Finnair flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Tue,Fri,Sun 10:00 Chicago O'Hare (ORD) 2 12:25 Seattle-Tacoma (SEA)
Finnair AY 3910 Non-stop Boeing 737 (73J) 4:25 Effective 2026-05-15 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 329)
Mon 13:03 Chicago O'Hare (ORD) 2 15:44 Seattle-Tacoma (SEA)
Finnair AY 3910 Non-stop Boeing 737 (73J) 4:41 Effective 2026-08-17 through 2026-09-28
Codeshare flight, operated by Alaska Airlines.(AS 274)
Mon,Wed,Sat 19:51 Chicago O'Hare (ORD) 2 22:30 Seattle-Tacoma (SEA)
Finnair AY 3910 Non-stop Boeing 737 (73J) 4:39 Effective 2026-05-13 through 2026-06-08
Codeshare flight, operated by Alaska Airlines.(AS 427)
Daily 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Finnair AY 3910 Non-stop Boeing 737 (73J) 4:44 Effective 2026-06-10 through 2026-08-14
Codeshare flight, operated by Alaska Airlines.(AS 409)
Tue,Thu,Fri,Sun 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Finnair AY 3910 Non-stop Boeing 737 (73J) 4:44 Effective 2026-08-16 through 2026-10-23
Codeshare flight, operated by Alaska Airlines.(AS 409)
Tue,Fri 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Finnair AY 3910 Non-stop Boeing 737 (73J) 4:44 Effective from 2026-10-27
Codeshare flight, operated by Alaska Airlines.(AS 409)
Tue 10:00 Chicago O'Hare (ORD) 2 12:43 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:43 Effective 2026-04-28 through 2026-05-05
Codeshare flight, operated by Alaska Airlines.(AS 329)
Tue,Sun 10:00 Chicago O'Hare (ORD) 2 12:43 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:43 Effective 2026-05-10 through 2026-05-12
Codeshare flight, operated by Alaska Airlines.(AS 329)
Mon 10:00 Chicago O'Hare (ORD) 2 12:41 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:41 Operates only on 2026-08-17
Codeshare flight, operated by Alaska Airlines.(AS 329)
Tue,Fri,Sun 13:03 Chicago O'Hare (ORD) 2 15:44 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:41 Effective 2026-06-12 through 2026-08-14
Codeshare flight, operated by Alaska Airlines.(AS 274)
Fri 13:03 Chicago O'Hare (ORD) 2 15:44 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:41 Effective 2026-08-21 through 2026-09-25
Codeshare flight, operated by Alaska Airlines.(AS 274)
Tue,Thu,Fri,Sun 19:51 Chicago O'Hare (ORD) 2 22:30 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:39 Effective 2026-05-14 through 2026-06-09
Codeshare flight, operated by Alaska Airlines.(AS 427)
Wed 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:44 Effective 2026-08-19 through 2026-09-02
Codeshare flight, operated by Alaska Airlines.(AS 409)
Wed,Sat 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:44 Effective 2026-09-05 through 2026-09-26
Codeshare flight, operated by Alaska Airlines.(AS 409)
Mon,Wed,Sat 20:42 Chicago O'Hare (ORD) 2 23:26 Seattle-Tacoma (SEA)
Finnair AY 3980 Non-stop Boeing 737 (73J) 4:44 Effective 2026-09-28 through 2026-10-24
Codeshare flight, operated by Alaska Airlines.(AS 409)
Daily 21:28 Chicago O'Hare (ORD) 3 00:10 Seattle-Tacoma (SEA)
Finnair AY 4042 Non-stop Airbus A321 (321) 4:42 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 3029)
The flight arrives 1 day after departure.
Daily 21:35 Chicago O'Hare (ORD) 3 00:14 Seattle-Tacoma (SEA)
Finnair AY 4079 Non-stop Airbus A321 (321) 4:39 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 3221)
The flight arrives 1 day after departure.
Tue,Fri 21:35 Chicago O'Hare (ORD) 3 00:14 Seattle-Tacoma (SEA)
Finnair AY 4079 Non-stop Airbus A321 (321) 4:39 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 3221)
The flight arrives 1 day after departure.
Sat,Sun 20:25 Chicago O'Hare (ORD) 3 23:05 Seattle-Tacoma (SEA)
