All airlines flying from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
Ad box here 7322741189 I FlightInfo Top Box
| FLIGHT SCHEDULE |
|---|
| Direct Codeshare Flights: |
| Tue,Wed
18:15
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 MAX 9 (7M9) 5:45 Effective 2025-06-03 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Thu,Fri,Sun
18:15
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 (73J) 5:45 Effective 2025-06-05 through 2025-06-08 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
18:55
Dulles, Washington (IAD)
21:40
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 (73J) 5:45 Effective 2025-10-04 through 2025-10-25 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Tue,Thu,Sun
18:55
Dulles, Washington (IAD)
21:40
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 (73J) 5:45 Effective from 2025-11-02 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Wed-Fri,Sun
19:13
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Effective 2025-05-02 through 2025-05-11 Codeshare flight, operated by Alaska Airlines.(AS 408) |
| Tue
19:13
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 MAX 8 (7M8) 5:47 Effective 2025-05-06 through 2025-05-13 Codeshare flight, operated by Alaska Airlines.(AS 408) |
| Wed
19:13
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 (73J) 5:47 Operates only on 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 408) |
| Tue-Sun
19:17
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 (73J) 5:43 Effective 2025-08-20 through 2025-09-21 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Daily
19:17
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Iberia IB 7263 Non-stop Boeing 737 (73J) 5:43 Effective 2025-09-22 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Sat
18:55
Dulles, Washington (IAD)
21:40
Seattle-Tacoma (SEA) Iberia IB 7270 Non-stop Boeing 737 (73J) 5:45 Effective 2025-06-14 through 2025-08-16 Codeshare flight, operated by Alaska Airlines.(AS 406) |
| Sat
18:15
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) Iberia IB 7271 Non-stop Boeing 737 MAX 9 (7M9) 5:45 Operates only on 2025-06-07 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Thu
19:13
Dulles, Washington (IAD)
22:00
Seattle-Tacoma (SEA) Iberia IB 7271 Non-stop Boeing 737 MAX 9 (7M9) 5:47 Operates only on 2025-05-01 Codeshare flight, operated by Alaska Airlines.(AS 408) |
| Daily
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:43 Valid until 2025-05-14 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
06:30
Dulles, Washington (IAD)
09:17
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:47 Effective 2025-06-12 through 2025-08-19 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
07:00
Dulles, Washington (IAD)
09:41
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:41 Effective 2025-08-20 through 2025-10-03 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
07:00
Dulles, Washington (IAD)
09:45
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:45 Effective 2025-10-04 through 2026-01-06 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
07:00
Dulles, Washington (IAD)
09:45
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:45 Effective from 2026-02-12 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Daily
17:26
Dulles, Washington (IAD)
20:18
Seattle-Tacoma (SEA) Lufthansa LH 7484 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) Lufthansa LH 7484 Non-stop Boeing 737-900 (739) 5:35 Effective from 2025-11-02 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Fri,Sun
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737 MAX 9 (7M9) 5:53 Effective 2025-05-22 through 2025-06-25 Codeshare flight, operated by United Airlines.(UA 326) |
| Sat
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Lufthansa LH 7484 Non-stop Boeing 737-900 (739) 5:53 Effective 2025-05-24 through 2025-06-21 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Fri,Sun
17:55
Dulles, Washington (IAD)
20:48
Seattle-Tacoma (SEA) Lufthansa LH 7484 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) Lufthansa LH 7484 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) Lufthansa LH 7484 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) Lufthansa LH 7484 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) Lufthansa LH 7484 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) |
| Daily
18:15
Dulles, Washington (IAD)
21:00
Seattle-Tacoma (SEA) American Airlines AA 7484 Non-stop Boeing 737 (737) 5:45 Effective 2025-05-15 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 351) |
| Mon-Fri,Sun
06:30
Dulles, Washington (IAD)
09:10
Seattle-Tacoma (SEA) American Airlines AA 7576 Non-stop Boeing 737 (737) 5:40 Effective 2025-05-15 through 2025-06-11 Codeshare flight, operated by Alaska Airlines.(AS 308) |
| Sat
07:00
Dulles, Washington (IAD)
09:40
Seattle-Tacoma (SEA) American Airlines AA 7576 Non-stop Boeing 737 (737) 5:40 Effective 2025-05-17 through 2025-06-07 Codeshare flight, operated by Alaska Airlines.(AS 308) |
| Daily
17:26
Dulles, Washington (IAD)
20:18
Seattle-Tacoma (SEA) Austrian OS 7907 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) Austrian OS 7907 Non-stop Boeing 737-900 (739) 5:35 Effective 2025-10-26 through 2026-01-03 Codeshare flight, operated by United Airlines.(UA 326) |
| Tue,Thu-Sat
17:35
Dulles, Washington (IAD)
20:10
Seattle-Tacoma (SEA) Austrian OS 7907 Non-stop Boeing 737-900 (739) 5:35 Effective from 2026-01-06 Codeshare flight, operated by United Airlines.(UA 326) |
| Mon-Fri,Sun
17:48
Dulles, Washington (IAD)
20:41
Seattle-Tacoma (SEA) Austrian OS 7907 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) Austrian OS 7907 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) Austrian OS 7907 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) Austrian OS 7907 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) Austrian OS 7907 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) Austrian OS 7907 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) Austrian OS 7907 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) Austrian OS 7907 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-Fri,Sun
07:25
Dulles, Washington (IAD)
10:20
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:55 Valid until 2025-05-06 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Sat
07:25
Dulles, Washington (IAD)
10:22
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:57 Valid until 2025-05-03 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Daily
07:30
Dulles, Washington (IAD)
10:22
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:52 Effective 2025-07-07 through 2025-09-07 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Daily
07:30
Dulles, Washington (IAD)
10:35
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 6:05 Effective 2025-09-08 through 2026-01-05 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Daily
07:30
Dulles, Washington (IAD)
10:34
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 6:04 Effective from 2026-01-06 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Daily
07:40
Dulles, Washington (IAD)
10:28
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:48 Effective 2025-06-08 through 2025-07-06 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Daily
07:45
Dulles, Washington (IAD)
10:33
Seattle-Tacoma (SEA) China Eastern MU 8778 Non-stop Airbus A220-300 (223) 5:48 Effective 2025-05-07 through 2025-06-07 Codeshare flight, operated by Delta Air Lines.(DL 1015) |
| Mon-Fri,Sun
06:30
Dulles, Washington (IAD)
09:13
Seattle-Tacoma (SEA) Qatar Airways QR 8811 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) Qatar Airways QR 8811 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) Qatar Airways QR 8811 Non-stop Boeing 737-800 (73H) 5:43 Effective 2025-05-04 through 2025-05-10 Codeshare flight, operated by Alaska Airlines.(AS 351) |
Ad flat here 8924483383 I FlightInfo Lower
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.
