All airlines flying from Phoenix Sky Harbor (PHX) to San Antonio (SAT).

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu,Fri 10:00 Phoenix Sky Harbor (PHX) 4 14:10 San Antonio (SAT) A Southwest Airlines WN 3254 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-06 through 2026-09-28
Sun 19:55 Phoenix Sky Harbor (PHX) 4 00:05 San Antonio (SAT) A Southwest Airlines WN 3254 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-09 through 2026-09-27 The flight arrives 1 day after departure.
Mon,Thu,Fri 12:30 Phoenix Sky Harbor (PHX) 4 16:30 San Antonio (SAT) A Southwest Airlines WN 3287 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-03-09 through 2026-04-06
Thu,Fri 13:30 Phoenix Sky Harbor (PHX) 4 16:30 San Antonio (SAT) A Southwest Airlines WN 3287 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-03-05 through 2026-03-06
Sat 14:45 Phoenix Sky Harbor (PHX) 4 18:50 San Antonio (SAT) A Southwest Airlines WN 3287 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-03-14 through 2026-04-04
Tue,Wed 15:05 Phoenix Sky Harbor (PHX) 4 19:10 San Antonio (SAT) A Southwest Airlines WN 3287 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-03-10 through 2026-04-01
Sat 15:45 Phoenix Sky Harbor (PHX) 4 18:50 San Antonio (SAT) A Southwest Airlines WN 3287 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Operates only on 2026-03-07
Sat 18:20 Phoenix Sky Harbor (PHX) 4 22:30 San Antonio (SAT) A Southwest Airlines WN 3328 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-06-06 through 2026-08-01
Mon,Thu,Fri 20:40 Phoenix Sky Harbor (PHX) 4 00:50 San Antonio (SAT) A Southwest Airlines WN 3328 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-06-04 through 2026-08-03 The flight arrives 1 day after departure.
Sun 20:40 Phoenix Sky Harbor (PHX) 4 00:50 San Antonio (SAT) A Southwest Airlines WN 3328 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-06-07 through 2026-08-02 The flight arrives 1 day after departure.
Wed,Thu 07:00 Phoenix Sky Harbor (PHX) 4 10:05 San Antonio (SAT) A Southwest Airlines WN 3391 Non-stop Boeing 737-700 (73W) 2:05 Valid until 2026-01-01
Mon 10:30 Phoenix Sky Harbor (PHX) 4 13:35 San Antonio (SAT) A Southwest Airlines WN 3391 Non-stop Boeing 737-800 (73H) 2:05 Operates only on 2026-01-05
Tue,Wed 18:55 Phoenix Sky Harbor (PHX) 4 22:55 San Antonio (SAT) A Southwest Airlines WN 3630 Non-stop Boeing 737-700 (Scimitar Winglets) 2:00 Effective 2026-03-10 through 2026-04-01
Fri,Sun 12:30 Phoenix Sky Harbor (PHX) 4 15:35 San Antonio (SAT) A Southwest Airlines WN 3633 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-01-02 through 2026-01-04
Sat 16:55 Phoenix Sky Harbor (PHX) 4 20:55 San Antonio (SAT) A Southwest Airlines WN 3877 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-04-11 through 2026-05-30
Tue,Wed 18:00 Phoenix Sky Harbor (PHX) 4 22:05 San Antonio (SAT) A Southwest Airlines WN 3877 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-04-07 through 2026-06-03
Sun 20:05 Phoenix Sky Harbor (PHX) 4 00:10 San Antonio (SAT) A Southwest Airlines WN 3877 Non-stop Boeing 737-800 (73H) 2:05 Operates only on 2026-05-24 The flight arrives 1 day after departure.
Mon,Thu,Fri 20:20 Phoenix Sky Harbor (PHX) 4 00:25 San Antonio (SAT) A Southwest Airlines WN 3877 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-04-09 through 2026-06-01 The flight arrives 1 day after departure.
Sun 21:05 Phoenix Sky Harbor (PHX) 4 01:10 San Antonio (SAT) A Southwest Airlines WN 3877 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Effective 2026-04-12 through 2026-05-17 The flight arrives 1 day after departure.
Sun 21:05 Phoenix Sky Harbor (PHX) 4 01:10 San Antonio (SAT) A Southwest Airlines WN 3877 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2026-05-31 The flight arrives 1 day after departure.
Mon,Thu,Fri 16:45 Phoenix Sky Harbor (PHX) 4 19:45 San Antonio (SAT) A Southwest Airlines WN 3968 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 16:45 Phoenix Sky Harbor (PHX) 4 19:45 San Antonio (SAT) A Southwest Airlines WN 3968 Non-stop Boeing 737-800 (73H) 2:00 Effective 2026-02-20 through 2026-03-01
Sun 07:45 Phoenix Sky Harbor (PHX) 4 11:55 San Antonio (SAT) A Southwest Airlines WN 4081 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 07:55 Phoenix Sky Harbor (PHX) 4 12:05 San Antonio (SAT) A Southwest Airlines WN 4081 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-06-04 through 2026-08-03