Finnair AY 4081 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-04-11 through 2026-04-26
Codeshare flight, operated by American Airlines.(AA 2792)
Daily 21:07 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
Finnair AY 4081 Non-stop Airbus A321 (321) 4:43 Effective 2026-08-05 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 3332)
Tue-Fri,Sun 21:07 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
Finnair AY 4081 Non-stop Airbus A321 (321) 4:43 Effective 2026-08-16 through 2026-09-04
Codeshare flight, operated by American Airlines.(AA 3332)
Tue,Sat,Sun 21:07 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
Finnair AY 4081 Non-stop Airbus A321 (321) 4:43 Effective 2026-09-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3332)
Mon,Wed,Fri,Sun 20:25 Chicago O'Hare (ORD) 3 23:10 Seattle-Tacoma (SEA)
Finnair AY 4109 Non-stop Airbus A321 (321) 4:45 Effective 2026-07-03 through 2026-08-03
Codeshare flight, operated by American Airlines.(AA 2534)
Mon,Wed 20:25 Chicago O'Hare (ORD) 3 23:05 Seattle-Tacoma (SEA)
Finnair AY 4112 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-04-08 through 2026-04-29
Codeshare flight, operated by American Airlines.(AA 2792)
Mon,Wed,Fri,Sun 20:25 Chicago O'Hare (ORD) 3 23:05 Seattle-Tacoma (SEA)
Finnair AY 4112 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-05-01 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 2792)
Tue,Sat 20:25 Chicago O'Hare (ORD) 3 23:05 Seattle-Tacoma (SEA)
Finnair AY 4113 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-05-02 through 2026-05-19
Codeshare flight, operated by American Airlines.(AA 2792)
Thu 20:25 Chicago O'Hare (ORD) 3 23:05 Seattle-Tacoma (SEA)
Finnair AY 4129 Non-stop Boeing 737-800 (738) 4:40 Effective 2026-04-09 through 2026-05-14
Codeshare flight, operated by American Airlines.(AA 2792)
Tue,Thu,Sat 20:25 Chicago O'Hare (ORD) 3 23:10 Seattle-Tacoma (SEA)
Finnair AY 4138 Non-stop Airbus A321 (321) 4:45 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2534)
Tue 11:45 Chicago O'Hare (ORD) 3 14:28 Seattle-Tacoma (SEA)
Finnair AY 4145 Non-stop Boeing 737 MAX 8 (7M8) 4:43 Effective 2026-04-28 through 2026-05-05
Codeshare flight, operated by American Airlines.(AA 2553)
Tue,Fri,Sun 11:45 Chicago O'Hare (ORD) 3 14:28 Seattle-Tacoma (SEA)
Finnair AY 4145 Non-stop Boeing 737 MAX 8 (7M8) 4:43 Effective 2026-05-10 through 2026-05-19
Codeshare flight, operated by American Airlines.(AA 2553)
Tue,Fri,Sun 11:45 Chicago O'Hare (ORD) 3 14:18 Seattle-Tacoma (SEA)
Finnair AY 4165 Non-stop Boeing 737-800 (738) 4:33 Effective 2026-05-22 through 2026-06-30
Codeshare flight, operated by American Airlines.(AA 2524)
Tue,Fri,Sun 11:45 Chicago O'Hare (ORD) 3 14:21 Seattle-Tacoma (SEA)
Finnair AY 4165 Non-stop Airbus A321 (321) 4:36 Effective 2026-07-03 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 2537)
Tue,Fri,Sun 11:45 Chicago O'Hare (ORD) 3 14:19 Seattle-Tacoma (SEA)
Finnair AY 4167 Non-stop Boeing 737-800 (738) 4:34 Effective 2026-08-07 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 1829)
Mon,Fri 11:45 Chicago O'Hare (ORD) 3 14:19 Seattle-Tacoma (SEA)
Finnair AY 4167 Non-stop Boeing 737-800 (738) 4:34 Effective 2026-08-17 through 2026-09-07
Codeshare flight, operated by American Airlines.(AA 1829)
Mon,Fri 11:45 Chicago O'Hare (ORD) 3 14:24 Seattle-Tacoma (SEA)
Finnair AY 4178 Non-stop Boeing 737-800 (738) 4:39 Effective 2026-09-11 through 2026-09-28
Codeshare flight, operated by American Airlines.(AA 1802)
Mon,Wed,Thu,Sat,Sun 20:45 Chicago O'Hare (ORD) 3 23:30 Seattle-Tacoma (SEA)
Finnair AY 4208 Non-stop Airbus A321 (321) 4:45 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3142)




