All airlines flying from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
| FLIGHT SCHEDULE |
|---|
| Direct Flights: |
| Daily
07:00
Dulles, Washington (IAD)
09:39
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:39 Valid until 2024-09-03 |
| Wed
07:00
Dulles, Washington (IAD)
09:39
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:39 Operates only on 2024-09-04 |
| Daily
07:00
Dulles, Washington (IAD)
09:39
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:39 Effective 2024-09-05 through 2024-09-30 |
| Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:50 Operates only on 2024-10-27 |
| Mon-Sat
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2024-10-28 through 2024-11-06 |
| Thu,Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:50 Effective 2024-11-03 through 2024-11-10 |
| Tue-Sat
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2024-11-08 through 2024-11-16 |
| Mon
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:50 Operates only on 2024-11-11 |
| Mon-Thu,Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:50 Effective 2024-11-17 through 2024-11-21 |
| Tue,Thu,Fri,Sun
07:00
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2024-12-03 through 2024-12-08 |
| Mon-Wed
07:00
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 6:00 Effective 2024-12-04 through 2024-12-11 |
| Sat
07:00
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 6:00 Operates only on 2024-12-07 |
| Thu,Fri,Sun
07:00
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 6:00 Effective 2024-12-12 through 2024-12-15 |
| Mon-Wed,Sat
07:00
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 6:00 Effective 2024-12-14 through 2024-12-18 |
| Mon-Fri,Sun
07:00
Dulles, Washington (IAD)
09:50
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:50 Effective 2024-12-19 through 2025-01-05 |
| Tue
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:51 Operates only on 2024-10-01 |
| Wed
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:51 Operates only on 2024-10-02 |
| Mon,Tue,Thu-Sun
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:51 Effective 2024-10-03 through 2024-10-18 |
| Wed
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 8 (7M8) 5:51 Operates only on 2024-10-09 |
| Wed,Sat
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 9 (7M9) 5:51 Effective 2024-10-16 through 2024-10-23 |
| Sun
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:51 Operates only on 2024-10-20 |
| Mon,Tue,Thu-Sat
07:02
Dulles, Washington (IAD)
09:53
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:51 Effective 2024-10-21 through 2024-10-26 |
| Fri
07:02
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 MAX 8 (7M8) 5:58 Operates only on 2024-11-22 |
| Mon-Wed,Fri-Sun
07:02
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:58 Effective 2024-11-23 through 2024-12-02 |
| Thu
07:02
Dulles, Washington (IAD)
10:00
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737-800 (73H) 5:58 Operates only on 2024-11-28 |
| Sat
07:42
Dulles, Washington (IAD)
10:34
Seattle-Tacoma (SEA) Alaska Airlines AS 499 Non-stop Boeing 737 (73J) 5:52 Effective 2024-12-21 through 2025-01-04 |
| Daily
17:15
Dulles, Washington (IAD)
20:19
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 6:04 Effective 2025-01-06 through 2025-03-08 |
| Daily
17:15
Dulles, Washington (IAD)
20:19
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-100 (221) 6:04 Effective 2025-03-09 through 2025-04-13 |
| Daily
17:15
Dulles, Washington (IAD)
20:09
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:54 Effective 2025-04-14 through 2025-06-07 |
| Daily
17:15
Dulles, Washington (IAD)
20:13
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:58 Effective from 2025-06-08 |
| Daily
17:25
Dulles, Washington (IAD)
20:31
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 6:06 Effective 2024-12-19 through 2025-01-05 |
| Mon-Fri,Sun
17:36
Dulles, Washington (IAD)
20:39
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 6:03 Effective 2024-09-02 through 2024-09-08 |
| Mon-Fri,Sun
17:55
Dulles, Washington (IAD)
20:40
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:45 Effective 2024-09-09 through 2024-10-06 |
| Mon-Fri,Sun
17:55
Dulles, Washington (IAD)
20:54
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:59 Effective 2024-10-07 through 2024-10-30 |
| Mon,Wed-Fri,Sun
17:55
Dulles, Washington (IAD)
20:54
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:59 Effective 2024-11-01 through 2024-11-10 |
| Mon-Fri,Sun
17:55
Dulles, Washington (IAD)
20:47
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:52 Effective 2024-11-11 through 2024-11-22 |
| Mon-Wed,Sat,Sun
17:55
Dulles, Washington (IAD)
20:47
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-300 (223) 5:52 Effective 2024-11-23 through 2024-12-02 |
| Daily
17:55
Dulles, Washington (IAD)
20:47
Seattle-Tacoma (SEA) Delta Air Lines DL 508 Non-stop Airbus A220-100 (221) 5:52 Effective 2024-12-03 through 2024-12-18 |
| Daily
07:15
Dulles, Washington (IAD)
10:17
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-300 (223) 6:02 Effective 2024-10-07 through 2024-11-10 |
| Daily
07:25
Dulles, Washington (IAD)
10:11
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-300 (223) 5:46 Valid until 2024-09-08 |
| Daily
07:25
Dulles, Washington (IAD)
10:19
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-300 (223) 5:54 Effective 2024-09-09 through 2024-10-06 |
| Daily
07:30
Dulles, Washington (IAD)
10:37
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-100 (221) 6:07 Effective 2025-03-09 through 2025-04-13 |
| Daily
07:30
Dulles, Washington (IAD)
10:24
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-300 (223) 5:54 Effective 2025-04-14 through 2025-06-07 |
| Daily
07:30
Dulles, Washington (IAD)
10:22
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-300 (223) 5:52 Effective from 2025-06-08 |
| Daily
07:50
Dulles, Washington (IAD)
10:44
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-300 (223) 5:54 Effective 2024-11-11 through 2024-12-02 |
| Daily
07:50
Dulles, Washington (IAD)
10:44
Seattle-Tacoma (SEA) Delta Air Lines DL 1015 Non-stop Airbus A220-100 (221) 5:54 Effective 2024-12-03 through 2024-12-18 |
| Daily
12:40
Dulles, Washington (IAD)
15:28
Seattle-Tacoma (SEA) United Airlines UA 1932 Non-stop Boeing 737-800 (738) 5:48 Valid until 2024-09-25 |
| Mon,Tue,Thu
08:30
Dulles, Washington (IAD)
11:18
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-800 (738) 5:48 Effective 2024-09-26 through 2024-10-24 |
| Fri
08:30
Dulles, Washington (IAD)
11:18
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Boeing 737-900 (739) 5:48 Operates only on 2024-09-27 |
| Fri-Sun
08:30
Dulles, Washington (IAD)
11:19
Seattle-Tacoma (SEA) United Airlines UA 1964 Non-stop Airbus A319 (319) 5:49 Effective 2024-09-28 through 2024-10-26 |
- 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.