Tue,Wed 08:05 Phoenix Sky Harbor (PHX) 4 12:15 San Antonio (SAT) A Southwest Airlines WN 4081 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-06-09 through 2026-07-29
Mon 14:50 Phoenix Sky Harbor (PHX) 4 17:55 San Antonio (SAT) A Southwest Airlines WN 4117 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2026-01-05
Fri,Sun 15:05 Phoenix Sky Harbor (PHX) 4 18:10 San Antonio (SAT) A Southwest Airlines WN 4117 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-01-02 through 2026-01-04
Sat 16:10 Phoenix Sky Harbor (PHX) 4 19:15 San Antonio (SAT) A Southwest Airlines WN 4117 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2026-01-03
Fri,Sun 17:20 Phoenix Sky Harbor (PHX) 4 20:25 San Antonio (SAT) A Southwest Airlines WN 4119 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-01-02 through 2026-01-04
Wed,Thu 18:40 Phoenix Sky Harbor (PHX) 4 21:45 San Antonio (SAT) A Southwest Airlines WN 4121 Non-stop Boeing 737-700 (73W) 2:05 Valid until 2026-01-01
Mon 19:55 Phoenix Sky Harbor (PHX) 4 23:00 San Antonio (SAT) A Southwest Airlines WN 4121 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Operates only on 2026-01-05
Fri,Sun 21:05 Phoenix Sky Harbor (PHX) 4 00:10 San Antonio (SAT) A Southwest Airlines WN 4121 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-01-02 through 2026-01-04 The flight arrives 1 day after departure.
Sat 21:20 Phoenix Sky Harbor (PHX) 4 00:25 San Antonio (SAT) A Southwest Airlines WN 4121 Non-stop Boeing 737 MAX 8 (7M8) 2:05 Valid until 2026-01-03 The flight arrives 1 day after departure.
Tue,Wed 09:00 Phoenix Sky Harbor (PHX) 4 13:15 San Antonio (SAT) A Southwest Airlines WN 4140 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-08-04 through 2026-09-30
Sun 10:30 Phoenix Sky Harbor (PHX) 4 14:40 San Antonio (SAT) A Southwest Airlines WN 4140 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 15:10 Phoenix Sky Harbor (PHX) 4 19:20 San Antonio (SAT) A Southwest Airlines WN 4140 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-06 through 2026-09-28
Mon,Thu,Fri 07:45 Phoenix Sky Harbor (PHX) 4 12:00 San Antonio (SAT) A Southwest Airlines WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-03-09 through 2026-04-06
Sat 07:45 Phoenix Sky Harbor (PHX) 4 12:00 San Antonio (SAT) A Southwest Airlines WN 4253 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Effective 2026-03-14 through 2026-04-04
Sun 07:55 Phoenix Sky Harbor (PHX) 4 12:10 San Antonio (SAT) A Southwest Airlines WN 4253 Non-stop Boeing 737-800 (73H) 2:15 Effective 2026-03-08 through 2026-04-05
Tue,Wed 08:40 Phoenix Sky Harbor (PHX) 4 12:50 San Antonio (SAT) A Southwest Airlines WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-03-10 through 2026-04-01
Thu,Fri 08:45 Phoenix Sky Harbor (PHX) 4 12:00 San Antonio (SAT) A Southwest Airlines WN 4253 Non-stop Boeing 737 MAX 8 (7M8) 2:15 Effective 2026-03-05 through 2026-03-06
Sat 08:45 Phoenix Sky Harbor (PHX) 4 12:00 San Antonio (SAT) A Southwest Airlines WN 4253 Non-stop Boeing 737-700 (Scimitar Winglets) 2:15 Operates only on 2026-03-07
Mon,Thu,Fri 18:35 Phoenix Sky Harbor (PHX) 4 22:40 San Antonio (SAT) A Southwest Airlines WN 4255 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-03-09 through 2026-04-06
Thu,Fri 19:35 Phoenix Sky Harbor (PHX) 4 22:40 San Antonio (SAT) A Southwest Airlines WN 4255 Non-stop Boeing 737-700 (Scimitar Winglets) 2:05 Effective 2026-03-05 through 2026-03-06
Sun 16:05 Phoenix Sky Harbor (PHX) 4 20:15 San Antonio (SAT) A Southwest Airlines WN 4374 Non-stop Boeing 737 MAX 8 (7M8) 2:10 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 19:05 Phoenix Sky Harbor (PHX) 4 23:15 San Antonio (SAT) A Southwest Airlines WN 4374 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-06 through 2026-09-28
Tue,Wed 11:40 Phoenix Sky Harbor (PHX) 4 15:45 San Antonio (SAT) A Southwest Airlines WN 4590 Non-stop Boeing 737-800 (73H) 2:05 Effective 2026-03-10 through 2026-04-01
Tue 14:00 Phoenix Sky Harbor (PHX) 4 18:10 San Antonio (SAT) A Southwest Airlines WN 5061 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-04 through 2026-09-29
Wed 14:00 Phoenix Sky Harbor (PHX) 4 18:10 San Antonio (SAT) A Southwest Airlines WN 5068 Non-stop Boeing 737-700 (Scimitar Winglets) 2:10 Effective 2026-08-05 through 2026-09-30
Tue 17:40 Phoenix Sky Harbor (PHX) 4 21:50 San Antonio (SAT) A Southwest Airlines WN 5079 Non-stop Boeing 737-800 (73H) 2:10 Effective 2026-08-04 through 2026-09-29

