All airlines flying from Seattle-Tacoma (SEA) to Austin (AUS).

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FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Sun 09:10 Seattle-Tacoma (SEA) 15:15 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 (73J) 4:05 Valid until 2026-01-06
Wed,Sat 09:10 Seattle-Tacoma (SEA) 15:15 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737-800 (73H) 4:05 Valid until 2026-01-03
Tue,Wed,Sat,Sun 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-01-07 through 2026-01-14
Thu,Fri 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 (73J) 4:05 Effective 2026-01-08 through 2026-01-15
Mon,Fri 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-01-12 through 2026-01-30
Tue-Thu,Sat 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 (73J) 4:05 Effective 2026-01-17 through 2026-01-22
Sat,Sun 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-01-18 through 2026-01-25
Tue-Thu,Sat,Sun 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-01-27 through 2026-02-01
Mon 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737-800 (73H) 4:05 Effective 2026-02-02 through 2026-02-09
Tue,Thu,Sun 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 (73J) 4:05 Effective 2026-02-03 through 2026-02-10
Wed,Sat 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 MAX 9 (7M9) 4:05 Effective 2026-02-04 through 2026-02-11
Fri 09:49 Seattle-Tacoma (SEA) 15:54 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Operates only on 2026-02-06
Daily 11:44 Seattle-Tacoma (SEA) 17:59 Austin (AUS) Alaska Airlines AS 502 Non-stop Boeing 737 (73J) 4:15 Effective 2026-05-13 through 2026-06-09
Daily 17:52 Seattle-Tacoma (SEA) 23:59 Austin (AUS) Alaska Airlines AS 526 Non-stop Boeing 737 (73J) 4:07 Effective 2026-05-13 through 2026-06-09
Sat 11:49 Seattle-Tacoma (SEA) 18:00 Austin (AUS) Alaska Airlines AS 722 Non-stop Boeing 737 (73J) 4:11 Operates only on 2026-03-07
Mon-Fri,Sun 07:20 Seattle-Tacoma (SEA) 13:29 Austin (AUS) Delta Air Lines DL 739 Non-stop Airbus A319 (319) 4:09 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 07:20 Seattle-Tacoma (SEA) 13:30 Austin (AUS) Delta Air Lines DL 739 Non-stop Airbus A319 (319) 4:10 Effective 2026-03-15 through 2026-04-12
Daily 07:20 Seattle-Tacoma (SEA) 13:33 Austin (AUS) Delta Air Lines DL 739 Non-stop Boeing 737-800 (738) 4:13 Effective 2026-04-13 through 2026-10-05
Daily 07:20 Seattle-Tacoma (SEA) 13:36 Austin (AUS) Delta Air Lines DL 739 Non-stop Boeing 737-800 (738) 4:16 Effective from 2026-10-06
Daily 09:35 Seattle-Tacoma (SEA) 16:00 Austin (AUS) Delta Air Lines DL 831 Non-stop Airbus A220-300 (223) 4:25 Effective 2026-01-05 through 2026-03-07
Wed,Thu 10:25 Seattle-Tacoma (SEA) 16:42 Austin (AUS) Delta Air Lines DL 831 Non-stop Airbus A220-100 (221) 4:17 Valid until 2026-01-01
Mon,Tue,Fri-Sun 10:40 Seattle-Tacoma (SEA) 16:52 Austin (AUS) Delta Air Lines DL 831 Non-stop Airbus A220-300 (223) 4:12 Valid until 2026-01-04
Mon-Fri,Sun 11:00 Seattle-Tacoma (SEA) 17:13 Austin (AUS) Delta Air Lines DL 831 Non-stop Airbus A220-100 (221) 4:13 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 11:00 Seattle-Tacoma (SEA) 17:14 Austin (AUS) Delta Air Lines DL 831 Non-stop Airbus A220-100 (221) 4:14 Effective 2026-03-15 through 2026-04-12
Mon-Fri,Sun 11:15 Seattle-Tacoma (SEA) 17:27 Austin (AUS) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-04-13 through 2026-05-22
Mon-Fri,Sun 11:15 Seattle-Tacoma (SEA) 17:27 Austin (AUS) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:12 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 11:15 Seattle-Tacoma (SEA) 17:27 Austin (AUS) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:12 Effective from 2026-09-07
Daily 17:45 Seattle-Tacoma (SEA) 23:52 Austin (AUS) Delta Air Lines DL 848 Non-stop Airbus A220-100 (221) 4:07 Effective 2026-03-08 through 2026-03-14
Daily 17:45 Seattle-Tacoma (SEA) 23:53 Austin (AUS) Delta Air Lines DL 848 Non-stop Airbus A220-100 (221) 4:08 Effective 2026-03-15 through 2026-04-12
Daily 17:45 Seattle-Tacoma (SEA) 23:56 Austin (AUS) Delta Air Lines DL 848 Non-stop Boeing 737-800 (738) 4:11 Effective 2026-04-13 through 2026-10-05
Daily 17:45 Seattle-Tacoma (SEA) 23:54 Austin (AUS) Delta Air Lines DL 848 Non-stop Boeing 737-800 (738) 4:09 Effective from 2026-10-06
Daily 17:50 Seattle-Tacoma (SEA) 23:56 Austin (AUS) Delta Air Lines DL 848 Non-stop Airbus A220-300 (223) 4:06 Effective 2026-02-12 through 2026-03-07
Mon,Tue,Fri-Sun 17:53 Seattle-Tacoma (SEA) 23:59 Austin (AUS) Delta Air Lines DL 848 Non-stop Airbus A220-100 (221) 4:06 Valid until 2026-01-04
Daily 23:59 Seattle-Tacoma (SEA) 06:05 Austin (AUS) Alaska Airlines AS 1347 Non-stop Boeing 737 (73J) 4:06 Effective 2026-05-13 through 2026-06-09 The flight arrives 1 day after departure.
Daily 23:59 Seattle-Tacoma (SEA) 06:09 Austin (AUS) Alaska Airlines AS 1449 Non-stop Boeing 737 (73J) 4:10 Effective 2026-06-10 through 2026-08-18 The flight arrives 1 day after departure.
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

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Parallax here SEA-AUS

1 2 3 4 5 6 7

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 3:59 and 4:27.

