Southwest Airlines flights from Seattle-Tacoma (SEA) to Phoenix Sky Harbor (PHX).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Mon
05:00
Seattle-Tacoma (SEA)
08:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 1895 Non-stop Boeing 737-800 (73H) 2:45 Operates only on 2026-03-02 |
| Sat
07:00
Seattle-Tacoma (SEA)
10:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 1895 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-01-10 through 2026-02-07 |
| Sun
14:25
Seattle-Tacoma (SEA)
17:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 1975 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-24 |
| Sat
11:40
Seattle-Tacoma (SEA)
15:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2144 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-01-10 through 2026-02-07 |
| Sat
13:20
Seattle-Tacoma (SEA)
17:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2273 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-03-07 |
| Sat
13:20
Seattle-Tacoma (SEA)
16:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2273 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-14 through 2026-04-04 |
| Sat
19:45
Seattle-Tacoma (SEA)
22:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2550 Non-stop Boeing 737-700 (Scimitar Winglets) 3:00 Effective 2026-06-06 through 2026-08-01 |
| Thu,Fri
13:20
Seattle-Tacoma (SEA)
17:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2581 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-05 through 2026-03-06 |
| Mon,Thu,Fri
13:20
Seattle-Tacoma (SEA)
16:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2581 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-03-09 through 2026-04-06 |
| Tue,Wed
06:45
Seattle-Tacoma (SEA)
09:30
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2590 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-03-10 through 2026-04-01 |
| Sun
19:35
Seattle-Tacoma (SEA)
22:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2729 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-05-24 |
| Sun
20:50
Seattle-Tacoma (SEA)
23:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2729 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-12 through 2026-05-17 |
| Sun
20:50
Seattle-Tacoma (SEA)
23:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 2729 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-31 |
| Mon,Thu,Fri
06:30
Seattle-Tacoma (SEA)
09:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3001 Non-stop Boeing 737-700 (Scimitar Winglets) 2:45 Effective 2026-06-04 through 2026-08-03 |
| Sun
07:35
Seattle-Tacoma (SEA)
10:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3091 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-05-24 |
| Tue,Wed
14:00
Seattle-Tacoma (SEA)
17:05
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3190 Non-stop Boeing 737-800 (73H) 3:05 Effective 2026-06-09 through 2026-07-29 |
| Sat
15:00
Seattle-Tacoma (SEA)
17:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3354 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-06-06 through 2026-08-01 |
| Mon,Thu,Fri
17:20
Seattle-Tacoma (SEA)
20:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3354 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-06-04 through 2026-08-03 |
| Sat
05:00
Seattle-Tacoma (SEA)
07:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3536 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-08-08 through 2026-09-26 |
| Sun
06:00
Seattle-Tacoma (SEA)
08:50
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3536 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-08-09 through 2026-09-27 |
| Mon,Thu,Fri
06:15
Seattle-Tacoma (SEA)
09:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3536 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-08-06 through 2026-09-28 |
| Mon,Thu,Fri
14:05
Seattle-Tacoma (SEA)
17:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3537 Non-stop Boeing 737 MAX 8 (7M8) 3:05 Effective 2026-08-06 through 2026-09-28 |
| Sun
21:25
Seattle-Tacoma (SEA)
00:20
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3537 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-08-09 through 2026-09-27 The flight arrives 1 day after departure. |
| Sat
11:25
Seattle-Tacoma (SEA)
14:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3590 Non-stop Boeing 737-800 (73H) 3:00 Effective 2026-08-08 through 2026-09-26 |
| Mon,Thu,Fri
11:10
Seattle-Tacoma (SEA)
14:05
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3623 Non-stop Boeing 737 MAX 8 (7M8) 2:55 Effective 2026-06-04 through 2026-08-03 |
| Mon,Thu,Fri
19:10
Seattle-Tacoma (SEA)
22:05
