Southwest Airlines flights from Phoenix Sky Harbor (PHX) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon
18:20
Phoenix Sky Harbor (PHX) 4
22:10
Saint Louis (STL) 2 Southwest Airlines WN 1564 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-01-05 |
| Mon,Thu,Fri
18:55
Phoenix Sky Harbor (PHX) 4
23:50
Saint Louis (STL) 2 Southwest Airlines WN 1603 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-08-06 through 2026-09-28 |
| Tue,Wed
05:35
Phoenix Sky Harbor (PHX) 4
10:25
Saint Louis (STL) 2 Southwest Airlines WN 1680 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-07 through 2026-06-03 |
| Sat
20:05
Phoenix Sky Harbor (PHX) 4
01:00
Saint Louis (STL) 2 Southwest Airlines WN 1747 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-06-06 through 2026-08-01 The flight arrives 1 day after departure. |
| Tue,Wed
18:20
Phoenix Sky Harbor (PHX) 4
23:15
Saint Louis (STL) 2 Southwest Airlines WN 1845 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-04-07 through 2026-06-03 |
| Mon,Thu,Fri
19:40
Phoenix Sky Harbor (PHX) 4
00:30
Saint Louis (STL) 2 Southwest Airlines WN 1845 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-09 through 2026-06-01 The flight arrives 1 day after departure. |
| Sun
06:45
Phoenix Sky Harbor (PHX) 4
11:35
Saint Louis (STL) 2 Southwest Airlines WN 1915 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-24 |
| Sun
17:55
Phoenix Sky Harbor (PHX) 4
22:50
Saint Louis (STL) 2 Southwest Airlines WN 1975 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Operates only on 2026-05-24 |
| Sun
20:25
Phoenix Sky Harbor (PHX) 4
01:15
Saint Louis (STL) 2 Southwest Airlines WN 1975 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-04-12 through 2026-05-17 The flight arrives 1 day after departure. |
| Sun
20:25
Phoenix Sky Harbor (PHX) 4
01:15
Saint Louis (STL) 2 Southwest Airlines WN 1975 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2026-05-31 The flight arrives 1 day after departure. |
| Thu,Fri,Sun
07:55
Phoenix Sky Harbor (PHX) 4
11:45
Saint Louis (STL) 2 Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
07:55
Phoenix Sky Harbor (PHX) 4
11:45
Saint Louis (STL) 2 Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-19 through 2026-01-25 |
| Sun
07:55
Phoenix Sky Harbor (PHX) 4
11:45
Saint Louis (STL) 2 Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-02-01 |
| Mon,Thu,Fri
08:00
Phoenix Sky Harbor (PHX) 4
11:50
Saint Louis (STL) 2 Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-05 through 2026-02-09 |
| Tue,Thu,Sun
08:00
Phoenix Sky Harbor (PHX) 4
11:50
Saint Louis (STL) 2 Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-15 through 2026-02-19 |
| Mon
08:00
Phoenix Sky Harbor (PHX) 4
11:50
Saint Louis (STL) 2 Southwest Airlines WN 1998 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-23 through 2026-03-02 |
| Thu,Fri,Sun
05:00
Phoenix Sky Harbor (PHX) 4
08:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
05:00
Phoenix Sky Harbor (PHX) 4
08:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-19 through 2026-01-25 |
| Thu,Fri,Sun
05:00
Phoenix Sky Harbor (PHX) 4
08:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-01 through 2026-02-06 |
| Mon,Sun
05:00
Phoenix Sky Harbor (PHX) 4
08:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-09 through 2026-02-15 |
| Mon,Tue,Thu
05:00
Phoenix Sky Harbor (PHX) 4
08:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-17 through 2026-02-23 |
| Mon
05:00
Phoenix Sky Harbor (PHX) 4
08:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-03-02 |
| Sat
06:00
Phoenix Sky Harbor (PHX) 4
09:50
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2026-02-28 |
| Mon,Thu,Fri
06:05
Phoenix Sky Harbor (PHX) 4
09:55
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
06:05
Phoenix Sky Harbor (PHX) 4
09:55
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-20 through 2026-03-01 |
| Sat
08:55
Phoenix Sky Harbor (PHX) 4
12:45
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-10 through 2026-02-07 |
| Mon-Fri
10:35
Phoenix Sky Harbor (PHX) 4
14:25
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
10:35
Phoenix Sky Harbor (PHX) 4
14:25
