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

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FLIGHT SCHEDULE
Direct Flights:
Mon,Thu-Sun 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-02-13 through 2026-03-01
Tue,Wed 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737-800 (73H) 4:45 Effective 2026-02-18 through 2026-02-25
Mon,Tue,Thu,Sun 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-03-02 through 2026-03-10
Wed 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-03-04
Wed-Fri 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-03-06 through 2026-03-12
Mon,Fri,Sat 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737 (73J) 4:45 Effective 2026-03-13 through 2026-03-16
Sun 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737-800 (73H) 4:45 Operates only on 2026-03-15
Tue 15:35 Austin (AUS) 18:20 Seattle-Tacoma (SEA) Alaska Airlines AS 503 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Operates only on 2026-03-17
Daily 13:34 Austin (AUS) 16:12 Seattle-Tacoma (SEA) Alaska Airlines AS 521 Non-stop Boeing 737 (73J) 4:38 Effective 2026-05-13 through 2026-06-09
Mon,Wed,Thu,Sun 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-01-07 through 2026-01-15
Tue,Fri,Sat 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:45 Effective 2026-01-09 through 2026-01-17
Tue-Sun 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:45 Effective 2026-01-18 through 2026-01-24
Mon,Sun 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-01-19 through 2026-01-26
Tue,Fri,Sat 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:45 Effective 2026-01-27 through 2026-02-03
Mon,Wed,Thu,Sun 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-01-28 through 2026-02-02
Wed,Fri,Sat 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:45 Effective 2026-02-04 through 2026-02-11
Mon,Tue,Thu,Sun 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-02-05 through 2026-02-12
Daily 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-02-13 through 2026-03-08
Mon-Wed,Fri,Sat 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737-800 (73H) 4:45 Effective 2026-03-09 through 2026-03-17
Thu,Sun 07:15 Austin (AUS) 10:00 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Effective 2026-03-12 through 2026-03-15
Daily 07:15 Austin (AUS) 09:46 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:31 Effective from 2026-06-10
Mon,Wed,Thu 07:40 Austin (AUS) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:45 Valid until 2026-01-05
Tue,Fri-Sun 07:40 Austin (AUS) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737-800 (73H) 4:45 Valid until 2026-01-04
Tue 07:40 Austin (AUS) 10:25 Seattle-Tacoma (SEA) Alaska Airlines AS 595 Non-stop Boeing 737 (73J) 4:45 Operates only on 2026-01-06
Tue 13:33 Austin (AUS) 16:20 Seattle-Tacoma (SEA) Alaska Airlines AS 600 Non-stop Boeing 737-800 (73H) 4:47 Operates only on 2026-01-06
Daily 08:00 Austin (AUS) 10:38 Seattle-Tacoma (SEA) Alaska Airlines AS 722 Non-stop Boeing 737 (73J) 4:38 Effective 2026-05-13 through 2026-06-09
