JAL flights from Kalispell (FCA) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 06:05 Kalispell (FCA) 06:52 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:47 Valid until 2026-01-06
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Daily 06:15 Kalispell (FCA) 06:54 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:39 Effective 2026-02-12 through 2026-03-17
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Daily 06:25 Kalispell (FCA) 07:11 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:46 Effective 2026-01-07 through 2026-02-11
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Daily 06:33 Kalispell (FCA) 07:11 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2026-06-10 through 2026-07-06
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Mon,Sat,Sun 06:33 Kalispell (FCA) 07:11 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:38 Effective 2026-07-11 through 2026-08-03
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Daily 06:33 Kalispell (FCA) 07:11 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:38 Effective from 2026-08-04
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Daily 06:40 Kalispell (FCA) 07:17 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2026-03-19 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Daily 06:44 Kalispell (FCA) 07:15 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:31 Effective 2026-05-13 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 2331)
Wed 11:05 Kalispell (FCA) 11:34 Seattle-Tacoma (SEA)
JAL JL 6377 Non-stop Embraer EMB 175 (E75) 1:29 Operates only on 2026-03-18
Codeshare flight, operated by Alaska Airlines.(AS 2402)




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JAL flights from Kalispell (FCA) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
JAL JL6377
06:05
Kalispell (FCA)

06:52
Seattle-Tacoma (SEA)
Valid until 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:47, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:15
Kalispell (FCA)

06:54
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:39, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:25
Kalispell (FCA)

07:11
Seattle-Tacoma (SEA)
Effective 2026-01-07 through 2026-02-11
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:46, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:33
Kalispell (FCA)

07:11
Seattle-Tacoma (SEA)
Effective 2026-06-10 through 2026-07-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:33
Kalispell (FCA)

07:11
Seattle-Tacoma (SEA)
Effective 2026-07-11 through 2026-08-03
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:33
Kalispell (FCA)

07:11
Seattle-Tacoma (SEA)
Effective from 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:38, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:40
Kalispell (FCA)

07:17
Seattle-Tacoma (SEA)
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
06:44
Kalispell (FCA)

07:15
Seattle-Tacoma (SEA)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2331)
Duration: 1:31, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
JAL JL6377
11:05
Kalispell (FCA)

11:34
Seattle-Tacoma (SEA)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 2402)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Kalispell airport (FCA) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 378 miles, or 608 km.
  • The timezone of the departure airport is UTC-7 , 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 1:29 and 1:47.
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