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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 05:02 Seattle-Tacoma (SEA) 11:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7103 Non-stop Boeing 737-800 (738) 4:03 Effective 2024-10-07 through 2024-10-26
Codeshare flight, operated by American Airlines.(AA 1071)
Mon-Sat 06:00 Seattle-Tacoma (SEA) 12:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7103 Non-stop Boeing 737-800 (738) 4:05 Valid until 2024-09-03
Codeshare flight, operated by American Airlines.(AA 1071)
Daily 06:00 Seattle-Tacoma (SEA) 12:12 Chicago O'Hare (ORD) 3
Aer Lingus EI 7103 Non-stop Boeing 737-800 (738) 4:12 Effective 2024-09-04 through 2024-10-06
Codeshare flight, operated by American Airlines.(AA 1071)
Daily 00:22 Seattle-Tacoma (SEA) 06:26 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:04 Effective 2024-09-05 through 2024-10-06
Codeshare flight, operated by American Airlines.(AA 2368)
Daily 13:35 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:05 Effective 2025-03-09 through 2025-04-03
Codeshare flight, operated by American Airlines.(AA 2398)
Mon,Fri,Sun 13:36 Seattle-Tacoma (SEA) 19:39 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:03 Effective 2024-10-27 through 2024-11-01
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 13:39 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:01 Effective 2025-01-07 through 2025-02-12
Codeshare flight, operated by American Airlines.(AA 2398)
Mon 13:40 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:00 Operates only on 2025-01-06
Codeshare flight, operated by American Airlines.(AA 2398)
Daily 13:42 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 3:58 Effective 2025-02-13 through 2025-02-28
Codeshare flight, operated by American Airlines.(AA 2398)
Daily 22:51 Seattle-Tacoma (SEA) 05:00 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:09 Valid until 2024-09-03
Codeshare flight, operated by American Airlines.(AA 2368)
The flight arrives 1 day after departure.
Thu 22:52 Seattle-Tacoma (SEA) 05:07 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737 MAX 8 (7M8) 4:15 Operates only on 2025-06-05
Codeshare flight, operated by American Airlines.(AA 2368)
The flight arrives 1 day after departure.
Daily 22:52 Seattle-Tacoma (SEA) 05:07 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:15 Effective from 2025-06-06
Codeshare flight, operated by American Airlines.(AA 2368)
The flight arrives 1 day after departure.
Fri 22:54 Seattle-Tacoma (SEA) 05:00 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:06 Operates only on 2025-04-04
Codeshare flight, operated by American Airlines.(AA 2368)
The flight arrives 1 day after departure.
Daily 22:54 Seattle-Tacoma (SEA) 05:00 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737 MAX 8 (7M8) 4:06 Effective 2025-04-05 through 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2368)
The flight arrives 1 day after departure.
Daily 23:55 Seattle-Tacoma (SEA) 06:07 Chicago O'Hare (ORD) 3
Aer Lingus EI 7157 Non-stop Boeing 737-800 (738) 4:12 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2368)
The flight arrives 1 day after departure.
Wed,Thu,Sun 00:05 Seattle-Tacoma (SEA) 06:06 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:01 Effective 2024-11-06 through 2024-11-21
Codeshare flight, operated by American Airlines.(AA 2818)
Mon-Wed,Fri-Sun 00:05 Seattle-Tacoma (SEA) 06:06 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737 MAX 8 (7M8) 4:01 Effective 2024-11-22 through 2024-11-27
Codeshare flight, operated by American Airlines.(AA 2818)
Mon-Wed,Sat,Sun 00:05 Seattle-Tacoma (SEA) 06:06 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737 MAX 8 (7M8) 4:01 Effective 2024-11-30 through 2024-12-04
Codeshare flight, operated by American Airlines.(AA 2818)
Mon,Tue,Fri,Sat 00:15 Seattle-Tacoma (SEA) 06:19 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:04 Effective 2024-11-05 through 2024-11-19
Codeshare flight, operated by American Airlines.(AA 2818)
Tue,Sat 00:26 Seattle-Tacoma (SEA) 06:30 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:04 Effective 2024-10-08 through 2024-10-26
Codeshare flight, operated by American Airlines.(AA 341)
Mon,Tue,Fri,Sat 00:26 Seattle-Tacoma (SEA) 06:30 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:04 Effective 2024-10-28 through 2024-11-02
Codeshare flight, operated by American Airlines.(AA 341)
Daily 13:24 Seattle-Tacoma (SEA) 19:35 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:11 Effective from 2025-06-05
Codeshare flight, operated by American Airlines.(AA 2359)
Mon,Tue,Thu,Fri,Sun 13:26 Seattle-Tacoma (SEA) 19:31 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:05 Valid until 2024-09-03
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 13:29 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:11 Effective 2025-05-05 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2359)
Daily 13:32 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:08 Effective 2025-04-04 through 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2359)
Mon,Thu,Fri,Sun 13:35 Seattle-Tacoma (SEA) 19:45 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:10 Effective 2024-09-05 through 2024-10-06
Codeshare flight, operated by American Airlines.(AA 2359)
Mon,Thu,Fri,Sun 13:36 Seattle-Tacoma (SEA) 19:39 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:03 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by American Airlines.(AA 2359)
Thu,Fri 23:59 Seattle-Tacoma (SEA) 06:02 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:03 Effective 2024-11-28 through 2024-11-29
Codeshare flight, operated by American Airlines.(AA 3111)
The flight arrives 1 day after departure.
Daily 23:59 Seattle-Tacoma (SEA) 05:58 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 3:59 Effective 2024-12-05 through 2024-12-18
Codeshare flight, operated by American Airlines.(AA 3156)
The flight arrives 1 day after departure.
Mon,Thu,Fri 00:26 Seattle-Tacoma (SEA) 06:30 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Boeing 737-800 (738) 4:04 Effective 2024-10-07 through 2024-10-25
Codeshare flight, operated by American Airlines.(AA 341)
Mon 00:26 Seattle-Tacoma (SEA) 06:30 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Boeing 737-800 (738) 4:04 Operates only on 2024-11-04
Codeshare flight, operated by American Airlines.(AA 341)
Daily 05:05 Seattle-Tacoma (SEA) 11:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Boeing 737-800 (738) 4:00 Effective from 2025-06-05
Codeshare flight, operated by American Airlines.(AA 1071)




