Alaska Airlines flights from Detroit (DTW) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon 16:06 Detroit (DTW) N 18:10 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:04 Effective 2024-01-08 through 2024-02-12
Mon,Thu,Sat 16:22 Detroit (DTW) N 18:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:08 Effective 2024-02-15 through 2024-02-19
Tue-Fri,Sun 16:22 Detroit (DTW) N 18:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Effective 2024-02-16 through 2024-02-27
Mon,Wed,Sat 16:22 Detroit (DTW) N 18:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:08 Effective 2024-02-24 through 2024-03-04
Tue-Fri,Sun 16:22 Detroit (DTW) N 18:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Effective 2024-02-29 through 2024-03-08
Tue,Wed,Sat,Sun 16:22 Detroit (DTW) N 18:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:08 Effective 2024-03-09 through 2024-03-13
Mon 16:22 Detroit (DTW) N 18:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 5:08 Operates only on 2024-03-11
Daily 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 4:59 Effective 2024-03-14 through 2024-03-20
Thu 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737-800 (73H) 4:59 Operates only on 2024-03-21
Daily 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 4:59 Effective 2024-03-22 through 2024-03-29
Sat 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Effective 2024-03-30 through 2024-04-06
Fri,Sun 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737-800 (73H) 4:59 Effective 2024-03-31 through 2024-04-05
Mon-Thu,Sun 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 4:59 Effective 2024-04-01 through 2024-04-10
Thu,Sat 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 4:59 Effective 2024-04-11 through 2024-04-13
Mon,Fri,Sun 16:39 Detroit (DTW) N 18:38 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737-800 (73H) 4:59 Effective 2024-04-12 through 2024-04-15
Thu,Fri 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 5:06 Valid until 2024-01-05
Tue,Wed,Sun 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737-800 (73H) 5:06 Valid until 2024-01-03
Mon,Sat 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:06 Valid until 2024-01-06
Sun 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 MAX 9 (7M9) 5:06 Operates only on 2024-01-07
Wed,Sun 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737-800 (73H) 5:06 Effective 2024-01-10 through 2024-01-14
Wed-Fri 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:06 Effective 2024-01-11 through 2024-01-25
Fri,Sun 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737-800 (73H) 5:06 Effective 2024-01-21 through 2024-02-11
Wed,Thu 16:44 Detroit (DTW) N 18:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 5:06 Effective 2024-01-31 through 2024-02-14
Mon,Wed-Fri,Sun 18:50 Detroit (DTW) N 20:45 Seattle-Tacoma (SEA)
Alaska Airlines AS 304 Non-stop Boeing 737 (73J) 4:55 Effective 2024-04-17 through 2024-05-15
Daily 15:55 Detroit (DTW) N 17:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 313 Non-stop Boeing 737 (73J) 5:04 Effective from 2024-05-16
Daily 07:00 Detroit (DTW) N 08:58 Seattle-Tacoma (SEA)
Alaska Airlines AS 332 Non-stop Boeing 737 (73J) 4:58 Effective 2024-04-16 through 2024-05-15
Daily 07:20 Detroit (DTW) N 09:24 Seattle-Tacoma (SEA)
Alaska Airlines AS 332 Non-stop Boeing 737 (73J) 5:04 Effective 2024-05-16 through 2024-09-30




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Alaska Airlines flights from Detroit (DTW) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS304
16:06
Detroit (DTW) N

18:10
Seattle-Tacoma (SEA)
Effective 2024-01-08 through 2024-02-12
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:04, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:22
Detroit (DTW) N

18:30
Seattle-Tacoma (SEA)
Effective 2024-02-15 through 2024-02-19
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 5:08, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:22
Detroit (DTW) N

18:30
Seattle-Tacoma (SEA)
Effective 2024-02-16 through 2024-02-27
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:22
Detroit (DTW) N

18:30
Seattle-Tacoma (SEA)
Effective 2024-02-24 through 2024-03-04
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:08, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:22
Detroit (DTW) N

18:30
Seattle-Tacoma (SEA)
Effective 2024-02-29 through 2024-03-08
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:22
Detroit (DTW) N

18:30
Seattle-Tacoma (SEA)
Effective 2024-03-09 through 2024-03-13
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 5:08, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:22
Detroit (DTW) N

18:30
Seattle-Tacoma (SEA)
Operates only on 2024-03-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:08, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-03-14 through 2024-03-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:59, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Operates only on 2024-03-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:59, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-03-22 through 2024-03-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:59, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-03-30 through 2024-04-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-03-31 through 2024-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:59, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-04-01 through 2024-04-10
Mon
Tue
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 4:59, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-04-11 through 2024-04-13
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
-
Duration: 4:59, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:39
Detroit (DTW) N

18:38
Seattle-Tacoma (SEA)
Effective 2024-04-12 through 2024-04-15
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:59, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Valid until 2024-01-05
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Duration: 5:06, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Valid until 2024-01-03
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:06, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Valid until 2024-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:06, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Operates only on 2024-01-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:06, non-stop
Boeing 737 MAX 9 (7M9)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Effective 2024-01-10 through 2024-01-14
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:06, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Effective 2024-01-11 through 2024-01-25
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:06, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Effective 2024-01-21 through 2024-02-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 5:06, non-stop
Boeing 737-800 (73H)
Alaska Airlines AS304
16:44
Detroit (DTW) N

18:50
Seattle-Tacoma (SEA)
Effective 2024-01-31 through 2024-02-14
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:06, non-stop
Boeing 737 (73J)
Alaska Airlines AS304
18:50
Detroit (DTW) N

20:45
Seattle-Tacoma (SEA)
Effective 2024-04-17 through 2024-05-15
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:55, non-stop
Boeing 737 (73J)
Alaska Airlines AS313
15:55
Detroit (DTW) N

17:59
Seattle-Tacoma (SEA)
Effective from 2024-05-16
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:04, non-stop
Boeing 737 (73J)
Alaska Airlines AS332
07:00
Detroit (DTW) N

08:58
Seattle-Tacoma (SEA)
Effective 2024-04-16 through 2024-05-15
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:58, non-stop
Boeing 737 (73J)
Alaska Airlines AS332
07:20
Detroit (DTW) N

09:24
Seattle-Tacoma (SEA)
Effective 2024-05-16 through 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:04, non-stop
Boeing 737 (73J)
  • A domestic route departing from the Detroit airport (DTW) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1921 miles, or 3091 km.
  • The timezone of the departure airport is UTC-5 , 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 4:55 and 5:08.
All DTW-SEA flights
All Alaska Airlines flights
Return (SEA-DTW) flights
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