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

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 17:55 Miami (MIA) 21:25 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:30 Effective from 2025-10-04
Daily 18:01 Miami (MIA) 21:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:58 Valid until 2025-05-07
Thu 18:01 Miami (MIA) 21:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:58 Operates only on 2025-05-08
Mon-Wed,Fri-Sun 18:01 Miami (MIA) 21:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:58 Effective 2025-05-09 through 2025-05-14
Daily 18:07 Miami (MIA) 21:41 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:34 Effective 2025-08-20 through 2025-10-03
Mon,Tue,Thu,Fri,Sun 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-06-12 through 2025-06-23
Wed,Sat 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:40 Effective 2025-06-14 through 2025-06-21
Tue,Wed,Sun 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:40 Effective 2025-06-24 through 2025-07-01
Mon,Wed-Sat 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-06-26 through 2025-07-04
Tue,Sat 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:40 Effective 2025-07-05 through 2025-07-12
Mon,Wed-Fri,Sun 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-07-06 through 2025-07-14
Mon,Tue,Thu,Fri,Sun 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-07-15 through 2025-07-22
Wed,Sat 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:40 Effective 2025-07-16 through 2025-07-19
Mon,Wed-Fri 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-07-23 through 2025-07-28
Tue-Thu,Sat,Sun 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:40 Effective 2025-07-26 through 2025-07-31
Daily 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-08-01 through 2025-08-11
Tue 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 8 (7M8) 6:40 Operates only on 2025-08-12
Daily 18:20 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:40 Effective 2025-08-13 through 2025-08-19
Thu 18:21 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:39 Operates only on 2025-05-15
Daily 18:21 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:39 Effective 2025-05-16 through 2025-06-05
Fri 18:21 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 (73J) 6:39 Operates only on 2025-06-06
Mon-Wed,Sat,Sun 18:21 Miami (MIA) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 305 Non-stop Boeing 737 MAX 9 (7M9) 6:39 Effective 2025-06-07 through 2025-06-11
Daily 09:00 Miami (MIA) 12:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 793 Non-stop Boeing 737 (73J) 6:30 Effective 2025-11-21 through 2025-12-01
Daily 09:00 Miami (MIA) 12:30 Seattle-Tacoma (SEA)
Alaska Airlines AS 793 Non-stop Boeing 737 (73J) 6:30 Effective 2025-12-18 through 2026-01-06


Alaska Airlines flights from Miami (MIA) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective from 2025-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 (73J)

Valid until 2025-05-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:58, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2025-05-08
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:58, non-stop
Boeing 737 (73J)

Effective 2025-05-09 through 2025-05-14
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 6:58, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-08-20 through 2025-10-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:34, non-stop
Boeing 737 (73J)

Effective 2025-06-12 through 2025-06-23
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-06-14 through 2025-06-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:40, non-stop
Boeing 737 (73J)

Effective 2025-06-24 through 2025-07-01
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:40, non-stop
Boeing 737 (73J)

Effective 2025-06-26 through 2025-07-04
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-07-05 through 2025-07-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:40, non-stop
Boeing 737 (73J)

Effective 2025-07-06 through 2025-07-14
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-07-15 through 2025-07-22
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-07-16 through 2025-07-19
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:40, non-stop
Boeing 737 (73J)

Effective 2025-07-23 through 2025-07-28
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-07-26 through 2025-07-31
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 6:40, non-stop
Boeing 737 (73J)

Effective 2025-08-01 through 2025-08-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2025-08-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:40, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2025-08-13 through 2025-08-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:40, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2025-05-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 6:39, non-stop
Boeing 737 (73J)

Effective 2025-05-16 through 2025-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:39, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2025-06-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:39, non-stop
Boeing 737 (73J)

Effective 2025-06-07 through 2025-06-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Duration: 6:39, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2025-11-21 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 (73J)

Effective 2025-12-18 through 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:30, non-stop
Boeing 737 (73J)
  • 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 6:58.