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3647 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-06-04 through 2026-08-03 |
| Sat
08:55
Seattle-Tacoma (SEA)
12:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3652 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-14 through 2026-02-28 |
| Tue,Wed
15:00
Seattle-Tacoma (SEA)
17:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3710 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-03-10 through 2026-04-01 |
| Sun
14:50
Seattle-Tacoma (SEA)
17:45
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3742 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-06-07 through 2026-08-02 |
| Sat
10:35
Seattle-Tacoma (SEA)
14:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3800 Non-stop Boeing 737-800 (73H) 2:50 Valid until 2026-01-03 |
| Mon,Tue,Fri,Sun
10:45
Seattle-Tacoma (SEA)
14:35
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3800 Non-stop Boeing 737-800 (73H) 2:50 Valid until 2026-01-04 |
| Mon
10:50
Seattle-Tacoma (SEA)
14:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3800 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-01-05 |
| Sun
06:15
Seattle-Tacoma (SEA)
09:05
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3936 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-12 through 2026-05-17 |
| Sun
06:15
Seattle-Tacoma (SEA)
09:05
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3936 Non-stop Boeing 737-800 (73H) 2:50 Operates only on 2026-05-31 |
| Mon,Thu,Fri
06:30
Seattle-Tacoma (SEA)
09:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3936 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-04-09 through 2026-06-01 |
| Sat
06:40
Seattle-Tacoma (SEA)
09:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3936 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-04-11 through 2026-05-30 |
| Tue,Wed
06:50
Seattle-Tacoma (SEA)
09:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 3936 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-04-07 through 2026-06-03 |
| Mon,Thu,Fri
05:15
Seattle-Tacoma (SEA)
09:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4010 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-12 through 2026-02-16 |
| Sat
05:15
Seattle-Tacoma (SEA)
09:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4010 Non-stop Boeing 737-800 (73H) 2:45 Effective 2026-02-14 through 2026-02-28 |
| Thu,Fri,Sun
05:15
Seattle-Tacoma (SEA)
09:00
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4010 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Effective 2026-02-20 through 2026-03-01 |
| Mon,Thu,Fri
18:25
Seattle-Tacoma (SEA)
22:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4011 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-12 through 2026-02-16 |
| Thu,Fri,Sun
18:25
Seattle-Tacoma (SEA)
22:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4011 Non-stop Boeing 737-800 (73H) 2:50 Effective 2026-02-20 through 2026-03-01 |
| Sat
11:45
Seattle-Tacoma (SEA)
15:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4052 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-02-14 through 2026-02-28 |
| Mon,Thu,Fri
20:20
Seattle-Tacoma (SEA)
23:15
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4083 Non-stop Boeing 737-700 (Scimitar Winglets) 2:55 Effective 2026-08-06 through 2026-09-28 |
| Sat
16:55
Seattle-Tacoma (SEA)
20:40
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4121 Non-stop Boeing 737 MAX 8 (7M8) 2:45 Valid until 2026-01-03 |
| Sat
13:20
Seattle-Tacoma (SEA)
16:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4200 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-11 through 2026-05-30 |
| Tue,Wed
14:20
Seattle-Tacoma (SEA)
17:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4200 Non-stop Boeing 737-700 (Scimitar Winglets) 2:50 Effective 2026-04-07 through 2026-06-03 |
| Sun
14:35
Seattle-Tacoma (SEA)
17:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4200 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Effective 2026-04-12 through 2026-05-17 |
| Sun
14:35
Seattle-Tacoma (SEA)
17:25
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4200 Non-stop Boeing 737 MAX 8 (7M8) 2:50 Operates only on 2026-05-31 |
| Mon,Thu,Fri
18:15
Seattle-Tacoma (SEA)
21:10
Phoenix Sky Harbor (PHX) 4 Southwest Airlines WN 4200 Non-stop Boeing 737-800 (73H) 2:55 Effective 2026-04-09 through 2026-06-01 |
- A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Phoenix Sky Harbor airport (PHX).
- The flight distance is 1106 miles, or 1781 km.
- The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-7 . 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 3:10.
