All airlines flying from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
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| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Sun
08:46
Dulles, Washington (IAD)
11:39
Seattle-Tacoma (SEA) United Airlines UA 2005 Non-stop Airbus A319 (319) 5:53 Effective 2025-05-04 through 2025-05-18 |
| Mon-Fri,Sun
22:09
Dulles, Washington (IAD)
00:59
Seattle-Tacoma (SEA) United Airlines UA 2136 Non-stop Boeing 737-900 (739) 5:50 Effective 2025-05-22 through 2025-05-30 The flight arrives 1 day after departure. |
| Sat
22:09
Dulles, Washington (IAD)
00:59
Seattle-Tacoma (SEA) United Airlines UA 2136 Non-stop Boeing 737 MAX 8 (7M8) 5:50 Operates only on 2025-05-31 The flight arrives 1 day after departure. |
| Mon,Sun
08:45
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) United Airlines UA 2665 Non-stop Boeing 737-700 (73G) 5:50 Effective 2025-06-01 through 2025-06-23 |
| Tue-Fri
08:45
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) United Airlines UA 2665 Non-stop Boeing 737-900 (739) 5:50 Effective 2025-06-03 through 2025-06-25 |
| Sat
08:45
Dulles, Washington (IAD)
11:35
Seattle-Tacoma (SEA) United Airlines UA 2665 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2025-06-07 through 2025-06-21 |
| Tue-Fri,Sun
22:09
Dulles, Washington (IAD)
00:59
Seattle-Tacoma (SEA) United Airlines UA 2713 Non-stop Boeing 737-900 (739) 5:50 Effective 2025-06-01 through 2025-06-25 The flight arrives 1 day after departure. |
| Sat
22:09
Dulles, Washington (IAD)
00:59
Seattle-Tacoma (SEA) United Airlines UA 2713 Non-stop Boeing 737 MAX 8 (7M8) 5:50 Effective 2025-06-07 through 2025-06-21 The flight arrives 1 day after departure. |
| Mon
22:14
Dulles, Washington (IAD)
01:04
Seattle-Tacoma (SEA) United Airlines UA 2713 Non-stop Boeing 737-900 (739) 5:50 Effective 2025-06-02 through 2025-06-23 The flight arrives 1 day after departure. |
| Non-Direct Flights: |
| Daily
14:20
Dulles, Washington (IAD)
22:18
Seattle-Tacoma (SEA) United Airlines UA 684 1-stop Boeing 737-900 (739) 10:58 Effective 2026-01-06 through 2026-02-11 |
| Tue
08:35
Dulles, Washington (IAD)
17:36
Seattle-Tacoma (SEA) United Airlines UA 2253 2-stop Boeing 737-700 (73G) 12:01 Operates only on 2025-08-19 |
| Daily
08:45
Dulles, Washington (IAD)
19:12
Seattle-Tacoma (SEA) United Airlines UA 2253 2-stop Airbus A320 (320) 13:27 Effective 2025-12-18 through 2026-01-05 |
| Direct Codeshare Flights: |
| Mon,Wed-Sat
18:55
Dulles, Washington (IAD)
21:40
Seattle-Tacoma (SEA) Singapore Airlines SQ 1235 Non-stop Boeing 737 (73J) 5:45 Effective from 2025-11-01 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Mon,Wed,Thu
12:50
Dulles, Washington (IAD)
15:38
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737 MAX 8 (7M8) 5:48 Effective 2025-05-22 through 2025-06-25 Codeshare flight, operated by United Airlines.(UA 1395) |
| Sat
13:01
Dulles, Washington (IAD)
15:49
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737-900 (739) 5:48 Effective 2025-05-24 through 2025-05-31 Codeshare flight, operated by United Airlines.(UA 1395) |
| Sat
13:02
Dulles, Washington (IAD)
15:50
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737-900 (739) 5:48 Effective 2025-06-07 through 2025-06-21 Codeshare flight, operated by United Airlines.(UA 1395) |
| Mon,Wed,Thu,Sat
13:05
Dulles, Washington (IAD)
15:53
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737-900 (739) 5:48 Effective 2025-06-26 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 1395) |
| Daily
17:26
Dulles, Washington (IAD)
20:18
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737 MAX 9 (7M9) 5:52 Valid until 2025-05-21 Codeshare flight, operated by United Airlines.(UA 1998) |
| 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 2025-10-26 Codeshare flight, operated by United Airlines.(UA 326) |
| Tue,Fri,Sun
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-05-23 through 2025-06-24 Codeshare flight, operated by United Airlines.(UA 326) |
| Tue,Fri,Sun
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-06-27 through 2025-07-01 Codeshare flight, operated by United Airlines.(UA 326) |
| Fri
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737-900 (739) 5:53 Operates only on 2025-07-04 Codeshare flight, operated by United Airlines.(UA 326) |
| Tue,Fri,Sun
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-07-06 through 2025-08-17 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:55
Dulles, Washington (IAD)
20:42
Seattle-Tacoma (SEA) Ethiopian Airlines ET 1368 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Effective 2025-08-19 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Sat
