All airlines flying from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Wed
07:00
Dulles, Washington (IAD)
09:39
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 MAX 9 (7M9) 5:39 Operates only on 2024-09-04 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Daily
07:00
Dulles, Washington (IAD)
09:39
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 (73J) 5:39 Effective 2024-09-05 through 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737-800 (73H) 5:50 Operates only on 2024-10-27 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Mon-Fri
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2024-10-28 through 2024-11-01 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Thu,Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 (73J) 5:50 Effective 2024-11-03 through 2024-11-10 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Mon-Wed,Fri
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2024-11-04 through 2024-11-08 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Mon
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737-800 (73H) 5:50 Operates only on 2024-11-11 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Mon-Fri,Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2024-11-12 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Mon,Thu,Fri,Sun
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 (73J) 5:51 Effective 2024-10-03 through 2024-10-18 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Sun
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737-800 (73H) 5:51 Operates only on 2024-10-20 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Mon,Thu,Fri
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2396 Non-stop Boeing 737 (73J) 5:51 Effective 2024-10-21 through 2024-10-25 Codeshare flight, operated by Alaska Airlines.(AS 499) |
| Thu
15:54
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2465 Non-stop Boeing 737-800 (73H) 6:05 Operates only on 2024-12-05 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Thu,Fri,Sun
15:54
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2465 Non-stop Boeing 737 MAX 9 (7M9) 6:05 Effective 2024-12-06 through 2024-12-13 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Sun
15:54
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2465 Non-stop Boeing 737 (73J) 6:05 Effective 2024-12-09 through 2024-12-16 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Thu
08:35
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-900 (739) 6:00 Operates only on 2024-11-28 Codeshare flight, operated by United Airlines.(UA 1964) |
| Daily
17:15
Dulles, Washington (IAD)
20:20
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-900 (739) 6:05 Effective 2024-10-27 through 2024-11-27 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:15
Dulles, Washington (IAD)
20:20
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-900 (739) 6:05 Effective 2024-11-29 through 2024-12-18 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:20
Dulles, Washington (IAD)
20:08
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737 MAX 9 (7M9) 5:48 Effective 2024-09-26 through 2024-10-26 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:26
Dulles, Washington (IAD)
20:14
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737 MAX 9 (7M9) 5:48 Valid until 2024-09-25 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon,Thu,Fri,Sun
17:28
Dulles, Washington (IAD)
20:31
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-800 (738) 6:03 Effective 2024-12-19 through 2024-12-23 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon,Sun
17:28
Dulles, Washington (IAD)
20:31
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-800 (738) 6:03 Effective 2025-01-05 through 2025-01-06 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:33
Dulles, Washington (IAD)
20:36
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-800 (738) 6:03 Effective 2024-12-24 through 2025-01-04 Codeshare flight, operated by United Airlines.(UA 326) |
| Sat
17:35
Dulles, Washington (IAD)
20:38
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-800 (738) 6:03 Operates only on 2024-12-21 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:35
Dulles, Washington (IAD)
20:36
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-900 (739) 6:01 Effective 2025-01-07 through 2025-02-12 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:35
Dulles, Washington (IAD)
20:10
Seattle-Tacoma (SEA) Copa Airlines CM 2766 Non-stop Boeing 737-900 (739) 5:35 Effective from 2025-02-13 Codeshare flight, operated by United Airlines.(UA 326) |
| Fri,Sun
15:54
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 6:05 Effective 2024-12-06 through 2024-12-13 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Sun
15:54
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 6:05 Operates only on 2024-12-15 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
17:56
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 6:04 Effective 2025-01-06 through 2025-03-08 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Wed,Fri,Sun
17:56
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 6:04 Effective 2025-03-09 through 2025-03-16 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
18:58
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 6:02 Effective 2024-12-19 through 2025-01-05 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Daily
19:00
Dulles, Washington (IAD)
21:56
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:56 Effective from 2025-03-19 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Tue
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:54 Operates only on 2024-10-01 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Wed-Fri,Sun
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:54 Effective 2024-10-02 through 2024-10-07 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Tue
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737-800 (73H) 5:54 Operates only on 2024-10-08 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Tue,Wed
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:54 Effective 2024-10-09 through 2024-10-15 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Wed-Fri,Sun
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:54 Effective 2024-10-10 through 2024-10-21 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Tue,Thu,Fri
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:54 Effective 2024-10-22 through 2024-10-25 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Wed
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:54 Operates only on 2024-10-23 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Wed,Fri-Sun
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:54 Effective 2024-11-22 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Tue
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:54 Operates only on 2024-11-26 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Daily
19:09
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:51 Valid until 2024-09-19 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Fri
19:09
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:51 Operates only on 2024-09-20 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Daily
19:09
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:51 Effective 2024-09-21 through 2024-09-30 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Sun
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:48 Effective 2024-10-27 through 2024-10-28 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Thu,Fri,Sun
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 (73J) 5:48 Effective 2024-10-31 through 2024-11-21 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737-800 (73H) 5:48 Operates only on 2024-11-04 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Qatar Airways QR 2990 Non-stop Boeing 737 MAX 9 (7M9) 5:48 Effective 2024-11-11 through 2024-11-18 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Daily
17:15
Dulles, Washington (IAD)
20:19
Seattle-Tacoma (SEA) Korean Air KE 3026 Non-stop Airbus A220-300 (223) 6:04 Effective 2025-01-06 through 2025-03-08 Codeshare flight, operated by Delta Air Lines.(DL 508) |
| Daily
17:15
Dulles, Washington (IAD)
20:19
Seattle-Tacoma (SEA) Korean Air KE 3026 Non-stop Airbus A220-100 (221) 6:04 Effective 2025-03-09 through 2025-04-13 Codeshare flight, operated by Delta Air Lines.(DL 508) |
| Daily
17:15
Dulles, Washington (IAD)
20:09
Seattle-Tacoma (SEA) Korean Air KE 3026 Non-stop Airbus A220-300 (223) 5:54 Effective 2025-04-14 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 508) |
- 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 5:35 and 6:07.
