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

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon-Fri,Sun 21:55 Seattle-Tacoma (SEA) 06:01 Dulles, Washington (IAD)
KLM KL 6624 Non-stop Airbus A220-300 (223) 5:06 Effective 2024-09-09 through 2024-10-06
Codeshare flight, operated by Delta Air Lines.(DL 541)
The flight arrives 1 day after departure.
Mon-Fri,Sun 21:55 Seattle-Tacoma (SEA) 05:53 Dulles, Washington (IAD)
KLM KL 6624 Non-stop Airbus A220-300 (223) 4:58 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by Delta Air Lines.(DL 541)
The flight arrives 1 day after departure.
Mon-Fri,Sun 21:59 Seattle-Tacoma (SEA) 05:56 Dulles, Washington (IAD)
KLM KL 6624 Non-stop Airbus A220-300 (223) 4:57 Effective 2024-09-02 through 2024-09-08
Codeshare flight, operated by Delta Air Lines.(DL 541)
The flight arrives 1 day after departure.
Mon-Thu,Sat 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD)
KLM KL 7251 Non-stop Airbus A220-100 (221) 5:08 Effective 2025-03-31 through 2025-04-12
Codeshare flight, operated by Delta Air Lines.(DL 508)
Tue 07:35 Seattle-Tacoma (SEA) 15:47 Dulles, Washington (IAD)
KLM KL 7251 Non-stop Airbus A220-300 (223) 5:12 Effective 2025-04-15 through 2025-05-06
Codeshare flight, operated by Delta Air Lines.(DL 508)
Daily 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD)
KLM KL 8009 Non-stop Airbus A220-300 (223) 5:08 Effective 2025-01-06 through 2025-03-08
Codeshare flight, operated by Delta Air Lines.(DL 508)
Wed 07:35 Seattle-Tacoma (SEA) 15:43 Dulles, Washington (IAD)
KLM KL 8009 Non-stop Airbus A220-100 (221) 5:08 Effective 2025-03-12 through 2025-03-26
Codeshare flight, operated by Delta Air Lines.(DL 508)
Mon-Fri,Sun 08:55 Seattle-Tacoma (SEA) 17:00 Dulles, Washington (IAD)
KLM KL 8009 Non-stop Airbus A220-300 (223) 5:05 Effective 2024-10-27 through 2024-11-01
Codeshare flight, operated by Delta Air Lines.(DL 508)
Sat 08:55 Seattle-Tacoma (SEA) 17:03 Dulles, Washington (IAD)
KLM KL 8009 Non-stop Airbus A220-300 (223) 5:08 Operates only on 2024-11-02
Codeshare flight, operated by Delta Air Lines.(DL 508)
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KLM flights from Seattle-Tacoma (SEA) to Dulles, Washington (IAD).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
KLM KL6624
21:55
Seattle-Tacoma (SEA)

06:01(+1)
Dulles, Washington (IAD)
Effective 2024-09-09 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 541)
Duration: 5:06, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
KLM KL6624
21:55
Seattle-Tacoma (SEA)

05:53(+1)
Dulles, Washington (IAD)
Effective 2024-10-07 through 2024-10-25
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 541)
Duration: 4:58, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
KLM KL6624
21:59
Seattle-Tacoma (SEA)

05:56(+1)
Dulles, Washington (IAD)
Effective 2024-09-02 through 2024-09-08
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 541)
Duration: 4:57, non-stop
Airbus A220-300 (223)
The flight arrives 1 day after departure.
KLM KL7251
07:35
Seattle-Tacoma (SEA)

15:43
Dulles, Washington (IAD)
Effective 2025-03-31 through 2025-04-12
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 5:08, non-stop
Airbus A220-100 (221)
KLM KL7251
07:35
Seattle-Tacoma (SEA)

15:47
Dulles, Washington (IAD)
Effective 2025-04-15 through 2025-05-06
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 5:12, non-stop
Airbus A220-300 (223)
KLM KL8009
07:35
Seattle-Tacoma (SEA)

15:43
Dulles, Washington (IAD)
Effective 2025-01-06 through 2025-03-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 5:08, non-stop
Airbus A220-300 (223)
KLM KL8009
07:35
Seattle-Tacoma (SEA)

15:43
Dulles, Washington (IAD)
Effective 2025-03-12 through 2025-03-26
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 5:08, non-stop
Airbus A220-100 (221)
KLM KL8009
08:55
Seattle-Tacoma (SEA)

17:00
Dulles, Washington (IAD)
Effective 2024-10-27 through 2024-11-01
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 5:05, non-stop
Airbus A220-300 (223)
KLM KL8009
08:55
Seattle-Tacoma (SEA)

17:03
Dulles, Washington (IAD)
Operates only on 2024-11-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 508)
Duration: 5:08, non-stop
Airbus A220-300 (223)
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Parallax here SEA-IAD
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Dulles, Washington airport (IAD).
  • The flight distance is 2299 miles, or 3699 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-5 . 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 4:57 and 5:12.
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