All airlines flying from Phoenix Sky Harbor (PHX) to Saint Louis (STL).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Wed,Thu
05:45
Phoenix Sky Harbor (PHX) 4
09:35
Saint Louis (STL) 2 Southwest Airlines WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2026-01-01 |
| Sat
13:15
Phoenix Sky Harbor (PHX) 4
17:05
Saint Louis (STL) 2 Southwest Airlines WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2026-01-03 |
| Mon,Tue,Fri,Sun
14:25
Phoenix Sky Harbor (PHX) 4
18:15
Saint Louis (STL) 2 Southwest Airlines WN 4151 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Valid until 2026-01-05 |
| Mon,Thu,Fri
15:40
Phoenix Sky Harbor (PHX) 4
19:30
Saint Louis (STL) 2 Southwest Airlines WN 4226 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
15:40
Phoenix Sky Harbor (PHX) 4
19:30
Saint Louis (STL) 2 Southwest Airlines WN 4226 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-02-20 through 2026-03-01 |
| Sat
17:00
Phoenix Sky Harbor (PHX) 4
20:50
Saint Louis (STL) 2 Southwest Airlines WN 4226 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-01-10 through 2026-01-31 |
| Sat
17:00
Phoenix Sky Harbor (PHX) 4
20:50
Saint Louis (STL) 2 Southwest Airlines WN 4226 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-02-07 |
| Sun
05:00
Phoenix Sky Harbor (PHX) 4
09:50
Saint Louis (STL) 2 Southwest Airlines WN 4273 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-08 through 2026-04-05 |
| Mon,Thu,Fri
05:00
Phoenix Sky Harbor (PHX) 4
09:50
Saint Louis (STL) 2 Southwest Airlines WN 4273 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-09 through 2026-04-06 |
| Tue,Wed
05:55
Phoenix Sky Harbor (PHX) 4
10:40
Saint Louis (STL) 2 Southwest Airlines WN 4273 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-03-10 through 2026-04-01 |
| Thu,Fri
06:00
Phoenix Sky Harbor (PHX) 4
09:50
Saint Louis (STL) 2 Southwest Airlines WN 4273 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-03-05 through 2026-03-06 |
| Sun
05:30
Phoenix Sky Harbor (PHX) 4
10:20
Saint Louis (STL) 2 Southwest Airlines WN 4665 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-12 through 2026-05-17 |
| Sun
05:30
Phoenix Sky Harbor (PHX) 4
10:20
Saint Louis (STL) 2 Southwest Airlines WN 4665 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-05-31 |
| Sun
13:15
Phoenix Sky Harbor (PHX) 4
18:10
Saint Louis (STL) 2 Southwest Airlines WN 4682 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-08-09 through 2026-09-27 |
| Tue,Wed
15:00
Phoenix Sky Harbor (PHX) 4
19:50
Saint Louis (STL) 2 Southwest Airlines WN 4702 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-10 through 2026-04-01 |
| Sat
16:15
Phoenix Sky Harbor (PHX) 4
21:05
Saint Louis (STL) 2 Southwest Airlines WN 4753 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-14 through 2026-04-04 |
| Sun
16:55
Phoenix Sky Harbor (PHX) 4
21:45
Saint Louis (STL) 2 Southwest Airlines WN 4778 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-08 through 2026-04-05 |
| Thu,Fri,Sun
16:25
Phoenix Sky Harbor (PHX) 4
20:15
Saint Louis (STL) 2 Southwest Airlines WN 4899 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-01-11 through 2026-01-16 |
| Mon,Sun
16:25
Phoenix Sky Harbor (PHX) 4
20:15
Saint Louis (STL) 2 Southwest Airlines WN 4899 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-01-19 through 2026-01-25 |
| Sun
16:25
Phoenix Sky Harbor (PHX) 4
20:15
Saint Louis (STL) 2 Southwest Airlines WN 4899 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-02-01 |
| Fri
11:40
Phoenix Sky Harbor (PHX) 4
15:40
Saint Louis (STL) 2 Southwest Airlines WN 5058 Non-stop Boeing 737 MAX 8 (7M8) 3:00 Operates only on 2026-02-27 |
| Sun
07:45
Phoenix Sky Harbor (PHX) 4
11:35
Saint Louis (STL) 2 Southwest Airlines WN 5059 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-02-22 |
| Sun
07:45
Phoenix Sky Harbor (PHX) 4
11:35
Saint Louis (STL) 2 Southwest Airlines WN 5073 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-03-01 |
| Sun
15:05
Phoenix Sky Harbor (PHX) 4
18:55
Saint Louis (STL) 2 Southwest Airlines WN 5097 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Operates only on 2026-02-08 |
| Daily
12:15
Phoenix Sky Harbor (PHX) 4
17:30
Saint Louis (STL) 1 American Airlines AA 6356 Non-stop Embraer EMB 175 (E75) 3:15 Effective 2026-05-21 through 2026-07-01 |
| Daily
12:15
Phoenix Sky Harbor (PHX) 4
17:27
