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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Sat 08:20 Seattle-Tacoma (SEA) 14:30 Austin (AUS)
Southwest Airlines WN 1936 Non-stop Boeing 737 MAX 8 (7M8) 4:10 Effective 2026-06-06 through 2026-08-01
Sun 11:35 Seattle-Tacoma (SEA) 17:50 Austin (AUS)
Southwest Airlines WN 4506 Non-stop Boeing 737-800 (73H) 4:15 Effective 2026-08-09 through 2026-09-27
Mon,Thu,Fri 12:35 Seattle-Tacoma (SEA) 18:45 Austin (AUS)
Southwest Airlines WN 4506 Non-stop Boeing 737-800 (73H) 4:10 Effective 2026-08-06 through 2026-09-28
Tue,Wed 14:00 Seattle-Tacoma (SEA) 20:15 Austin (AUS)
Southwest Airlines WN 4506 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-08-04 through 2026-09-30
Sat 15:00 Seattle-Tacoma (SEA) 21:00 Austin (AUS)
Southwest Airlines WN 4506 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective 2026-08-08 through 2026-09-26
Tue,Wed 11:10 Seattle-Tacoma (SEA) 17:15 Austin (AUS)
Southwest Airlines WN 4956 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-06-09 through 2026-07-29
Sun 13:10 Seattle-Tacoma (SEA) 19:15 Austin (AUS)
Southwest Airlines WN 4956 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Effective 2026-06-07 through 2026-08-02
Mon,Thu,Fri 13:50 Seattle-Tacoma (SEA) 20:05 Austin (AUS)
Southwest Airlines WN 4956 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Effective 2026-06-04 through 2026-08-03
Non-Direct Flights:
Sun 12:45 Seattle-Tacoma (SEA) 21:00 Austin (AUS)
Southwest Airlines WN 336 1-stop Boeing 737-700 (Scimitar Winglets) 6:15 Effective 2026-06-07 through 2026-08-02
Tue,Wed 16:25 Seattle-Tacoma (SEA) 00:15 Austin (AUS)
Southwest Airlines WN 365 1-stop Boeing 737-800 (73H) 5:50 Effective 2026-03-10 through 2026-04-01
The flight arrives 1 day after departure.
Sun 11:20 Seattle-Tacoma (SEA) 19:25 Austin (AUS)
Southwest Airlines WN 1472 1-stop Boeing 737-800 (73H) 6:05 Operates only on 2026-05-24
Sun 06:15 Seattle-Tacoma (SEA) 14:00 Austin (AUS)
Southwest Airlines WN 3936 1-stop Boeing 737-800 (73H) 5:45 Effective 2026-04-12 through 2026-05-17
Sun 06:15 Seattle-Tacoma (SEA) 14:00 Austin (AUS)
Southwest Airlines WN 3936 1-stop Boeing 737-800 (73H) 5:45 Operates only on 2026-05-31
Fri,Sun 13:25 Seattle-Tacoma (SEA) 22:40 Austin (AUS)
Southwest Airlines WN 224 2-stop Boeing 737-700 (Scimitar Winglets) 7:15 Effective 2026-01-02 through 2026-01-04
Tue,Wed 10:55 Seattle-Tacoma (SEA) 20:00 Austin (AUS)
Southwest Airlines WN 882 2-stop Boeing 737-700 (Scimitar Winglets) 7:05 Effective 2026-06-09 through 2026-07-29
Mon,Thu,Fri 06:30 Seattle-Tacoma (SEA) 16:05 Austin (AUS)
Southwest Airlines WN 1821 2-stop Boeing 737-700 (Scimitar Winglets) 7:35 Effective 2026-02-12 through 2026-02-16
Thu,Fri,Sun 06:30 Seattle-Tacoma (SEA) 16:05 Austin (AUS)
Southwest Airlines WN 1821 2-stop Boeing 737-700 (Scimitar Winglets) 7:35 Effective 2026-02-20 through 2026-03-01




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Southwest Airlines flights from Seattle-Tacoma (SEA) to Austin (AUS).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Southwest Airlines WN1936
08:20
Seattle-Tacoma (SEA)

14:30
Austin (AUS)
Effective 2026-06-06 through 2026-08-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:10, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4506
11:35
Seattle-Tacoma (SEA)

17:50
Austin (AUS)
Effective 2026-08-09 through 2026-09-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:15, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4506
12:35
Seattle-Tacoma (SEA)

18:45
Austin (AUS)
Effective 2026-08-06 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:10, non-stop
Boeing 737-800 (73H)
Direct Flights:
Southwest Airlines WN4506
14:00
Seattle-Tacoma (SEA)

20:15
Austin (AUS)
Effective 2026-08-04 through 2026-09-30
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4506
15:00
Seattle-Tacoma (SEA)

21:00
Austin (AUS)
Effective 2026-08-08 through 2026-09-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4956
11:10
Seattle-Tacoma (SEA)

17:15
Austin (AUS)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4956
13:10
Seattle-Tacoma (SEA)

19:15
Austin (AUS)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
Direct Flights:
Southwest Airlines WN4956
13:50
Seattle-Tacoma (SEA)

20:05
Austin (AUS)
Effective 2026-06-04 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
Non-Direct Flights:
Southwest Airlines WN336
12:45
Seattle-Tacoma (SEA)

21:00
Austin (AUS)
Effective 2026-06-07 through 2026-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:15, 1-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN365
16:25
Seattle-Tacoma (SEA)

00:15(+1)
Austin (AUS)
Effective 2026-03-10 through 2026-04-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:50, 1-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.
Non-Direct Flights:
Southwest Airlines WN1472
11:20
Seattle-Tacoma (SEA)

19:25
Austin (AUS)
Operates only on 2026-05-24
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:05, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3936
06:15
Seattle-Tacoma (SEA)

14:00
Austin (AUS)
Effective 2026-04-12 through 2026-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN3936
06:15
Seattle-Tacoma (SEA)

14:00
Austin (AUS)
Operates only on 2026-05-31
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:45, 1-stop
Boeing 737-800 (73H)
Non-Direct Flights:
Southwest Airlines WN224
13:25
Seattle-Tacoma (SEA)

22:40
Austin (AUS)
Effective 2026-01-02 through 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 7:15, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN882
10:55
Seattle-Tacoma (SEA)

20:00
Austin (AUS)
Effective 2026-06-09 through 2026-07-29
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 7:05, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1821
06:30
Seattle-Tacoma (SEA)

16:05
Austin (AUS)
Effective 2026-02-12 through 2026-02-16
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 7:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
Non-Direct Flights:
Southwest Airlines WN1821
06:30
Seattle-Tacoma (SEA)

16:05
Austin (AUS)
Effective 2026-02-20 through 2026-03-01
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 7:35, 2-stop
Boeing 737-700 (Scimitar Winglets)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Austin airport (AUS).
  • The flight distance is 1768 miles, or 2845 km.
  • The timezone of the departure airport is UTC-8 , 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 4:00 and 4:15.
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