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A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at San Antonio airport (SAT).
The flight distance is 841 miles, or 1353 km.
The timezone of the departure airport is UTC-7 , 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 2:00 and 2:29.

Return (SAT-PHX) flights

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All airlines flying from Phoenix Sky Harbor (PHX) to San Antonio (SAT).

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FLIGHT SCHEDULE

Direct Flights:

Southwest Airlines WN3254

10:00

Phoenix Sky Harbor (PHX) 4

14:10

San Antonio (SAT) A

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3254

19:55

Phoenix Sky Harbor (PHX) 4

00:05(+1)

San Antonio (SAT) A

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3287

12:30

Phoenix Sky Harbor (PHX) 4

16:30

San Antonio (SAT) A

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3287

13:30

Phoenix Sky Harbor (PHX) 4

16:30

San Antonio (SAT) A

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3287

14:45

Phoenix Sky Harbor (PHX) 4

18:50

San Antonio (SAT) A

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3287

15:05

Phoenix Sky Harbor (PHX) 4

19:10

San Antonio (SAT) A

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3287

15:45

Phoenix Sky Harbor (PHX) 4

18:50

San Antonio (SAT) A

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3328

18:20

Phoenix Sky Harbor (PHX) 4

22:30

San Antonio (SAT) A

Effective 2026-06-06 through 2026-08-01

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN3328

20:40

Phoenix Sky Harbor (PHX) 4

00:50(+1)

San Antonio (SAT) A

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3328

20:40

Phoenix Sky Harbor (PHX) 4

00:50(+1)

San Antonio (SAT) A

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3391

07:00

Phoenix Sky Harbor (PHX) 4

10:05

San Antonio (SAT) A

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3391

10:30

Phoenix Sky Harbor (PHX) 4

13:35

San Antonio (SAT) A

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3630

18:55

Phoenix Sky Harbor (PHX) 4

22:55

San Antonio (SAT) A

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3633

12:30

Phoenix Sky Harbor (PHX) 4

15:35

San Antonio (SAT) A

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN3877

16:55

Phoenix Sky Harbor (PHX) 4

20:55

San Antonio (SAT) A

Effective 2026-04-11 through 2026-05-30

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3877

18:00

Phoenix Sky Harbor (PHX) 4

22:05

San Antonio (SAT) A

Effective 2026-04-07 through 2026-06-03

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN3877

20:05

Phoenix Sky Harbor (PHX) 4

00:10(+1)

San Antonio (SAT) A

Operates only on 2026-05-24

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3877

20:20

Phoenix Sky Harbor (PHX) 4

00:25(+1)

San Antonio (SAT) A

Effective 2026-04-09 through 2026-06-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3877

21:05

Phoenix Sky Harbor (PHX) 4

01:10(+1)

San Antonio (SAT) A

Effective 2026-04-12 through 2026-05-17

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3877

21:05

Phoenix Sky Harbor (PHX) 4

01:10(+1)

San Antonio (SAT) A

Operates only on 2026-05-31

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN3968

16:45

Phoenix Sky Harbor (PHX) 4

19:45

San Antonio (SAT) A

Effective 2026-02-12 through 2026-02-16

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN3968

16:45

Phoenix Sky Harbor (PHX) 4

19:45

San Antonio (SAT) A

Effective 2026-02-20 through 2026-03-01

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun

Duration: 2:00, non-stop
Boeing 737-800 (73H)

