Alaska Airlines flights from Charleston (CHS) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Mon,Tue,Sat,Sun 18:57 Charleston (CHS) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 485 Non-stop Boeing 737 (73J) 6:03 Valid until 2026-01-06
Wed-Fri 18:57 Charleston (CHS) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 485 Non-stop Boeing 737 MAX 9 (7M9) 6:03 Valid until 2026-01-02
Wed 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 726 Non-stop Boeing 737 (73J) 6:07 Operates only on 2026-02-11
Daily 18:03 Charleston (CHS) 21:01 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 5:58 Effective from 2026-06-10
Mon-Thu,Sat,Sun 18:32 Charleston (CHS) 21:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 MAX 9 (7M9) 6:14 Effective 2026-02-12 through 2026-03-03
Fri 18:32 Charleston (CHS) 21:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:14 Effective 2026-02-13 through 2026-02-27
Mon,Wed,Fri 18:32 Charleston (CHS) 21:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:14 Effective 2026-03-04 through 2026-03-09
Tue-Thu,Sat,Sun 18:32 Charleston (CHS) 21:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 MAX 9 (7M9) 6:14 Effective 2026-03-05 through 2026-03-17
Mon,Fri 18:32 Charleston (CHS) 21:46 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:14 Effective 2026-03-13 through 2026-03-16
Wed 18:45 Charleston (CHS) 21:42 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 5:57 Operates only on 2026-03-18
Daily 18:45 Charleston (CHS) 21:51 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:06 Effective 2026-03-19 through 2026-05-12
Daily 18:56 Charleston (CHS) 21:59 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:03 Effective 2026-05-13 through 2026-06-09
Mon,Wed-Fri 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 MAX 9 (7M9) 6:07 Effective 2026-01-07 through 2026-01-23
Sun 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737-800 (73H) 6:07 Operates only on 2026-01-11
Sun 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:07 Operates only on 2026-01-18
Fri,Sun 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 MAX 9 (7M9) 6:07 Effective 2026-01-25 through 2026-01-30
Mon,Thu,Sun 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:07 Effective 2026-01-26 through 2026-02-01
Wed 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737-800 (73H) 6:07 Operates only on 2026-01-28
Mon,Wed-Fri 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 MAX 9 (7M9) 6:07 Effective 2026-02-02 through 2026-02-09
Sun 19:22 Charleston (CHS) 22:29 Seattle-Tacoma (SEA)
Alaska Airlines AS 787 Non-stop Boeing 737 (73J) 6:07 Operates only on 2026-02-08




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Alaska Airlines flights from Charleston (CHS) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS485
18:57
Charleston (CHS)

22:00
Seattle-Tacoma (SEA)
Valid until 2026-01-06
Mon
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Duration: 6:03, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS485
18:57
Charleston (CHS)

22:00
Seattle-Tacoma (SEA)
Valid until 2026-01-02
Mon
-
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:03, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS726
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Operates only on 2026-02-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:07, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:03
Charleston (CHS)

21:01
Seattle-Tacoma (SEA)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:58, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:32
Charleston (CHS)

21:46
Seattle-Tacoma (SEA)
Effective 2026-02-12 through 2026-03-03
Mon
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 6:14, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS787
18:32
Charleston (CHS)

21:46
Seattle-Tacoma (SEA)
Effective 2026-02-13 through 2026-02-27
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:14, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:32
Charleston (CHS)

21:46
Seattle-Tacoma (SEA)
Effective 2026-03-04 through 2026-03-09
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:14, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:32
Charleston (CHS)

21:46
Seattle-Tacoma (SEA)
Effective 2026-03-05 through 2026-03-17
Mon
-
Tue
Wed
Thu
Fri
-
Sat
Sun
Duration: 6:14, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS787
18:32
Charleston (CHS)

21:46
Seattle-Tacoma (SEA)
Effective 2026-03-13 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 6:14, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:45
Charleston (CHS)

21:42
Seattle-Tacoma (SEA)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:57, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:45
Charleston (CHS)

21:51
Seattle-Tacoma (SEA)
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:06, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
18:56
Charleston (CHS)

21:59
Seattle-Tacoma (SEA)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 6:03, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Effective 2026-01-07 through 2026-01-23
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:07, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Operates only on 2026-01-11
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:07, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:07, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Effective 2026-01-25 through 2026-01-30
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Duration: 6:07, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Effective 2026-01-26 through 2026-02-01
Mon
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 6:07, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Operates only on 2026-01-28
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 6:07, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Effective 2026-02-02 through 2026-02-09
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 6:07, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS787
19:22
Charleston (CHS)

22:29
Seattle-Tacoma (SEA)
Operates only on 2026-02-08
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 6:07, non-stop
Boeing 737 (73J)
  • A domestic route departing from the Charleston airport (CHS) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2409 miles, or 3877 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 5:57 and 6:14.
All CHS-SEA flights
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