Alaska Airlines flights from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon-Wed 07:00 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 6:00 Effective 2024-12-04 through 2024-12-11
Sat 07:00 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 6:00 Operates only on 2024-12-07
Thu,Fri,Sun 07:00 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2024-12-12 through 2024-12-15
Mon-Wed,Sat 07:00 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 6:00 Effective 2024-12-14 through 2024-12-18
Mon-Fri,Sun 07:00 Dulles, Washington (IAD) 09:50 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:50 Effective 2024-12-19 through 2025-01-05
Tue 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:51 Operates only on 2024-10-01
Wed 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:51 Operates only on 2024-10-02
Mon,Tue,Thu-Sun 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:51 Effective 2024-10-03 through 2024-10-18
Wed 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 MAX 8 (7M8) 5:51 Operates only on 2024-10-09
Wed,Sat 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:51 Effective 2024-10-16 through 2024-10-23
Sun 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:51 Operates only on 2024-10-20
Mon,Tue,Thu-Sat 07:02 Dulles, Washington (IAD) 09:53 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:51 Effective 2024-10-21 through 2024-10-26
Fri 07:02 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 MAX 8 (7M8) 5:58 Operates only on 2024-11-22
Mon-Wed,Fri-Sun 07:02 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:58 Effective 2024-11-23 through 2024-12-02
Thu 07:02 Dulles, Washington (IAD) 10:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:58 Operates only on 2024-11-28
Sat 07:42 Dulles, Washington (IAD) 10:34 Seattle-Tacoma (SEA)
Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:52 Effective 2024-12-21 through 2025-01-04
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Alaska Airlines flights from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2024-12-04 through 2024-12-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:00, non-stop
Boeing 737-800 (73H)

Operates only on 2024-12-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:00, non-stop
Boeing 737 (73J)

Effective 2024-12-12 through 2024-12-15
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 6:00, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-14 through 2024-12-18
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 6:00, non-stop
Boeing 737-800 (73H)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:50, non-stop
Boeing 737 (73J)

Operates only on 2024-10-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:51, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-10-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:51, non-stop
Boeing 737-800 (73H)

Effective 2024-10-03 through 2024-10-18
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:51, non-stop
Boeing 737 (73J)

Operates only on 2024-10-09
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:51, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-10-16 through 2024-10-23
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:51, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-10-20
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:51, non-stop
Boeing 737-800 (73H)

Effective 2024-10-21 through 2024-10-26
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Duration: 5:51, non-stop
Boeing 737 (73J)

Operates only on 2024-11-22
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:58, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-11-23 through 2024-12-02
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Duration: 5:58, non-stop
Boeing 737 (73J)

Operates only on 2024-11-28
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:58, non-stop
Boeing 737-800 (73H)

Effective 2024-12-21 through 2025-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:52, non-stop
Boeing 737 (73J)
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  • A domestic route departing from the Dulles, Washington airport (IAD) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2299 miles, or 3699 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 5:39 and 6:05.