Direct Flights:

Southwest Airlines WN4081

07:45

Phoenix Sky Harbor (PHX) 4

11:55

San Antonio (SAT) A

Effective 2026-06-07 through 2026-08-02

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4081

07:55

Phoenix Sky Harbor (PHX) 4

12:05

San Antonio (SAT) A

Effective 2026-06-04 through 2026-08-03

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4081

08:05

Phoenix Sky Harbor (PHX) 4

12:15

San Antonio (SAT) A

Effective 2026-06-09 through 2026-07-29

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4117

14:50

Phoenix Sky Harbor (PHX) 4

17:55

San Antonio (SAT) A

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4117

15:05

Phoenix Sky Harbor (PHX) 4

18:10

San Antonio (SAT) A

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4117

16:10

Phoenix Sky Harbor (PHX) 4

19:15

San Antonio (SAT) A

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4119

17:20

Phoenix Sky Harbor (PHX) 4

20:25

San Antonio (SAT) A

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4121

18:40

Phoenix Sky Harbor (PHX) 4

21:45

San Antonio (SAT) A

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4121

19:55

Phoenix Sky Harbor (PHX) 4

23:00

San Antonio (SAT) A

Operates only on 2026-01-05

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4121

21:05

Phoenix Sky Harbor (PHX) 4

00:10(+1)

San Antonio (SAT) A

Effective 2026-01-02 through 2026-01-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4121

21:20

Phoenix Sky Harbor (PHX) 4

00:25(+1)

San Antonio (SAT) A

Valid until 2026-01-03

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 2:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Direct Flights:

Southwest Airlines WN4140

09:00

Phoenix Sky Harbor (PHX) 4

13:15

San Antonio (SAT) A

Effective 2026-08-04 through 2026-09-30

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4140

10:30

Phoenix Sky Harbor (PHX) 4

14:40

San Antonio (SAT) A

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4140

15:10

Phoenix Sky Harbor (PHX) 4

19:20

San Antonio (SAT) A

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4253

07:45

Phoenix Sky Harbor (PHX) 4

12:00

San Antonio (SAT) A

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4253

07:45

Phoenix Sky Harbor (PHX) 4

12:00

San Antonio (SAT) A

Effective 2026-03-14 through 2026-04-04

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4253

07:55

Phoenix Sky Harbor (PHX) 4

12:10

San Antonio (SAT) A

Effective 2026-03-08 through 2026-04-05

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4253

08:40

Phoenix Sky Harbor (PHX) 4

12:50

San Antonio (SAT) A

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4253

08:45

Phoenix Sky Harbor (PHX) 4

12:00

San Antonio (SAT) A

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN4253

08:45

Phoenix Sky Harbor (PHX) 4

12:00

San Antonio (SAT) A

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

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

Direct Flights:

Southwest Airlines WN4255

18:35

Phoenix Sky Harbor (PHX) 4

22:40

San Antonio (SAT) A

Effective 2026-03-09 through 2026-04-06

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4255

19:35

Phoenix Sky Harbor (PHX) 4

22:40

San Antonio (SAT) A

Effective 2026-03-05 through 2026-03-06

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:05, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4374

16:05

Phoenix Sky Harbor (PHX) 4

20:15

San Antonio (SAT) A

Effective 2026-08-09 through 2026-09-27

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

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

Direct Flights:

Southwest Airlines WN4374

19:05

Phoenix Sky Harbor (PHX) 4

23:15

San Antonio (SAT) A

Effective 2026-08-06 through 2026-09-28

Mon

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN4590

11:40

Phoenix Sky Harbor (PHX) 4

15:45

San Antonio (SAT) A

Effective 2026-03-10 through 2026-04-01

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

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

Direct Flights:

Southwest Airlines WN5061

14:00

Phoenix Sky Harbor (PHX) 4

18:10

San Antonio (SAT) A

Effective 2026-08-04 through 2026-09-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN5068

14:00

Phoenix Sky Harbor (PHX) 4

18:10

San Antonio (SAT) A

Effective 2026-08-05 through 2026-09-30

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 2:10, non-stop
Boeing 737-700 (Scimitar Winglets)

Direct Flights:

Southwest Airlines WN5079

17:40

Phoenix Sky Harbor (PHX) 4

21:50

San Antonio (SAT) A

Effective 2026-08-04 through 2026-09-29

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

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

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A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at San Antonio airport (SAT).
The flight distance is 841 miles, or 1353 km.
The timezone of the departure airport is UTC-7 , 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 2:00 and 2:29.

Return (SAT-PHX) flights

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