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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 11:50 Austin (AUS) 14:28 Seattle-Tacoma (SEA)
WestJet WS 5410 Non-stop Boeing 737-800 (738) 4:38 Effective 2026-04-13 through 2026-04-24
Codeshare flight, operated by Delta Air Lines.(DL 1684)
Tue-Thu 11:50 Austin (AUS) 14:29 Seattle-Tacoma (SEA)
WestJet WS 6472 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-10-27 through 2026-10-29
Codeshare flight, operated by Delta Air Lines.(DL 396)
Mon,Fri-Sun 11:50 Austin (AUS) 14:29 Seattle-Tacoma (SEA)
WestJet WS 7037 Non-stop Boeing 737-800 (738) 4:39 Effective from 2026-10-09
Codeshare flight, operated by Delta Air Lines.(DL 396)
Mon-Fri,Sun 11:57 Austin (AUS) 14:35 Seattle-Tacoma (SEA)
WestJet WS 7037 Non-stop Airbus A319 (319) 4:38 Effective 2026-03-08 through 2026-03-13
Codeshare flight, operated by Delta Air Lines.(DL 396)
Mon-Fri,Sun 11:57 Austin (AUS) 14:37 Seattle-Tacoma (SEA)
WestJet WS 7037 Non-stop Airbus A319 (319) 4:40 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 396)
Sat 11:50 Austin (AUS) 14:28 Seattle-Tacoma (SEA)
WestJet WS 7226 Non-stop Boeing 737-800 (738) 4:38 Effective 2026-04-18 through 2026-04-25
Codeshare flight, operated by Delta Air Lines.(DL 1684)
Mon,Fri-Sun 11:50 Austin (AUS) 14:28 Seattle-Tacoma (SEA)
WestJet WS 7226 Non-stop Boeing 737-800 (738) 4:38 Effective 2026-04-26 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 1684)
Mon,Fri-Sun 06:00 Austin (AUS) 08:40 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Airbus A220-100 (221) 4:40 Effective 2026-03-08 through 2026-03-14
Codeshare flight, operated by Delta Air Lines.(DL 780)
Mon,Fri-Sun 06:00 Austin (AUS) 08:42 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Airbus A220-100 (221) 4:42 Effective 2026-03-15 through 2026-04-12
Codeshare flight, operated by Delta Air Lines.(DL 780)
Mon,Fri-Sun 06:05 Austin (AUS) 08:55 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Airbus A220-100 (221) 4:50 Valid until 2026-01-04
Codeshare flight, operated by Delta Air Lines.(DL 780)
Mon,Fri-Sun 06:10 Austin (AUS) 08:55 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Airbus A220-300 (223) 4:45 Effective 2026-02-13 through 2026-03-07
Codeshare flight, operated by Delta Air Lines.(DL 780)
Mon,Fri-Sun 06:10 Austin (AUS) 08:45 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Boeing 737-800 (738) 4:35 Effective 2026-04-13 through 2026-04-25
Codeshare flight, operated by Delta Air Lines.(DL 780)
Fri,Sun 06:10 Austin (AUS) 08:45 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Boeing 737-800 (738) 4:35 Effective 2026-05-15 through 2026-10-04
Codeshare flight, operated by Delta Air Lines.(DL 780)
Fri,Sun 06:10 Austin (AUS) 08:51 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Boeing 737-800 (738) 4:41 Effective 2026-10-09 through 2026-10-11
Codeshare flight, operated by Delta Air Lines.(DL 780)
Mon,Fri-Sun 06:10 Austin (AUS) 08:51 Seattle-Tacoma (SEA)
WestJet WS 8566 Non-stop Boeing 737-800 (738) 4:41 Effective from 2026-10-25
Codeshare flight, operated by Delta Air Lines.(DL 780)
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WestJet flights from Austin (AUS) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-04-13 through 2026-04-24
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1684)
Duration: 4:38, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-10-27 through 2026-10-29
Mon
-
Tue
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 396)
Duration: 4:39, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective from 2026-10-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 396)
Duration: 4:39, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-13
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 396)
Duration: 4:38, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 396)
Duration: 4:40, non-stop
Airbus A319 (319)

Direct Codeshare Flights:

Effective 2026-04-18 through 2026-04-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 1684)
Duration: 4:38, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-04-26 through 2026-10-05
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 1684)
Duration: 4:38, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-03-08 through 2026-03-14
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:40, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

Effective 2026-03-15 through 2026-04-12
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:42, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

Valid until 2026-01-04
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:50, non-stop
Airbus A220-100 (221)

Direct Codeshare Flights:

Effective 2026-02-13 through 2026-03-07
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:45, non-stop
Airbus A220-300 (223)

Direct Codeshare Flights:

Effective 2026-04-13 through 2026-04-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:35, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-05-15 through 2026-10-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:35, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective 2026-10-09 through 2026-10-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:41, non-stop
Boeing 737-800 (738)

Direct Codeshare Flights:

Effective from 2026-10-25
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 780)
Duration: 4:41, non-stop
Boeing 737-800 (738)
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Parallax here AUS-SEA
  • 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 4:35 and 4:50.