KLM flights from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 08:00 Dulles, Washington (IAD) 10:54 Seattle-Tacoma (SEA)
KLM KL 7391 Non-stop Airbus A220-100 (221) 5:54 Effective from 2024-10-27
Codeshare flight, operated by Delta Air Lines.(DL 438)
Daily 08:00 Dulles, Washington (IAD) 10:58 Seattle-Tacoma (SEA)
KLM KL 7897 Non-stop Airbus A220-300 (223) 5:58 Effective 2024-04-09 through 2024-06-06
Codeshare flight, operated by Delta Air Lines.(DL 639)
Daily 08:00 Dulles, Washington (IAD) 10:34 Seattle-Tacoma (SEA)
KLM KL 7897 Non-stop Airbus A220-300 (223) 5:34 Effective 2024-06-07 through 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 639)
Daily 08:00 Dulles, Washington (IAD) 10:54 Seattle-Tacoma (SEA)
KLM KL 7897 Non-stop Airbus A220-100 (221) 5:54 Effective 2024-09-09 through 2024-10-26
Codeshare flight, operated by Delta Air Lines.(DL 438)


KLM flights from Dulles, Washington (IAD) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective from 2024-10-27
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 438)
Duration: 5:54, non-stop
Airbus A220-100 (221)

Effective 2024-04-09 through 2024-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 639)
Duration: 5:58, non-stop
Airbus A220-300 (223)

Effective 2024-06-07 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 639)
Duration: 5:34, non-stop
Airbus A220-300 (223)

Effective 2024-09-09 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 438)
Duration: 5:54, non-stop
Airbus A220-100 (221)
  • 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 5:34 and 5:58.