Alaska Airlines flights from Pittsburgh (PIT) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 08:03 Pittsburgh (PIT) 10:25 Seattle-Tacoma (SEA)
Alaska Airlines AS 341 Non-stop Boeing 737 (73J) 5:22 Effective from 2026-06-10
Daily 08:05 Pittsburgh (PIT) 10:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 341 Non-stop Boeing 737 (73J) 5:28 Effective 2026-05-13 through 2026-06-09
Wed 19:10 Pittsburgh (PIT) 21:24 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 (73J) 5:14 Operates only on 2026-03-18
Daily 19:10 Pittsburgh (PIT) 21:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 (73J) 5:22 Effective 2026-03-19 through 2026-05-12
Thu 19:31 Pittsburgh (PIT) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737-800 (73H) 5:33 Operates only on 2026-02-12
Mon,Wed-Fri,Sun 19:31 Pittsburgh (PIT) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 MAX 9 (7M9) 5:33 Effective 2026-02-13 through 2026-03-08
Mon,Fri 19:31 Pittsburgh (PIT) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737-800 (73H) 5:33 Effective 2026-03-09 through 2026-03-16
Wed 19:31 Pittsburgh (PIT) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 (73J) 5:33 Operates only on 2026-03-11
Thu,Sun 19:31 Pittsburgh (PIT) 22:04 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 MAX 9 (7M9) 5:33 Effective 2026-03-12 through 2026-03-15
Daily 19:42 Pittsburgh (PIT) 22:02 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 (73J) 5:20 Effective from 2026-06-10
Daily 19:44 Pittsburgh (PIT) 22:00 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 (73J) 5:16 Effective 2026-05-13 through 2026-06-09
Sun 19:45 Pittsburgh (PIT) 22:09 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Operates only on 2026-01-04
Tue,Sat 19:54 Pittsburgh (PIT) 22:18 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 (73J) 5:24 Valid until 2026-01-03
Mon,Wed-Fri 19:54 Pittsburgh (PIT) 22:18 Seattle-Tacoma (SEA)
Alaska Airlines AS 412 Non-stop Boeing 737 MAX 9 (7M9) 5:24 Valid until 2026-01-05
Thu 07:00 Pittsburgh (PIT) 09:33 Seattle-Tacoma (SEA)
Alaska Airlines AS 473 Non-stop Boeing 737 (73J) 5:33 Operates only on 2026-02-12
Wed 07:00 Pittsburgh (PIT) 09:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 743 Non-stop Boeing 737 MAX 9 (7M9) 5:32 Operates only on 2026-01-07
Mon,Wed-Fri,Sun 07:00 Pittsburgh (PIT) 09:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 743 Non-stop Boeing 737 (73J) 5:32 Effective 2026-01-08 through 2026-01-16
Sun 07:00 Pittsburgh (PIT) 09:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 743 Non-stop Boeing 737-800 (73H) 5:32 Operates only on 2026-01-18
Mon,Wed-Fri,Sun 07:00 Pittsburgh (PIT) 09:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 743 Non-stop Boeing 737 (73J) 5:32 Effective 2026-01-19 through 2026-02-04
Wed,Thu,Sun 07:00 Pittsburgh (PIT) 09:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 743 Non-stop Boeing 737-800 (73H) 5:32 Effective 2026-02-05 through 2026-02-11
Mon,Fri 07:00 Pittsburgh (PIT) 09:32 Seattle-Tacoma (SEA)
Alaska Airlines AS 743 Non-stop Boeing 737 (73J) 5:32 Effective 2026-02-06 through 2026-02-09




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Alaska Airlines flights from Pittsburgh (PIT) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Alaska Airlines AS341
08:03
Pittsburgh (PIT)

10:25
Seattle-Tacoma (SEA)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:22, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS341
08:05
Pittsburgh (PIT)

10:33
Seattle-Tacoma (SEA)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:28, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:10
Pittsburgh (PIT)

21:24
Seattle-Tacoma (SEA)
Operates only on 2026-03-18
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:14, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:10
Pittsburgh (PIT)

21:32
Seattle-Tacoma (SEA)
Effective 2026-03-19 through 2026-05-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:22, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:31
Pittsburgh (PIT)

22:04
Seattle-Tacoma (SEA)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS412
19:31
Pittsburgh (PIT)

22:04
Seattle-Tacoma (SEA)
Effective 2026-02-13 through 2026-03-08
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:33, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS412
19:31
Pittsburgh (PIT)

22:04
Seattle-Tacoma (SEA)
Effective 2026-03-09 through 2026-03-16
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS412
19:31
Pittsburgh (PIT)

22:04
Seattle-Tacoma (SEA)
Operates only on 2026-03-11
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:31
Pittsburgh (PIT)

22:04
Seattle-Tacoma (SEA)
Effective 2026-03-12 through 2026-03-15
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
Duration: 5:33, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS412
19:42
Pittsburgh (PIT)

22:02
Seattle-Tacoma (SEA)
Effective from 2026-06-10
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:20, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:44
Pittsburgh (PIT)

22:00
Seattle-Tacoma (SEA)
Effective 2026-05-13 through 2026-06-09
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:16, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:45
Pittsburgh (PIT)

22:09
Seattle-Tacoma (SEA)
Operates only on 2026-01-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS412
19:54
Pittsburgh (PIT)

22:18
Seattle-Tacoma (SEA)
Valid until 2026-01-03
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Duration: 5:24, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS412
19:54
Pittsburgh (PIT)

22:18
Seattle-Tacoma (SEA)
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
-
Duration: 5:24, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS473
07:00
Pittsburgh (PIT)

09:33
Seattle-Tacoma (SEA)
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Duration: 5:33, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS743
07:00
Pittsburgh (PIT)

09:32
Seattle-Tacoma (SEA)
Operates only on 2026-01-07
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Duration: 5:32, non-stop
Boeing 737 MAX 9 (7M9)
Direct Flights:
Alaska Airlines AS743
07:00
Pittsburgh (PIT)

09:32
Seattle-Tacoma (SEA)
Effective 2026-01-08 through 2026-01-16
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:32, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS743
07:00
Pittsburgh (PIT)

09:32
Seattle-Tacoma (SEA)
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Duration: 5:32, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS743
07:00
Pittsburgh (PIT)

09:32
Seattle-Tacoma (SEA)
Effective 2026-01-19 through 2026-02-04
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Duration: 5:32, non-stop
Boeing 737 (73J)
Direct Flights:
Alaska Airlines AS743
07:00
Pittsburgh (PIT)

09:32
Seattle-Tacoma (SEA)
Effective 2026-02-05 through 2026-02-11
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Duration: 5:32, non-stop
Boeing 737-800 (73H)
Direct Flights:
Alaska Airlines AS743
07:00
Pittsburgh (PIT)

09:32
Seattle-Tacoma (SEA)
Effective 2026-02-06 through 2026-02-09
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Duration: 5:32, non-stop
Boeing 737 (73J)
  • A domestic route departing from the Pittsburgh airport (PIT) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 2118 miles, or 3409 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 5:14 and 5:33.
All PIT-SEA flights
All Alaska Airlines flights
Return (SEA-PIT) flights
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