Southwest Airlines flights from Austin (AUS) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue,Wed 13:40 Austin (AUS) 16:00 Seattle-Tacoma (SEA)
Southwest Airlines WN 389 Non-stop Boeing 737-700 (Scimitar Winglets) 4:20 Effective 2026-06-09 through 2026-07-29
Sun 13:00 Austin (AUS) 15:20 Seattle-Tacoma (SEA)
Southwest Airlines WN 393 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 14:20 Austin (AUS) 16:40 Seattle-Tacoma (SEA)
Southwest Airlines WN 393 Non-stop Boeing 737 MAX 8 (7M8) 4:20 Effective 2026-06-04 through 2026-08-03
Sat 18:30 Austin (AUS) 20:55 Seattle-Tacoma (SEA)
Southwest Airlines WN 933 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-06-06 through 2026-08-01
Sat 14:25 Austin (AUS) 16:50 Seattle-Tacoma (SEA)
Southwest Airlines WN 4459 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-08-08 through 2026-09-26
Sun 15:20 Austin (AUS) 17:45 Seattle-Tacoma (SEA)
Southwest Airlines WN 4459 Non-stop Boeing 737-800 (73H) 4:25 Effective 2026-08-09 through 2026-09-27
Tue,Wed 16:25 Austin (AUS) 18:50 Seattle-Tacoma (SEA)
Southwest Airlines WN 4459 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-08-04 through 2026-09-30
Mon,Thu,Fri 19:20 Austin (AUS) 21:45 Seattle-Tacoma (SEA)
Southwest Airlines WN 4459 Non-stop Boeing 737 MAX 8 (7M8) 4:25 Effective 2026-08-06 through 2026-09-28
Non-Direct Flights:
Sun 16:35 Austin (AUS) 21:00 Seattle-Tacoma (SEA)
Southwest Airlines WN 1571 1-stop Boeing 737 MAX 8 (7M8) 6:25 Effective 2026-03-08 through 2026-04-05
Tue,Wed 14:10 Austin (AUS) 20:20 Seattle-Tacoma (SEA)
Southwest Airlines WN 1080 2-stop Boeing 737-700 (Scimitar Winglets) 8:10 Effective 2026-04-07 through 2026-06-03
Fri,Sun 12:40 Austin (AUS) 19:10 Seattle-Tacoma (SEA)
Southwest Airlines WN 2848 2-stop Boeing 737-700 (Scimitar Winglets) 8:30 Effective 2026-01-02 through 2026-01-04




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Southwest Airlines flights from Austin (AUS) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN389
13:40
Austin (AUS)

16:00
Seattle-Tacoma (SEA)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737-700 (Scimitar Winglets)
Direct Flights:
Southwest Airlines WN393
13:00
Austin (AUS)

15:20
Seattle-Tacoma (SEA)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN393
14:20
Austin (AUS)

16:40
Seattle-Tacoma (SEA)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:20, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN933
18:30
Austin (AUS)

20:55
Seattle-Tacoma (SEA)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4459
14:25
Austin (AUS)

16:50
Seattle-Tacoma (SEA)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4459
15:20
Austin (AUS)

17:45
Seattle-Tacoma (SEA)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:25, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4459
16:25
Austin (AUS)

18:50
Seattle-Tacoma (SEA)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4459
19:20
Austin (AUS)

21:45
Seattle-Tacoma (SEA)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:25, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1571
16:35
Austin (AUS)

21:00
Seattle-Tacoma (SEA)
Effective 2026-03-08 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:25, 1-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN1080
14:10
Austin (AUS)

20:20
Seattle-Tacoma (SEA)
Effective 2026-04-07 through 2026-06-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 8:10, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN2848
12:40
Austin (AUS)

19:10
Seattle-Tacoma (SEA)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 8:30, 2-stop
Boeing 737-700 (Scimitar Winglets)
  • A domestic route departing from the Austin airport (AUS) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1768 miles, or 2845 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-8 . 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 4:20 and 4:25.
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