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
10:35
Phoenix Sky Harbor (PHX) 4
14:25
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-26 through 2026-02-04 |
| Tue,Wed,Sun
10:35
Phoenix Sky Harbor (PHX) 4
14:25
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-08 through 2026-02-11 |
| Tue,Wed
10:35
Phoenix Sky Harbor (PHX) 4
14:25
Saint Louis (STL) 2 Southwest Airlines WN 2179 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-02-18 through 2026-03-04 |
| Mon,Thu,Fri
05:05
Phoenix Sky Harbor (PHX) 4
09:55
Saint Louis (STL) 2 Southwest Airlines WN 2359 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-06 through 2026-09-28 |
| Sat
17:25
Phoenix Sky Harbor (PHX) 4
22:20
Saint Louis (STL) 2 Southwest Airlines WN 2359 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-08 through 2026-09-26 |
| Tue,Wed
17:40
Phoenix Sky Harbor (PHX) 4
22:35
Saint Louis (STL) 2 Southwest Airlines WN 2359 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-08-04 through 2026-09-30 |
| Sun
18:05
Phoenix Sky Harbor (PHX) 4
23:00
Saint Louis (STL) 2 Southwest Airlines WN 2359 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-09 through 2026-09-27 |
| Tue,Wed
18:30
Phoenix Sky Harbor (PHX) 4
23:20
Saint Louis (STL) 2 Southwest Airlines WN 2648 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-10 through 2026-04-01 |
| Mon,Thu,Fri
20:05
Phoenix Sky Harbor (PHX) 4
00:50
Saint Louis (STL) 2 Southwest Airlines WN 2648 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-03-09 through 2026-04-06 The flight arrives 1 day after departure. |
| Sun
20:40
Phoenix Sky Harbor (PHX) 4
01:30
Saint Louis (STL) 2 Southwest Airlines WN 2648 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-08 through 2026-04-05 The flight arrives 1 day after departure. |
| Thu,Fri
21:05
Phoenix Sky Harbor (PHX) 4
00:50
Saint Louis (STL) 2 Southwest Airlines WN 2648 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-03-05 through 2026-03-06 The flight arrives 1 day after departure. |
| Sat
21:05
Phoenix Sky Harbor (PHX) 4
01:55
Saint Louis (STL) 2 Southwest Airlines WN 2648 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-14 through 2026-04-04 The flight arrives 1 day after departure. |
| Sat
22:05
Phoenix Sky Harbor (PHX) 4
01:55
Saint Louis (STL) 2 Southwest Airlines WN 2648 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-03-07 The flight arrives 1 day after departure. |
| Sat
08:25
Phoenix Sky Harbor (PHX) 4
12:20
Saint Louis (STL) 2 Southwest Airlines WN 2782 Non-stop Boeing 737-800 (73H) 2:55 Valid until 2026-01-03 |
| Sun
14:10
Phoenix Sky Harbor (PHX) 4
19:05
Saint Louis (STL) 2 Southwest Airlines WN 2906 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-04-12 through 2026-05-17 |
| Sun
14:10
Phoenix Sky Harbor (PHX) 4
19:05
Saint Louis (STL) 2 Southwest Airlines WN 2906 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Operates only on 2026-05-31 |
| Mon,Thu,Fri
16:10
Phoenix Sky Harbor (PHX) 4
21:05
Saint Louis (STL) 2 Southwest Airlines WN 2906 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-04-09 through 2026-06-01 |
| Tue,Wed
16:20
Phoenix Sky Harbor (PHX) 4
21:10
Saint Louis (STL) 2 Southwest Airlines WN 2906 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-07 through 2026-06-03 |
| Sat
16:55
Phoenix Sky Harbor (PHX) 4
21:45
Saint Louis (STL) 2 Southwest Airlines WN 2906 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-11 through 2026-05-30 |
| Mon,Thu,Fri
05:15
Phoenix Sky Harbor (PHX) 4
10:05
Saint Louis (STL) 2 Southwest Airlines WN 3183 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-09 through 2026-06-01 |
| Sat
06:40
Phoenix Sky Harbor (PHX) 4
11:30
Saint Louis (STL) 2 Southwest Airlines WN 3183 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-11 through 2026-05-30 |
| Sat
08:00
Phoenix Sky Harbor (PHX) 4
11:50
Saint Louis (STL) 2 Southwest Airlines WN 3239 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-02-21 |
- A domestic route departing from the Phoenix Sky Harbor airport (PHX) and arriving at Saint Louis airport (STL).
- The flight distance is 1259 miles, or 2025 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 2:45 and 3:05.