Wed 18:59 Austin (AUS) 21:41 Seattle-Tacoma (SEA) Alaska Airlines AS 763 Non-stop Boeing 737 (73J) 4:42 Operates only on 2026-02-11
Daily 06:00 Austin (AUS) 08:40 Seattle-Tacoma (SEA) Delta Air Lines DL 780 Non-stop Airbus A220-100 (221) 4:40 Effective 2026-03-08 through 2026-03-14
Daily 06:00 Austin (AUS) 08:42 Seattle-Tacoma (SEA) Delta Air Lines DL 780 Non-stop Airbus A220-100 (221) 4:42 Effective 2026-03-15 through 2026-04-12
Daily 06:05 Austin (AUS) 08:55 Seattle-Tacoma (SEA) Delta Air Lines DL 780 Non-stop Airbus A220-100 (221) 4:50 Valid until 2026-01-04
Daily 06:10 Austin (AUS) 08:55 Seattle-Tacoma (SEA) Delta Air Lines DL 780 Non-stop Airbus A220-300 (223) 4:45 Effective 2026-02-13 through 2026-03-07
Daily 06:10 Austin (AUS) 08:45 Seattle-Tacoma (SEA) Delta Air Lines DL 780 Non-stop Boeing 737-800 (738) 4:35 Effective 2026-04-13 through 2026-10-05
Daily 06:10 Austin (AUS) 08:51 Seattle-Tacoma (SEA) Delta Air Lines DL 780 Non-stop Boeing 737-800 (738) 4:41 Effective from 2026-10-06
Daily 16:55 Austin (AUS) 19:38 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Airbus A220-300 (223) 4:43 Effective 2026-01-05 through 2026-03-07
Mon-Fri,Sun 18:06 Austin (AUS) 20:47 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Airbus A220-100 (221) 4:41 Effective 2026-03-08 through 2026-03-13
Mon-Fri,Sun 18:06 Austin (AUS) 20:49 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Airbus A220-100 (221) 4:43 Effective 2026-03-15 through 2026-04-12
Mon-Fri,Sun 18:08 Austin (AUS) 20:47 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-04-13 through 2026-05-22
Mon-Fri,Sun 18:08 Austin (AUS) 20:47 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-05-25 through 2026-09-04
Mon-Fri,Sun 18:08 Austin (AUS) 20:47 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-09-07 through 2026-10-05
Mon-Fri,Sun 18:08 Austin (AUS) 20:45 Seattle-Tacoma (SEA) Delta Air Lines DL 831 Non-stop Boeing 737-800 (738) 4:37 Effective from 2026-10-06
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
Daily 09:45 Austin (AUS) 12:13 Seattle-Tacoma (SEA) Alaska Airlines AS 1450 Non-stop Boeing 737 (73J) 4:28 Effective 2026-06-10 through 2026-08-18
Daily 11:50 Austin (AUS) 14:28 Seattle-Tacoma (SEA) Delta Air Lines DL 1684 Non-stop Boeing 737-800 (738) 4:38 Effective 2026-04-13 through 2026-10-05
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:
Mon 17:58 Austin (AUS) 00:56 Seattle-Tacoma (SEA) United Airlines UA 292 1-stop Boeing 737 MAX 8 (7M8) 8:58 Operates only on 2026-01-12 The flight arrives 1 day after departure.
Mon 17:58 Austin (AUS) 00:56 Seattle-Tacoma (SEA) United Airlines UA 292 1-stop Boeing 737 MAX 8 (7M8) 8:58 Effective 2026-01-26 through 2026-02-09 The flight arrives 1 day after departure.
Wed 17:58 Austin (AUS) 00:51 Seattle-Tacoma (SEA) United Airlines UA 292 1-stop Boeing 737 MAX 8 (7M8) 8:53 Operates only on 2026-01-28 The flight arrives 1 day after departure.

