Alaska Airlines flights from Miami (MIA) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Wed 17:55 Miami (MIA) 21:25 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:30 Operates only on 2026-03-18
Daily 17:55 Miami (MIA) 21:44 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:49 Effective 2026-03-19 through 2026-05-12
Daily 17:59 Miami (MIA) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 7:05 Effective 2026-02-12 through 2026-03-05
Fri 17:59 Miami (MIA) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 7:05 Operates only on 2026-03-06
Daily 17:59 Miami (MIA) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 7:05 Effective 2026-03-07 through 2026-03-17
Daily 18:11 Miami (MIA) 22:05 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:54 Valid until 2026-01-05
Tue 18:11 Miami (MIA) 22:05 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:54 Operates only on 2026-01-06
Daily 18:20 Miami (MIA) 22:02 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:42 Effective from 2026-06-10
Daily 18:21 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:39 Effective 2026-05-13 through 2026-06-09
Mon-Wed,Fri-Sun 18:34 Miami (MIA) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:55 Effective 2026-01-07 through 2026-01-14
Thu 18:34 Miami (MIA) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:55 Operates only on 2026-01-08
Mon,Wed-Sun 18:34 Miami (MIA) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:55 Effective 2026-01-15 through 2026-01-26
Tue 18:34 Miami (MIA) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:55 Operates only on 2026-01-20
Daily 18:34 Miami (MIA) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:55 Effective 2026-01-27 through 2026-02-11
Daily 07:25 Miami (MIA) 11:22 Seattle-Tacoma (SEA)
Alaska Airlines AS 793 Non-stop Boeing 737 MAX 9 (7M9) 6:57 Valid until 2026-01-06


Alaska Airlines flights from Miami (MIA) 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: 6:30, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:49, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-02-12 through 2026-03-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-03-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 7:05, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-03-07 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 7:05, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Valid until 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:54, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-01-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:54, non-stop
Boeing 737 (73J)

Direct Flights:

Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:42, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:39, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-01-07 through 2026-01-14
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 6:55, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-01-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:55, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-01-15 through 2026-01-26
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 6:55, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Operates only on 2026-01-20
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:55, non-stop
Boeing 737 (73J)

Direct Flights:

Effective 2026-01-27 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:55, non-stop
Boeing 737 MAX 9 (7M9)

Direct Flights:

Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:57, non-stop
Boeing 737 MAX 9 (7M9)
  • A domestic route departing from the Miami airport (MIA) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2720 miles, or 4377 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 6:30 and 7:05.