Finnair flights from Portland (PDX) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Fri,Sun 13:15 Portland (PDX) 14:16 Seattle-Tacoma (SEA)
Finnair AY 3912 Non-stop Boeing 737 (73J) 1:01 Effective 2026-06-12 through 2026-08-14
Codeshare flight, operated by Alaska Airlines.(AS 437)
Mon 13:15 Portland (PDX) 14:16 Seattle-Tacoma (SEA)
Finnair AY 3912 Non-stop Boeing 737 (73J) 1:01 Operates only on 2026-08-17
Codeshare flight, operated by Alaska Airlines.(AS 437)
Tue,Fri,Sun 13:25 Portland (PDX) 14:26 Seattle-Tacoma (SEA)
Finnair AY 3912 Non-stop Boeing 737 (73J) 1:01 Effective 2026-05-15 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 286)
Tue 13:45 Portland (PDX) 14:38 Seattle-Tacoma (SEA)
Finnair AY 3912 Non-stop Embraer EMB 175 (E75) 0:53 Effective 2026-04-28 through 2026-05-05
Codeshare flight, operated by Alaska Airlines.(AS 2082)
Tue,Sun 13:45 Portland (PDX) 14:38 Seattle-Tacoma (SEA)
Finnair AY 3912 Non-stop Embraer EMB 175 (E75) 0:53 Effective 2026-05-10 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 2082)
Mon,Fri 13:50 Portland (PDX) 14:51 Seattle-Tacoma (SEA)
Finnair AY 3912 Non-stop Boeing 737 (73J) 1:01 Effective 2026-08-21 through 2026-09-28
Codeshare flight, operated by Alaska Airlines.(AS 437)
Tue,Fri,Sun 14:30 Portland (PDX) 15:24 Seattle-Tacoma (SEA)
Finnair AY 3942 Non-stop Embraer EMB 175 (E75) 0:54 Effective 2026-06-12 through 2026-08-14
Codeshare flight, operated by Alaska Airlines.(AS 2188)
Mon,Fri 14:30 Portland (PDX) 15:24 Seattle-Tacoma (SEA)
Finnair AY 3942 Non-stop Embraer EMB 175 (E75) 0:54 Effective 2026-08-17 through 2026-09-28
Codeshare flight, operated by Alaska Airlines.(AS 2188)
Tue,Fri,Sun 15:35 Portland (PDX) 16:31 Seattle-Tacoma (SEA)
Finnair AY 3942 Non-stop Embraer EMB 175 (E75) 0:56 Effective 2026-05-15 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 2189)
Tue 15:45 Portland (PDX) 16:38 Seattle-Tacoma (SEA)
Finnair AY 3942 Non-stop Embraer EMB 175 (E75) 0:53 Effective 2026-04-28 through 2026-05-05
Codeshare flight, operated by Alaska Airlines.(AS 2249)
Tue,Sun 15:45 Portland (PDX) 16:38 Seattle-Tacoma (SEA)
Finnair AY 3942 Non-stop Embraer EMB 175 (E75) 0:53 Effective 2026-05-10 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 2249)




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Finnair flights from Portland (PDX) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY3912
13:15
Portland (PDX)

14:16
Seattle-Tacoma (SEA)
Effective 2026-06-12 through 2026-08-14
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 437)
Duration: 1:01, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3912
13:15
Portland (PDX)

14:16
Seattle-Tacoma (SEA)
Operates only on 2026-08-17
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 437)
Duration: 1:01, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3912
13:25
Portland (PDX)

14:26
Seattle-Tacoma (SEA)
Effective 2026-05-15 through 2026-06-09
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 286)
Duration: 1:01, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3912
13:45
Portland (PDX)

14:38
Seattle-Tacoma (SEA)
Effective 2026-04-28 through 2026-05-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 2082)
Duration: 0:53, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3912
13:45
Portland (PDX)

14:38
Seattle-Tacoma (SEA)
Effective 2026-05-10 through 2026-05-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2082)
Duration: 0:53, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3912
13:50
Portland (PDX)

14:51
Seattle-Tacoma (SEA)
Effective 2026-08-21 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 437)
Duration: 1:01, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3942
14:30
Portland (PDX)

15:24
Seattle-Tacoma (SEA)
Effective 2026-06-12 through 2026-08-14
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2188)
Duration: 0:54, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3942
14:30
Portland (PDX)

15:24
Seattle-Tacoma (SEA)
Effective 2026-08-17 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 2188)
Duration: 0:54, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3942
15:35
Portland (PDX)

16:31
Seattle-Tacoma (SEA)
Effective 2026-05-15 through 2026-06-09
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2189)
Duration: 0:56, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3942
15:45
Portland (PDX)

16:38
Seattle-Tacoma (SEA)
Effective 2026-04-28 through 2026-05-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 2249)
Duration: 0:53, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY3942
15:45
Portland (PDX)

16:38
Seattle-Tacoma (SEA)
Effective 2026-05-10 through 2026-05-12
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 2249)
Duration: 0:53, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Portland airport (PDX) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 129 miles, or 208 km.
  • The timezone of both the departure and the arrival airports is UTC-8 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 0:53 and 1:01.
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