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Parallax here AUS-SEA

1 2 3 4 5 ... 7 8 9

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 4:50.

Return (SEA-AUS) flights

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

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FLIGHT SCHEDULE

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-02-13 through 2026-03-01

Mon

Tue
-

Wed
-

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-02-18 through 2026-02-25

Mon
-

Tue

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-04

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-03-06 through 2026-03-12

Mon
-

Tue
-

Wed

Thu

Fri

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Effective 2026-03-13 through 2026-03-16

Mon

Tue
-

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-15

Mon
-

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS503

15:35

Austin (AUS)

18:20

Seattle-Tacoma (SEA)

Operates only on 2026-03-17

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS521

13:34

Austin (AUS)

16:12

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-01-07 through 2026-01-15

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-01-09 through 2026-01-17

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-01-18 through 2026-01-24

Mon
-

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-01-19 through 2026-01-26

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-01-27 through 2026-02-03

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-01-28 through 2026-02-02

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-02-05 through 2026-02-12

Mon

Tue

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-02-13 through 2026-03-08

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

Effective 2026-03-09 through 2026-03-17

Mon

Tue

Wed

Thu
-

Fri

Sat

Sun
-

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

10:00

Seattle-Tacoma (SEA)

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

Mon
-

Tue
-

Wed
-

Thu

Fri
-

Sat
-

Sun

Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Alaska Airlines AS595

07:15

Austin (AUS)

09:46

Seattle-Tacoma (SEA)

Effective from 2026-06-10

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:31, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:40

Austin (AUS)

10:25

Seattle-Tacoma (SEA)

Valid until 2026-01-05

Mon

Tue
-

Wed

Thu

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS595

07:40

Austin (AUS)

10:25

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon
-

Tue

Wed
-

Thu
-

Fri

Sat

Sun

Duration: 4:45, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS595

07:40

Austin (AUS)

10:25

Seattle-Tacoma (SEA)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS600

13:33

Austin (AUS)

16:20

Seattle-Tacoma (SEA)

Operates only on 2026-01-06

Mon
-

Tue

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:47, non-stop
Boeing 737-800 (73H)

Direct Flights:

Alaska Airlines AS722

08:00

Austin (AUS)

10:38

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Boeing 737 (73J)

Direct Flights:

Alaska Airlines AS763

18:59

Austin (AUS)

21:41

Seattle-Tacoma (SEA)

Operates only on 2026-02-11

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 4:42, non-stop
Boeing 737 (73J)

Direct Flights:

Delta Air Lines DL780

06:00

Austin (AUS)

08:40

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:40, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL780

06:00

Austin (AUS)

08:42

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:42, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL780

06:05

Austin (AUS)

08:55

Seattle-Tacoma (SEA)

Valid until 2026-01-04

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:50, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL780

06:10

Austin (AUS)

08:55

Seattle-Tacoma (SEA)

Effective 2026-02-13 through 2026-03-07

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:45, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL780

06:10

Austin (AUS)

08:45

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:35, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL780

06:10

Austin (AUS)

08:51

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:41, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

16:55

Austin (AUS)

19:38

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:43, non-stop
Airbus A220-300 (223)

Direct Flights:

Delta Air Lines DL831

18:06

Austin (AUS)

20:47

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:41, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL831

18:06

Austin (AUS)

20:49

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:43, non-stop
Airbus A220-100 (221)

Direct Flights:

Delta Air Lines DL831

18:08

Austin (AUS)

20:47

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:39, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

18:08

Austin (AUS)

20:47

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:39, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

18:08

Austin (AUS)

20:47

Seattle-Tacoma (SEA)

Effective 2026-09-07 through 2026-10-05

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:39, non-stop
Boeing 737-800 (738)

Direct Flights:

Delta Air Lines DL831

18:08

Austin (AUS)

20:45

Seattle-Tacoma (SEA)

Effective from 2026-10-06

Mon

Tue

Wed

Thu

Fri

Sat
-

Sun

Duration: 4:37, non-stop
Boeing 737-800 (738)

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:

Alaska Airlines AS1450

09:45

Austin (AUS)

12:13

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:28, non-stop
Boeing 737 (73J)

Direct Flights:

Delta Air Lines DL1684

11:50

Austin (AUS)

14:28

Seattle-Tacoma (SEA)

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

Mon

Tue

Wed

Thu

Fri

Sat

Sun

Duration: 4:38, non-stop
Boeing 737-800 (738)

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:

United Airlines UA292

17:58

Austin (AUS)

00:56(+1)

Seattle-Tacoma (SEA)

Operates only on 2026-01-12

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:58, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA292

17:58

Austin (AUS)

00:56(+1)

Seattle-Tacoma (SEA)

Effective 2026-01-26 through 2026-02-09

Mon

Tue
-

Wed
-

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:58, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

Non-Direct Flights:

United Airlines UA292

17:58

Austin (AUS)

00:51(+1)

Seattle-Tacoma (SEA)

Operates only on 2026-01-28

Mon
-

Tue
-

Wed

Thu
-

Fri
-

Sat
-

Sun
-

Duration: 8:53, 1-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.

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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 4:50.

Return (SEA-AUS) flights

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