Saint Louis (STL) 1 American Airlines AA 6364 Non-stop Embraer EMB 175 (E75) 3:12 Effective 2026-07-02 through 2026-08-04 |
| Non-Direct Flights: |
| Sun
08:55
Phoenix Sky Harbor (PHX) 4
17:15
Saint Louis (STL) 2 Southwest Airlines WN 153 1-stop Boeing 737-700 (Scimitar Winglets) 6:20 Operates only on 2026-05-24 |
| Tue,Wed
11:10
Phoenix Sky Harbor (PHX) 4
17:55
Saint Louis (STL) 2 Southwest Airlines WN 154 1-stop Boeing 737-700 (Scimitar Winglets) 4:45 Effective 2026-04-07 through 2026-06-03 |
| Tue,Wed
10:50
Phoenix Sky Harbor (PHX) 4
17:45
Saint Louis (STL) 2 Southwest Airlines WN 174 1-stop Boeing 737-700 (Scimitar Winglets) 4:55 Effective 2026-06-09 through 2026-07-29 |
| Mon,Thu,Fri
14:30
Phoenix Sky Harbor (PHX) 4
19:25
Saint Louis (STL) 2 Southwest Airlines WN 264 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
14:30
Phoenix Sky Harbor (PHX) 4
19:25
Saint Louis (STL) 2 Southwest Airlines WN 264 1-stop Boeing 737-700 (Scimitar Winglets) 3:55 Effective 2026-02-20 through 2026-03-01 |
| Tue,Wed
15:10
Phoenix Sky Harbor (PHX) 4
22:20
Saint Louis (STL) 2 Southwest Airlines WN 449 1-stop Boeing 737 MAX 8 (7M8) 5:10 Effective 2026-03-10 through 2026-04-01 |
| Mon
17:25
Phoenix Sky Harbor (PHX) 4
00:05
Saint Louis (STL) 2 Southwest Airlines WN 715 1-stop Boeing 737-800 (73H) 5:40 Operates only on 2026-01-05 The flight arrives 1 day after departure. |
| Sat
14:55
Phoenix Sky Harbor (PHX) 4
19:55
Saint Louis (STL) 2 Southwest Airlines WN 1312 1-stop Boeing 737-700 (Scimitar Winglets) 4:00 Operates only on 2026-01-03 |
| Mon
08:00
Phoenix Sky Harbor (PHX) 4
14:00
Saint Louis (STL) 2 Southwest Airlines WN 2609 1-stop Boeing 737-800 (73H) 5:00 Operates only on 2026-01-05 |
| Sat
14:20
Phoenix Sky Harbor (PHX) 4
19:50
Saint Louis (STL) 2 Southwest Airlines WN 2705 1-stop Boeing 737 MAX 8 (7M8) 4:30 Valid until 2026-01-03 |
| Wed,Thu
12:05
Phoenix Sky Harbor (PHX) 4
17:15
Saint Louis (STL) 2 Southwest Airlines WN 2989 1-stop Boeing 737-700 (73W) 4:10 Valid until 2026-01-01 |
| Mon-Fri
12:05
Phoenix Sky Harbor (PHX) 4
17:10
Saint Louis (STL) 2 Southwest Airlines WN 2995 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-06 through 2026-01-14 |
| Tue-Fri,Sun
12:05
Phoenix Sky Harbor (PHX) 4
17:10
Saint Louis (STL) 2 Southwest Airlines WN 2995 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-18 through 2026-01-23 |
| Mon-Fri
12:05
Phoenix Sky Harbor (PHX) 4
17:10
Saint Louis (STL) 2 Southwest Airlines WN 2995 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-01-26 through 2026-02-04 |
| Tue,Wed,Sun
12:05
Phoenix Sky Harbor (PHX) 4
17:10
Saint Louis (STL) 2 Southwest Airlines WN 2995 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-08 through 2026-02-11 |
| Tue,Wed
12:05
Phoenix Sky Harbor (PHX) 4
17:10
Saint Louis (STL) 2 Southwest Airlines WN 2995 1-stop Boeing 737-700 (Scimitar Winglets) 4:05 Effective 2026-02-18 through 2026-03-04 |
| Sat
12:35
Phoenix Sky Harbor (PHX) 4
18:00
Saint Louis (STL) 2 Southwest Airlines WN 3016 1-stop Boeing 737-800 (73H) 4:25 Effective 2026-02-14 through 2026-02-28 |
| Mon,Thu,Fri
09:20
Phoenix Sky Harbor (PHX) 4
15:35
Saint Louis (STL) 2 Southwest Airlines WN 3331 1-stop Boeing 737-700 (Scimitar Winglets) 5:15 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
09:20
Phoenix Sky Harbor (PHX) 4
15:35
Saint Louis (STL) 2 Southwest Airlines WN 3331 1-stop Boeing 737-700 (Scimitar Winglets) 5:15 Effective 2026-02-20 through 2026-03-01 |
| Sat
14:25
Phoenix Sky Harbor (PHX) 4
19:55
Saint Louis (STL) 2 Southwest Airlines WN 3846 1-stop Boeing 737 MAX 8 (7M8) 4:30 Valid until 2026-01-03 |
| Tue,Wed
12:20
Phoenix Sky Harbor (PHX) 4
20:20
Saint Louis (STL) 2 Southwest Airlines WN 4101 1-stop Boeing 737-700 (Scimitar Winglets) 6:00 Effective 2026-04-07 through 2026-06-03 |
| Mon,Thu,Fri
14:30
Phoenix Sky Harbor (PHX) 4
22:10
Saint Louis (STL) 2 Southwest Airlines WN 3165 2-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2026-03-09 through 2026-04-06 |
| Thu,Fri
15:30
Phoenix Sky Harbor (PHX) 4
22:10
Saint Louis (STL) 2 Southwest Airlines WN 3165 2-stop Boeing 737-700 (Scimitar Winglets) 5:40 Effective 2026-03-05 through 2026-03-06 |
| Thu,Fri,Sun
10:25
Phoenix Sky Harbor (PHX) 4
17:55
Saint Louis (STL) 2 Southwest Airlines WN 4355 2-stop Boeing 737 MAX 8 (7M8) 6:30 Effective 2026-01-11 through 2026-01-16 |
- 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 3:15.