08:46
Dulles, Washington (IAD)
11:38
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:52 Valid until 2025-05-17 Codeshare flight, operated by United Airlines.(UA 2005) |
| Sun
08:46
Dulles, Washington (IAD)
11:39
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Airbus A319 (319) 5:53 Effective 2025-05-04 through 2025-05-18 Codeshare flight, operated by United Airlines.(UA 2005) |
| Mon-Wed
17:26
Dulles, Washington (IAD)
20:18
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737 MAX 9 (7M9) 5:52 Effective 2025-05-19 through 2025-05-21 Codeshare flight, operated by United Airlines.(UA 1998) |
| Daily
17:35
Dulles, Washington (IAD)
20:10
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:35 Effective from 2025-10-26 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Fri,Sun
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-05-22 through 2025-06-24 Codeshare flight, operated by United Airlines.(UA 326) |
| Sat
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:53 Effective 2025-05-24 through 2025-06-21 Codeshare flight, operated by United Airlines.(UA 326) |
| Wed
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-700 (73G) 5:53 Operates only on 2025-06-25 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Fri,Sun
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-06-26 through 2025-07-03 Codeshare flight, operated by United Airlines.(UA 326) |
| Fri,Sat
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:53 Effective 2025-06-28 through 2025-07-05 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Fri,Sun
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-07-06 through 2025-08-18 Codeshare flight, operated by United Airlines.(UA 326) |
| Sat
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737-900 (739) 5:53 Effective 2025-07-12 through 2025-08-16 Codeshare flight, operated by United Airlines.(UA 326) |
| Daily
17:55
Dulles, Washington (IAD)
20:42
Seattle-Tacoma (SEA) Avianca AV 2028 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Effective 2025-08-19 through 2025-10-25 Codeshare flight, operated by United Airlines.(UA 326) |
| Wed
18:15
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Qatar Airways QR 2040 Non-stop Boeing 737 MAX 9 (7M9) 5:45 Operates only on 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 581) |
| Tue
19:13
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2341 Non-stop Boeing 737 MAX 8 (7M8) 5:47 Valid until 2025-05-13 Codeshare flight, operated by Alaska Airlines.(AS 408) |
| Mon-Fri,Sun
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 MAX 9 (7M9) 5:43 Valid until 2025-05-02 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Sat
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737-800 (73H) 5:43 Valid until 2025-05-03 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Sat,Sun
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737-800 (73H) 5:43 Effective 2025-05-04 through 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Sun
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 (73J) 5:43 Effective 2025-05-05 through 2025-05-11 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon-Fri
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 MAX 9 (7M9) 5:43 Effective 2025-05-06 through 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon-Fri,Sun
06:30
Dulles, Washington (IAD)
09:10
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 MAX 9 (7M9) 5:40 Effective 2025-05-15 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 308) |
| Tue-Sun
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 (73J) 5:47 Effective 2025-06-12 through 2025-06-18 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Thu
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Effective 2025-06-16 through 2025-06-23 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Wed,Fri-Sun
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 (73J) 5:47 Effective 2025-06-20 through 2025-06-27 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Tue,Thu,Sat
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Effective 2025-06-24 through 2025-06-30 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Tue-Thu,Sun
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 (73J) 5:47 Effective 2025-06-29 through 2025-07-08 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon,Wed-Sat
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) Air Tahiti Nui TN 2395 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Effective 2025-07-04 through 2025-07-11 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 6:05.