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Finnair flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY3910
10:00
Chicago O'Hare (ORD) 2

12:25
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 329)
Duration: 4:25, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3910
13:03
Chicago O'Hare (ORD) 2

15:44
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 274)
Duration: 4:41, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3910
19:51
Chicago O'Hare (ORD) 2

22:30
Seattle-Tacoma (SEA)
Effective 2026-05-13 through 2026-06-08
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 427)
Duration: 4:39, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3910
20:42
Chicago O'Hare (ORD) 2

23:26
Seattle-Tacoma (SEA)
Effective 2026-06-10 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 409)
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3910
20:42
Chicago O'Hare (ORD) 2

23:26
Seattle-Tacoma (SEA)
Effective 2026-08-16 through 2026-10-23
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 409)
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3910
20:42
Chicago O'Hare (ORD) 2

23:26
Seattle-Tacoma (SEA)
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 409)
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
10:00
Chicago O'Hare (ORD) 2

12:43
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 329)
Duration: 4:43, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
10:00
Chicago O'Hare (ORD) 2

12:43
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 329)
Duration: 4:43, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
10:00
Chicago O'Hare (ORD) 2

12:41
Seattle-Tacoma (SEA)
Operates only on 2026-08-17
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 329)
Duration: 4:41, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
13:03
Chicago O'Hare (ORD) 2

15:44
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 274)
Duration: 4:41, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
13:03
Chicago O'Hare (ORD) 2

15:44
Seattle-Tacoma (SEA)
Effective 2026-08-21 through 2026-09-25
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 274)
Duration: 4:41, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
19:51
Chicago O'Hare (ORD) 2

22:30
Seattle-Tacoma (SEA)
Effective 2026-05-14 through 2026-06-09
Mon
-
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by Alaska Airlines. (AS 427)
Duration: 4:39, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
20:42
Chicago O'Hare (ORD) 2

23:26
Seattle-Tacoma (SEA)
Effective 2026-08-19 through 2026-09-02
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 409)
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
20:42
Chicago O'Hare (ORD) 2

23:26
Seattle-Tacoma (SEA)
Effective 2026-09-05 through 2026-09-26
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 409)
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY3980
20:42
Chicago O'Hare (ORD) 2

23:26
Seattle-Tacoma (SEA)
Effective 2026-09-28 through 2026-10-24
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 409)
Duration: 4:44, non-stop
Boeing 737 (73J)
Direct Codeshare Flights:
Finnair AY4042
21:28
Chicago O'Hare (ORD) 3

00:10(+1)
Seattle-Tacoma (SEA)
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:42, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY4079
21:35
Chicago O'Hare (ORD) 3

00:14(+1)
Seattle-Tacoma (SEA)
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3221)
Duration: 4:39, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY4079
21:35
Chicago O'Hare (ORD) 3

00:14(+1)
Seattle-Tacoma (SEA)
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3221)
Duration: 4:39, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Direct Codeshare Flights:
Finnair AY4081
20:25
Chicago O'Hare (ORD) 3