Return (AUS-SEA) flights

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All airlines flying from Seattle-Tacoma (SEA) to Austin (AUS).

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS502

09:10

Seattle-Tacoma (SEA)

15:15

Austin (AUS)

Valid until 2026-01-06

Mon

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS502

09:10

Seattle-Tacoma (SEA)

15:15

Austin (AUS)

Valid until 2026-01-03

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-01-07 through 2026-01-14

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-01-08 through 2026-01-15

Mon
-

Tue
-

Wed
-

Thu

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-01-12 through 2026-01-30

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-01-17 through 2026-01-22

Mon
-

Tue

Wed

Thu

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-01-18 through 2026-01-25

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-01-27 through 2026-02-01

Mon
-

Tue

Wed

Thu

Fri
-

Sat

Sun

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-02-02 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-02-03 through 2026-02-10

Mon
-

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:05, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Effective 2026-02-04 through 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS502

09:49

Seattle-Tacoma (SEA)

15:54

Austin (AUS)

Operates only on 2026-02-06

Mon
-

Tue
-

Wed
-

Thu
-

Fri

Sat
-

Sun
-

Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Alaska Airlines AS502

11:44

Seattle-Tacoma (SEA)

17:59

Austin (AUS)

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:15, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS526

17:52

Seattle-Tacoma (SEA)

23:59

Austin (AUS)

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:07, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS722

11:49

Seattle-Tacoma (SEA)

18:00

Austin (AUS)

Operates only on 2026-03-07

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat

Sun
-

Duration: 4:11, non-stop
Boeing 737 (73J)

Direct Flights:

Delta Air Lines DL739

07:20

Seattle-Tacoma (SEA)

13:29

Austin (AUS)

Effective 2026-03-08 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:09, non-stop
Airbus A319 (319)

Direct Flights:

Delta Air Lines DL739

07:20

Seattle-Tacoma (SEA)

13:30

Austin (AUS)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:10, non-stop
Airbus A319 (319)

Direct Flights:

Delta Air Lines DL739

07:20

Seattle-Tacoma (SEA)

13:33

Austin (AUS)

Effective 2026-04-13 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:13, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL739

07:20

Seattle-Tacoma (SEA)

13:36

Austin (AUS)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:16, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

09:35

Seattle-Tacoma (SEA)

16:00

Austin (AUS)

Effective 2026-01-05 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:25, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL831

10:25

Seattle-Tacoma (SEA)

16:42

Austin (AUS)

Valid until 2026-01-01

Mon
-

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:17, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL831

10:40

Seattle-Tacoma (SEA)

16:52

Austin (AUS)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 4:12, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL831

11:00

Seattle-Tacoma (SEA)

17:13

Austin (AUS)

Effective 2026-03-08 through 2026-03-13

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:13, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL831

11:00

Seattle-Tacoma (SEA)

17:14

Austin (AUS)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:14, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL831

11:15

Seattle-Tacoma (SEA)

17:27

Austin (AUS)

Effective 2026-04-13 through 2026-05-22

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:12, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

11:15

Seattle-Tacoma (SEA)

17:27

Austin (AUS)

Effective 2026-05-25 through 2026-09-04

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:12, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

11:15

Seattle-Tacoma (SEA)

17:27

Austin (AUS)

Effective from 2026-09-07

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:12, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL848

17:45

Seattle-Tacoma (SEA)

23:52

Austin (AUS)

Effective 2026-03-08 through 2026-03-14

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:07, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL848

17:45

Seattle-Tacoma (SEA)

23:53

Austin (AUS)

Effective 2026-03-15 through 2026-04-12

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:08, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL848

17:45

Seattle-Tacoma (SEA)

23:56

Austin (AUS)

Effective 2026-04-13 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:11, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL848

17:45

Seattle-Tacoma (SEA)

23:54

Austin (AUS)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:09, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL848

17:50

Seattle-Tacoma (SEA)

23:56

Austin (AUS)

Effective 2026-02-12 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:06, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL848

17:53

Seattle-Tacoma (SEA)

23:59

Austin (AUS)

Valid until 2026-01-04

Mon

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 4:06, non-stop
Airbus A220-100 (221)

Direct Flights:

Alaska Airlines AS1347

23:59

Seattle-Tacoma (SEA)

06:05(+1)

Austin (AUS)

Effective 2026-05-13 through 2026-06-09

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:06, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Direct Flights:

Alaska Airlines AS1449

23:59

Seattle-Tacoma (SEA)

06:09(+1)

Austin (AUS)

Effective 2026-06-10 through 2026-08-18

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:10, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

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)

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Parallax here SEA-AUS

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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 3:59 and 4:27.

Return (AUS-SEA) flights

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