All airlines flying from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 14:50 Seattle-Tacoma (SEA) 22:53 Dulles, Washington (IAD)
Alaska Airlines AS 307 Non-stop Boeing 737 (73J) 5:03 Effective 2025-02-13 through 2025-03-18
Mon,Sat,Sun 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 (73J) 5:01 Effective 2024-10-27 through 2024-11-11
Tue-Fri 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:01 Effective 2024-10-29 through 2024-11-08
Mon,Tue,Fri 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 (73J) 5:01 Effective 2024-11-12 through 2024-11-19
Wed,Thu,Sat 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:01 Effective 2024-11-13 through 2024-11-21
Sun 07:00 Seattle-Tacoma (SEA) 15:01 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737-800 (73H) 5:01 Operates only on 2024-11-17
Mon-Wed 07:00 Seattle-Tacoma (SEA) 14:54 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 (73J) 4:54 Effective 2024-12-03 through 2024-12-11
Thu 07:00 Seattle-Tacoma (SEA) 14:54 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737-800 (73H) 4:54 Operates only on 2024-12-05
Thu,Fri,Sun 07:00 Seattle-Tacoma (SEA) 14:54 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 4:54 Effective 2024-12-06 through 2024-12-13
Mon,Tue,Sun 07:00 Seattle-Tacoma (SEA) 14:54 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 (73J) 4:54 Effective 2024-12-15 through 2024-12-17
Wed 07:00 Seattle-Tacoma (SEA) 14:54 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 4:54 Operates only on 2024-12-18
Mon,Thu,Fri,Sun 07:03 Seattle-Tacoma (SEA) 15:07 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2024-10-03 through 2024-10-10
Fri 07:03 Seattle-Tacoma (SEA) 15:07 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737-800 (73H) 5:04 Operates only on 2024-10-11
Mon,Thu,Fri,Sun 07:03 Seattle-Tacoma (SEA) 15:07 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:04 Effective 2024-10-13 through 2024-10-25
Mon,Thu-Sun 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Valid until 2024-09-09
Tue,Wed 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737-800 (73H) 5:09 Effective 2024-09-03 through 2024-09-04
Tue-Sun 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2024-09-10 through 2024-09-15
Mon 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 (73J) 5:09 Operates only on 2024-09-16
Tue 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737-800 (73H) 5:09 Effective 2024-09-17 through 2024-09-24
Mon,Wed-Sun 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2024-09-18 through 2024-09-23
Wed,Fri 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 (73J) 5:09 Effective 2024-09-25 through 2024-09-27
Mon,Thu,Sat,Sun 07:07 Seattle-Tacoma (SEA) 15:16 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 5:09 Effective 2024-09-26 through 2024-09-30
Sat 07:50 Seattle-Tacoma (SEA) 15:44 Dulles, Washington (IAD)
Alaska Airlines AS 338 Non-stop Boeing 737 MAX 9 (7M9) 4:54 Effective 2024-12-07 through 2024-12-14
Thu 16:05 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:54 Effective 2024-12-05 through 2024-12-12
Fri 16:05 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:54 Operates only on 2024-12-06
Mon,Fri,Sun 16:05 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737-800 (73H) 4:54 Effective 2024-12-08 through 2024-12-16
Daily 16:05 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:54 Effective from 2025-03-19
Daily 16:06 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:53 Valid until 2024-09-02
Tue 16:06 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:53 Operates only on 2024-09-03
Daily 16:06 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:53 Effective 2024-09-04 through 2024-09-30
Tue 16:11 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737-800 (73H) 4:48 Operates only on 2024-10-01
Mon,Wed-Fri,Sun 16:11 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:48 Effective 2024-10-02 through 2024-10-17
Tue 16:11 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 8 (7M8) 4:48 Operates only on 2024-10-08
Tue,Fri 16:11 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:48 Effective 2024-10-15 through 2024-10-22
Mon,Wed-Fri,Sun 16:11 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:48 Effective 2024-10-20 through 2024-10-25
Mon-Fri,Sun 16:12 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:47 Effective 2024-10-27 through 2024-11-05
Wed 16:12 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:47 Operates only on 2024-11-06
Mon-Fri 16:12 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:47 Effective 2024-11-07 through 2024-11-15
Sun 16:12 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737-800 (73H) 4:47 Operates only on 2024-11-10
Mon-Wed,Sun 16:12 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 9 (7M9) 4:47 Effective 2024-11-17 through 2024-11-20
Thu 16:12 Seattle-Tacoma (SEA) 23:59 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 MAX 8 (7M8) 4:47 Operates only on 2024-11-21
Mon-Thu,Sat,Sun 21:39 Seattle-Tacoma (SEA) 05:40 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 5:01 Effective 2024-12-19 through 2025-01-05
The flight arrives 1 day after departure.
Mon,Tue,Fri,Sat 21:40 Seattle-Tacoma (SEA) 05:32 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:52 Effective 2024-11-22 through 2024-11-30
The flight arrives 1 day after departure.
Wed,Sun 21:40 Seattle-Tacoma (SEA) 05:32 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737-800 (73H) 4:52 Effective 2024-11-24 through 2024-11-27
The flight arrives 1 day after departure.
Mon,Sun 21:40 Seattle-Tacoma (SEA) 05:32 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 4:52 Effective 2024-12-01 through 2024-12-02
The flight arrives 1 day after departure.
Fri 22:18 Seattle-Tacoma (SEA) 06:22 Dulles, Washington (IAD)
Alaska Airlines AS 348 Non-stop Boeing 737 (73J) 5:04 Effective 2024-12-20 through 2025-01-03
The flight arrives 1 day after departure.
Daily 07:00 Seattle-Tacoma (SEA) 15:00 Dulles, Washington (IAD)
Alaska Airlines AS 367 Non-stop Boeing 737 (73J) 5:00 Effective from 2025-04-22
Daily 08:55 Seattle-Tacoma (SEA) 16:58 Dulles, Washington (IAD)
Alaska Airlines AS 406 Non-stop Boeing 737 (73J) 5:03 Effective 2025-01-06 through 2025-03-18
Daily 09:55 Seattle-Tacoma (SEA) 17:58 Dulles, Washington (IAD)
Alaska Airlines AS 406 Non-stop Boeing 737 (73J) 5:03 Effective 2024-12-19 through 2025-01-05
Mon-Thu,Sat,Sun 10:00 Seattle-Tacoma (SEA) 18:09 Dulles, Washington (IAD)
Alaska Airlines AS 406 Non-stop Boeing 737 (73J) 5:09 Valid until 2024-09-12
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All airlines flying from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:

Effective 2025-02-13 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:03, non-stop
Boeing 737 (73J)

Effective 2024-10-27 through 2024-11-11
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 5:01, non-stop
Boeing 737 (73J)

Effective 2024-10-29 through 2024-11-08
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:01, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-11-12 through 2024-11-19
Mon
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:01, non-stop
Boeing 737 (73J)

Effective 2024-11-13 through 2024-11-21
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
Sun
-
Duration: 5:01, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:01, non-stop
Boeing 737-800 (73H)

Effective 2024-12-03 through 2024-12-11
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:54, non-stop
Boeing 737 (73J)

Operates only on 2024-12-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:54, non-stop
Boeing 737-800 (73H)

Effective 2024-12-06 through 2024-12-13
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 4:54, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-15 through 2024-12-17
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:54, non-stop
Boeing 737 (73J)

Operates only on 2024-12-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:54, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-10-03 through 2024-10-10
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-10-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:04, non-stop
Boeing 737-800 (73H)

Effective 2024-10-13 through 2024-10-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Duration: 5:04, non-stop
Boeing 737 MAX 9 (7M9)

Valid until 2024-09-09
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-09-03 through 2024-09-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:09, non-stop
Boeing 737-800 (73H)

Effective 2024-09-10 through 2024-09-15
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-09-16
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)

Effective 2024-09-17 through 2024-09-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:09, non-stop
Boeing 737-800 (73H)

Effective 2024-09-18 through 2024-09-23
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-09-25 through 2024-09-27
Mon
-
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:09, non-stop
Boeing 737 (73J)

Effective 2024-09-26 through 2024-09-30
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-07 through 2024-12-14
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 4:54, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-12-05 through 2024-12-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:54, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-12-06
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:54, non-stop
Boeing 737 (73J)

Effective 2024-12-08 through 2024-12-16
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 4:54, non-stop
Boeing 737-800 (73H)

Effective from 2025-03-19
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:54, non-stop
Boeing 737 (73J)

Valid until 2024-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:53, non-stop
Boeing 737 (73J)

Operates only on 2024-09-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:53, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-09-04 through 2024-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 4:53, non-stop
Boeing 737 (73J)

Operates only on 2024-10-01
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:48, non-stop
Boeing 737-800 (73H)

Effective 2024-10-02 through 2024-10-17
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:48, non-stop
Boeing 737 (73J)

Operates only on 2024-10-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:48, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-10-15 through 2024-10-22
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 4:48, non-stop
Boeing 737 MAX 9 (7M9)

Effective 2024-10-20 through 2024-10-25
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:48, non-stop
Boeing 737 (73J)

Effective 2024-10-27 through 2024-11-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-06
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 4:47, non-stop
Boeing 737 (73J)

Effective 2024-11-07 through 2024-11-15
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-10
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:47, non-stop
Boeing 737-800 (73H)

Effective 2024-11-17 through 2024-11-20
Mon
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:47, non-stop
Boeing 737 MAX 9 (7M9)

Operates only on 2024-11-21
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 4:47, non-stop
Boeing 737 MAX 8 (7M8)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:01, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective 2024-11-22 through 2024-11-30
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Duration: 4:52, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective 2024-11-24 through 2024-11-27
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:52, non-stop
Boeing 737-800 (73H)
The flight arrives 1 day after departure.

Effective 2024-12-01 through 2024-12-02
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 4:52, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective 2024-12-20 through 2025-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:04, non-stop
Boeing 737 (73J)
The flight arrives 1 day after departure.

Effective from 2025-04-22
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:00, non-stop
Boeing 737 (73J)

Effective 2025-01-06 through 2025-03-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:03, non-stop
Boeing 737 (73J)

Effective 2024-12-19 through 2025-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:03, non-stop
Boeing 737 (73J)

Valid until 2024-09-12
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 5:09, non-stop
Boeing 737 (73J)
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  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 2299 miles, or 3699 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:47 and 5:12.