KLM flights from Boston Logan (BOS) to Seattle-Tacoma (SEA).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Tue,Thu 15:30 Boston Logan (BOS) A 19:00 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-05-07 through 2026-05-21
Codeshare flight, operated by Delta Air Lines.(DL 2889)
Thu 15:30 Boston Logan (BOS) A 19:00 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-05-28 through 2026-07-02
Codeshare flight, operated by Delta Air Lines.(DL 2889)
Mon,Tue,Thu 15:30 Boston Logan (BOS) A 19:00 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-07-06 through 2026-10-05
Codeshare flight, operated by Delta Air Lines.(DL 2889)
Mon,Tue,Thu 15:30 Boston Logan (BOS) A 18:59 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:29 Effective 2026-10-06 through 2026-10-22
Codeshare flight, operated by Delta Air Lines.(DL 2889)
Mon-Thu,Sat 18:35 Boston Logan (BOS) A 22:05 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-04-13 through 2026-05-06
Codeshare flight, operated by Delta Air Lines.(DL 324)
Sat 18:35 Boston Logan (BOS) A 22:05 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:30 Effective 2026-05-09 through 2026-05-30
Codeshare flight, operated by Delta Air Lines.(DL 324)
Sat 18:42 Boston Logan (BOS) A 22:05 Seattle-Tacoma (SEA)
KLM KL 6760 Non-stop Airbus A321neo (32Q) 6:23 Effective 2026-04-04 through 2026-04-11
Codeshare flight, operated by Delta Air Lines.(DL 324)
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Parallax here BOS-SEA


KLM flights from Boston Logan (BOS) to Seattle-Tacoma (SEA).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2026-05-07 through 2026-05-21
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2889)
Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-05-28 through 2026-07-02
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2889)
Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-07-06 through 2026-10-05
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2889)
Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-10-06 through 2026-10-22
Mon
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2889)
Duration: 6:29, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-04-13 through 2026-05-06
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 324)
Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-05-09 through 2026-05-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 324)
Duration: 6:30, non-stop
Airbus A321neo (32Q)

Direct Codeshare Flights:

Effective 2026-04-04 through 2026-04-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 324)
Duration: 6:23, non-stop
Airbus A321neo (32Q)
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Parallax here BOS-SEA
  • A domestic route departing from the Boston Logan airport (BOS) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2487 miles, or 4003 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 6:23 and 6:30.