23:05
Seattle-Tacoma (SEA)
Effective 2026-04-11 through 2026-04-26
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2792)
Duration: 4:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4081
21:07
Chicago O'Hare (ORD) 3

23:50
Seattle-Tacoma (SEA)
Effective 2026-08-05 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3332)
Duration: 4:43, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4081
21:07
Chicago O'Hare (ORD) 3

23:50
Seattle-Tacoma (SEA)
Effective 2026-08-16 through 2026-09-04
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3332)
Duration: 4:43, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4081
21:07
Chicago O'Hare (ORD) 3

23:50
Seattle-Tacoma (SEA)
Effective 2026-09-05 through 2026-09-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3332)
Duration: 4:43, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4109
20:25
Chicago O'Hare (ORD) 3

23:10
Seattle-Tacoma (SEA)
Effective 2026-07-03 through 2026-08-03
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2534)
Duration: 4:45, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4112
20:25
Chicago O'Hare (ORD) 3

23:05
Seattle-Tacoma (SEA)
Effective 2026-04-08 through 2026-04-29
Mon
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2792)
Duration: 4:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4112
20:25
Chicago O'Hare (ORD) 3

23:05
Seattle-Tacoma (SEA)
Effective 2026-05-01 through 2026-05-20
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2792)
Duration: 4:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4113
20:25
Chicago O'Hare (ORD) 3

23:05
Seattle-Tacoma (SEA)
Effective 2026-05-02 through 2026-05-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2792)
Duration: 4:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4129
20:25
Chicago O'Hare (ORD) 3

23:05
Seattle-Tacoma (SEA)
Effective 2026-04-09 through 2026-05-14
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2792)
Duration: 4:40, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4138
20:25
Chicago O'Hare (ORD) 3

23:10
Seattle-Tacoma (SEA)
Effective 2026-07-02 through 2026-08-04
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2534)
Duration: 4:45, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4145
11:45
Chicago O'Hare (ORD) 3

14:28
Seattle-Tacoma (SEA)
Effective 2026-04-28 through 2026-05-05
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2553)
Duration: 4:43, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4145
11:45
Chicago O'Hare (ORD) 3

14:28
Seattle-Tacoma (SEA)
Effective 2026-05-10 through 2026-05-19
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2553)
Duration: 4:43, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Finnair AY4165
11:45
Chicago O'Hare (ORD) 3

14:18
Seattle-Tacoma (SEA)
Effective 2026-05-22 through 2026-06-30
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2524)
Duration: 4:33, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4165
11:45
Chicago O'Hare (ORD) 3

14:21
Seattle-Tacoma (SEA)
Effective 2026-07-03 through 2026-08-04
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2537)
Duration: 4:36, non-stop
Airbus A321 (321)
Direct Codeshare Flights:
Finnair AY4167
11:45
Chicago O'Hare (ORD) 3

14:19
Seattle-Tacoma (SEA)
Effective 2026-08-07 through 2026-08-14
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1829)
Duration: 4:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4167
11:45
Chicago O'Hare (ORD) 3

14:19
Seattle-Tacoma (SEA)
Effective 2026-08-17 through 2026-09-07
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1829)
Duration: 4:34, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4178
11:45
Chicago O'Hare (ORD) 3

14:24
Seattle-Tacoma (SEA)
Effective 2026-09-11 through 2026-09-28
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 1802)
Duration: 4:39, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4208
20:45
Chicago O'Hare (ORD) 3

23:30
Seattle-Tacoma (SEA)
Effective 2026-03-29 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3142)
Duration: 4:45, non-stop
Airbus A321 (321)
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Seattle-Tacoma airport (SEA).
  • The flight distance is 1715 miles, or 2760 km.
  • The timezone of the departure airport is UTC-6 , 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 4:25 and 4:45.
All ORD-SEA flights
All Finnair flights
Return (SEA-ORD) flights
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