Alaska Airlines flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 18:50 Chicago O'Hare (ORD) 2 21:41 Seattle-Tacoma (SEA)
Alaska Airlines AS 409 Non-stop Boeing 737 (73J) 4:51 Operates only on 2026-03-18
Daily 18:50 Chicago O'Hare (ORD) 2 21:34 Seattle-Tacoma (SEA)
Alaska Airlines AS 409 Non-stop Boeing 737 (73J) 4:44 Effective 2026-03-19 through 2026-05-12
Daily 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Alaska Airlines AS 409 Non-stop Boeing 737 (73J) 4:44 Effective from 2026-06-10
Daily 19:51 Chicago O'Hare (ORD) 2 22:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 427 Non-stop Boeing 737 (73J) 4:39 Effective 2026-05-13 through 2026-06-09
Daily 17:00 Chicago O'Hare (ORD) 2 19:41 Seattle-Tacoma (SEA)
Alaska Airlines AS 584 Non-stop Boeing 737 (73J) 4:41 Effective 2026-04-22 through 2026-05-12
Daily 06:00 Chicago O'Hare (ORD) 2 08:27 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:27 Effective 2026-05-13 through 2026-06-09
Daily 07:00 Chicago O'Hare (ORD) 2 09:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:51 Effective 2026-02-12 through 2026-03-10
Wed 07:00 Chicago O'Hare (ORD) 2 09:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 MAX 9 (7M9) 4:51 Operates only on 2026-03-11
Mon,Tue,Thu-Sun 07:00 Chicago O'Hare (ORD) 2 09:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:51 Effective 2026-03-12 through 2026-03-17
Daily 07:00 Chicago O'Hare (ORD) 2 09:39 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:39 Effective 2026-03-19 through 2026-05-12
Wed 07:45 Chicago O'Hare (ORD) 2 10:36 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:51 Operates only on 2026-03-18
Mon,Tue,Fri,Sat 08:00 Chicago O'Hare (ORD) 2 10:47 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:47 Valid until 2026-01-06
Sun 08:00 Chicago O'Hare (ORD) 2 10:47 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 MAX 9 (7M9) 4:47 Operates only on 2026-01-04
Daily 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:46 Effective 2026-01-07 through 2026-01-14
Mon,Thu,Fri 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 MAX 9 (7M9) 4:46 Effective 2026-01-15 through 2026-01-22
Tue,Wed,Fri-Sun 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:46 Effective 2026-01-17 through 2026-01-25
Mon-Thu,Sat,Sun 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:46 Effective 2026-01-26 through 2026-02-01
Tue,Thu,Fri 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 MAX 9 (7M9) 4:46 Effective 2026-01-30 through 2026-02-05
Mon 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 MAX 8 (7M8) 4:46 Operates only on 2026-02-02
Mon-Wed,Fri-Sun 08:00 Chicago O'Hare (ORD) 2 10:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:46 Effective 2026-02-04 through 2026-02-11
Daily 08:00 Chicago O'Hare (ORD) 2 10:41 Seattle-Tacoma (SEA)
Alaska Airlines AS 587 Non-stop Boeing 737 (73J) 4:41 Effective from 2026-06-10
Mon,Tue,Sat,Sun 06:00 Chicago O'Hare (ORD) 2 08:45 Seattle-Tacoma (SEA)
Alaska Airlines AS 715 Non-stop Boeing 737 (73J) 4:45 Valid until 2026-01-06
Fri 06:00 Chicago O'Hare (ORD) 2 08:45 Seattle-Tacoma (SEA)
Alaska Airlines AS 715 Non-stop Boeing 737 MAX 9 (7M9) 4:45 Operates only on 2026-01-02
Thu 17:29 Chicago O'Hare (ORD) 2 20:16 Seattle-Tacoma (SEA)
Alaska Airlines AS 724 Non-stop Boeing 737-800 (73H) 4:47 Operates only on 2026-02-12
Daily 17:58 Chicago O'Hare (ORD) 2 20:35 Seattle-Tacoma (SEA)
Alaska Airlines AS 1406 Non-stop Boeing 737 (73J) 4:37 Effective 2026-05-13 through 2026-06-09
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Alaska Airlines flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:51, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:44, non-stop
Boeing 737 (73J)

Direct Flights:

Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:44, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:39, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-04-22 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:41, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:27, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-02-12 through 2026-03-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:51, non-stop
Boeing 737 (73J)

Direct Flights:

Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:51, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-03-12 through 2026-03-17
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 4:51, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:39, non-stop
Boeing 737 (73J)

Direct Flights:

Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:51, non-stop
Boeing 737 (73J)

Direct Flights:

Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 4:47, non-stop
Boeing 737 (73J)

Direct Flights:

Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-01-07 through 2026-01-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:46, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-01-15 through 2026-01-22
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Effective 2026-01-17 through 2026-01-25
Mon
-
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 4:46, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-01-26 through 2026-02-01
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 4:46, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-01-30 through 2026-02-05
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-02-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:46, non-stop
Boeing 737 MAX 8 (7M8)

Direct Flights:

Effective 2026-02-04 through 2026-02-11
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 4:46, non-stop
Boeing 737 (73J)

Direct Flights:

Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:41, non-stop
Boeing 737 (73J)

Direct Flights:

Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 4:45, non-stop
Boeing 737 (73J)

Direct Flights:

Operates only on 2026-01-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:45, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:47, non-stop
Boeing 737-800 (73H)

Direct Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:37, non-stop
Boeing 737 (73J)
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  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1715 miles, or 2760 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 4:25 and 4:51.