (STL) 2

00:15(+1)

San Antonio (SAT) A

Operates only on 2025-11-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

Southwest Airlines WN4233

22:45

Saint Louis (STL) 2

01:00(+1)

San Antonio (SAT) A

Valid until 2025-05-18

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN4233

22:45

Saint Louis (STL) 2

01:00(+1)

San Antonio (SAT) A

Operates only on 2025-06-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Southwest Airlines WN4410

08:25

Saint Louis (STL) 2

10:35

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4410

15:45

Saint Louis (STL) 2

17:55

San Antonio (SAT) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4410

19:10

Saint Louis (STL) 2

21:15

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4429

08:25

Saint Louis (STL) 2

10:35

San Antonio (SAT) A

Operates only on 2025-07-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-800 (73H)

Southwest Airlines WN4429

10:45

Saint Louis (STL) 2

12:50

San Antonio (SAT) A

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

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4429

17:20

Saint Louis (STL) 2

19:25

San Antonio (SAT) A

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

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (73W)

Southwest Airlines WN4429

19:15

Saint Louis (STL) 2

21:20

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN4429

19:15

Saint Louis (STL) 2

21:20

San Antonio (SAT) A

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

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Southwest Airlines WN4564

21:55

Saint Louis (STL) 2

00:15(+1)

San Antonio (SAT) A

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

Mon

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:20, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

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A domestic route departing from the Saint Louis airport (STL) and arriving at San Antonio airport (SAT).
The flight distance is 786 miles, or 1265 km.
The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
For direct flights, the flight time varies between 2:05 and 2:25.

All STL-SAT flights

All Southwest Airlines flights

Return (SAT-STL) flights

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