All airlines flying from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Wed
08:30
Dulles, Washington (IAD)
11:18
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-700 (73G) 5:48 Effective 2024-10-02 through 2024-10-23 |
| Mon,Wed,Fri-Sun
08:35
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-700 (73G) 6:00 Effective 2024-10-27 through 2024-12-02 |
| Tue,Thu
08:35
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-800 (738) 6:00 Effective 2024-10-29 through 2024-11-26 |
| Thu
08:35
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-900 (739) 6:00 Operates only on 2024-11-28 |
| Mon-Fri
08:35
Dulles, Washington (IAD)
11:32
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-800 (738) 5:57 Effective 2024-12-19 through 2025-01-06 |
| Sat
08:35
Dulles, Washington (IAD)
11:33
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Airbus A319 (319) 5:58 Effective 2024-12-21 through 2025-01-04 |
| Sun
08:35
Dulles, Washington (IAD)
11:33
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Airbus A320 (320) 5:58 Effective 2024-12-22 through 2025-01-05 |
| Daily
08:35
Dulles, Washington (IAD)
11:26
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-900 (739) 5:51 Effective from 2025-02-13 |
| Wed,Sun
08:55
Dulles, Washington (IAD)
11:44
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Airbus A320 (320) 5:49 Valid until 2024-09-25 |
| Mon,Tue,Thu-Sat
08:55
Dulles, Washington (IAD)
11:43
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737 MAX 9 (7M9) 5:48 Valid until 2024-09-24 |
| Non-Direct Flights: |
| Daily
12:35
Dulles, Washington (IAD)
19:05
Seattle-Tacoma (SEA) United Airlines UA 1657 1-stop Boeing 737 MAX 9 (7M9) 9:30 Effective 2024-12-19 through 2025-01-06 |
| Direct Codeshare Flights: |
| Mon,Wed,Fri,Sat
17:56
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 (73J) 6:04 Effective 2025-01-06 through 2025-03-07 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Wed,Fri,Sat
18:58
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 (73J) 6:02 Effective 2024-12-20 through 2025-01-04 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Wed,Fri,Sat
19:00
Dulles, Washington (IAD)
21:56
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 (73J) 5:56 Effective 2025-03-19 through 2025-03-28 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Wed,Fri,Sat
19:06
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 (73J) 5:54 Effective 2024-11-22 through 2024-12-02 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 MAX 9 (7M9) 5:48 Operates only on 2024-10-28 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Fri
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 (73J) 5:48 Effective 2024-11-01 through 2024-11-15 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon
19:12
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 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) Singapore Airlines SQ 1235 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)
20:20
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 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) Ethiopian Airlines ET 1368 Non-stop Boeing 737-900 (739) 5:35 Effective from 2025-02-13 Codeshare flight, operated by United Airlines.(UA 326) |
| Thu,Sun
16:07
Dulles, Washington (IAD)
18:58
Seattle-Tacoma (SEA) Qatar Airways QR 2011 Non-stop Boeing 737 MAX 9 (7M9) 5:51 Effective 2024-10-03 through 2024-10-24 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Wed,Fri,Sun
16:00
Dulles, Washington (IAD)
18:56
Seattle-Tacoma (SEA) Qatar Airways QR 2025 Non-stop Boeing 737 (73J) 5:56 Effective 2025-04-23 through 2025-05-02 Codeshare flight, operated by Alaska Airlines.(AS 367) |
| Tue,Wed,Fri-Sun
16:00
Dulles, Washington (IAD)
18:56
Seattle-Tacoma (SEA) Qatar Airways QR 2025 Non-stop Boeing 737 (73J) 5:56 Effective 2025-05-03 through 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 367) |
| Thu
08:35
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 6:00 Operates only on 2024-11-28 Codeshare flight, operated by United Airlines.(UA 1964) |
| Daily
08:35
Dulles, Washington (IAD)
11:26
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:51 Effective 2025-04-21 through 2025-05-18 Codeshare flight, operated by United Airlines.(UA 1964) |
| Daily
17:15
Dulles, Washington (IAD)
20:20
Seattle-Tacoma (SEA) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 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) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:35 Effective 2025-02-13 through 2025-04-20 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:35
Dulles, Washington (IAD)
20:10
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:35 Effective from 2025-05-19 Codeshare flight, operated by United Airlines.(UA 326) |
| Tue,Wed,Fri-Sun
16:00
Dulles, Washington (IAD)
18:56
Seattle-Tacoma (SEA) Qatar Airways QR 2043 Non-stop Boeing 737 (73J) 5:56 Effective 2025-05-16 through 2025-06-01 Codeshare flight, operated by Alaska Airlines.(AS 367) |
| Daily
16:00
Dulles, Washington (IAD)
18:56
Seattle-Tacoma (SEA) Qatar Airways QR 2043 Non-stop Boeing 737 (73J) 5:56 Effective 2025-06-02 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 367) |
| Mon,Thu,Sat
16:13
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Qatar Airways QR 2047 Non-stop Boeing 737 MAX 9 (7M9) 5:46 Valid until 2024-09-02 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Thu
16:13
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Qatar Airways QR 2047 Non-stop Boeing 737-800 (73H) 5:46 Operates only on 2024-09-05 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Thu,Sat
16:13
Dulles, Washington (IAD)
18:59
Seattle-Tacoma (SEA) Qatar Airways QR 2047 Non-stop Boeing 737 MAX 9 (7M9) 5:46 Effective 2024-09-07 through 2024-09-23 Codeshare flight, operated by Alaska Airlines.(AS 351) |
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Parallax here IAD-SEA
- 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.
