Alaska Airlines flights from Saint Louis (STL) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Tue 07:00 Saint Louis (STL) 1 09:31 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 (73J) 4:31 Operates only on 2024-11-26
Mon,Wed 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737-900 (739) 4:33 Effective 2024-11-27 through 2024-12-02
Sun 07:00 Saint Louis (STL) 1 09:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 (73J) 4:33 Operates only on 2024-12-01
Tue 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 MAX 9 (7M9) 4:34 Operates only on 2024-12-03
Daily 07:00 Saint Louis (STL) 1 09:34 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 (73J) 4:34 Effective 2024-12-04 through 2024-12-18
Daily 07:00 Saint Louis (STL) 1 09:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 (73J) 4:38 Effective 2024-12-19 through 2025-01-05
Daily 07:00 Saint Louis (STL) 1 09:26 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 (73J) 4:26 Effective from 2025-03-19
Daily 14:18 Saint Louis (STL) 1 17:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 503 Non-stop Boeing 737 (73J) 4:42 Effective 2025-02-13 through 2025-03-18
Daily 09:15 Saint Louis (STL) 1 11:57 Seattle-Tacoma (SEA)
Alaska Airlines AS 504 Non-stop Boeing 737 (73J) 4:42 Effective 2025-01-06 through 2025-03-18
Mon,Fri,Sun 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737-800 (73H) 4:24 Valid until 2024-09-01
Mon,Thu 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737 (73J) 4:24 Valid until 2024-09-05
Fri 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737-800 (73H) 4:24 Operates only on 2024-09-06
Mon,Thu,Fri,Sun 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737 (73J) 4:24 Effective 2024-09-08 through 2024-09-15
Mon 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737 MAX 8 (7M8) 4:24 Operates only on 2024-09-16
Thu,Sun 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737 (73J) 4:24 Effective 2024-09-19 through 2024-09-26
Mon,Fri 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737-800 (73H) 4:24 Effective 2024-09-20 through 2024-09-23
Fri,Sun 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737 (73J) 4:24 Effective 2024-09-27 through 2024-09-29
Mon 19:31 Saint Louis (STL) 1 21:55 Seattle-Tacoma (SEA)
Alaska Airlines AS 511 Non-stop Boeing 737-800 (73H) 4:24 Operates only on 2024-09-30
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Alaska Airlines flights from Saint Louis (STL) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Operates only on 2024-11-26
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:31, non-stop
Boeing 737 (73J)

Effective 2024-11-27 through 2024-12-02
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:33, non-stop
Boeing 737-900 (739)

Operates only on 2024-12-01
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:33, non-stop
Boeing 737 (73J)

Operates only on 2024-12-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:34, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-04 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:34, non-stop
Boeing 737 (73J)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:38, non-stop
Boeing 737 (73J)

Effective from 2025-03-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:26, non-stop
Boeing 737 (73J)

Effective 2025-02-13 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:42, non-stop
Boeing 737 (73J)

Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:42, non-stop
Boeing 737 (73J)

Valid until 2024-09-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:24, non-stop
Boeing 737-800 (73H)

Valid until 2024-09-05
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:24, non-stop
Boeing 737 (73J)

Operates only on 2024-09-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:24, non-stop
Boeing 737-800 (73H)

Effective 2024-09-08 through 2024-09-15
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:24, non-stop
Boeing 737 (73J)

Operates only on 2024-09-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:24, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-09-19 through 2024-09-26
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 4:24, non-stop
Boeing 737 (73J)

Effective 2024-09-20 through 2024-09-23
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:24, non-stop
Boeing 737-800 (73H)

Effective 2024-09-27 through 2024-09-29
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:24, non-stop
Boeing 737 (73J)

Operates only on 2024-09-30
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:24, non-stop
Boeing 737-800 (73H)
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  • A domestic route departing from the Saint Louis airport (STL) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1704 miles, or 2743 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 4:24 and 4:42.