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Aer Lingus flights from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Aer Lingus EI7103
05:02
Seattle-Tacoma (SEA)

11:05
Chicago O'Hare (ORD) 3
Effective 2024-10-07 through 2024-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1071)
Duration: 4:03, non-stop
Boeing 737-800 (738)
Aer Lingus EI7103
06:00
Seattle-Tacoma (SEA)

12:05
Chicago O'Hare (ORD) 3
Valid until 2024-09-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1071)
Duration: 4:05, non-stop
Boeing 737-800 (738)
Aer Lingus EI7103
06:00
Seattle-Tacoma (SEA)

12:12
Chicago O'Hare (ORD) 3
Effective 2024-09-04 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1071)
Duration: 4:12, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
00:22
Seattle-Tacoma (SEA)

06:26
Chicago O'Hare (ORD) 3
Effective 2024-09-05 through 2024-10-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
13:35
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Effective 2025-03-09 through 2025-04-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2398)
Duration: 4:05, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
13:36
Seattle-Tacoma (SEA)

19:39
Chicago O'Hare (ORD) 3
Effective 2024-10-27 through 2024-11-01
Mon
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:03, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
13:39
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Effective 2025-01-07 through 2025-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2398)
Duration: 4:01, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
13:40
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Operates only on 2025-01-06
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2398)
Duration: 4:00, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
13:42
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Effective 2025-02-13 through 2025-02-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2398)
Duration: 3:58, non-stop
Boeing 737-800 (738)
Aer Lingus EI7157
22:51
Seattle-Tacoma (SEA)

05:00(+1)
Chicago O'Hare (ORD) 3
Valid until 2024-09-03
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:09, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7157
22:52
Seattle-Tacoma (SEA)

05:07(+1)
Chicago O'Hare (ORD) 3
Operates only on 2025-06-05
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:15, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Aer Lingus EI7157
22:52
Seattle-Tacoma (SEA)

05:07(+1)
Chicago O'Hare (ORD) 3
Effective from 2025-06-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:15, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7157
22:54
Seattle-Tacoma (SEA)

05:00(+1)
Chicago O'Hare (ORD) 3
Operates only on 2025-04-04
Mon
-
Tue
-
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:06, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7157
22:54
Seattle-Tacoma (SEA)

05:00(+1)
Chicago O'Hare (ORD) 3
Effective 2025-04-05 through 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:06, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Aer Lingus EI7157
23:55
Seattle-Tacoma (SEA)

06:07(+1)
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2368)
Duration: 4:12, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7359
00:05
Seattle-Tacoma (SEA)

06:06
Chicago O'Hare (ORD) 3
Effective 2024-11-06 through 2024-11-21
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2818)
Duration: 4:01, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
00:05
Seattle-Tacoma (SEA)

06:06
Chicago O'Hare (ORD) 3
Effective 2024-11-22 through 2024-11-27
Mon
Tue
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2818)
Duration: 4:01, non-stop
Boeing 737 MAX 8 (7M8)
Aer Lingus EI7359
00:05
Seattle-Tacoma (SEA)

06:06
Chicago O'Hare (ORD) 3
Effective 2024-11-30 through 2024-12-04
Mon
Tue
Wed
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2818)
Duration: 4:01, non-stop
Boeing 737 MAX 8 (7M8)
Aer Lingus EI7359
00:15
Seattle-Tacoma (SEA)

06:19
Chicago O'Hare (ORD) 3
Effective 2024-11-05 through 2024-11-19
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2818)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
00:26
Seattle-Tacoma (SEA)

06:30
Chicago O'Hare (ORD) 3
Effective 2024-10-08 through 2024-10-26
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 341)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
00:26
Seattle-Tacoma (SEA)

06:30
Chicago O'Hare (ORD) 3
Effective 2024-10-28 through 2024-11-02
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 341)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
13:24
Seattle-Tacoma (SEA)

19:35
Chicago O'Hare (ORD) 3
Effective from 2025-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:11, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
13:26
Seattle-Tacoma (SEA)

19:31
Chicago O'Hare (ORD) 3
Valid until 2024-09-03
Mon
Tue
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:05, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
13:29
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:11, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
13:32
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Effective 2025-04-04 through 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:08, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
13:35
Seattle-Tacoma (SEA)

19:45
Chicago O'Hare (ORD) 3
Effective 2024-09-05 through 2024-10-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:10, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
13:36
Seattle-Tacoma (SEA)

19:39
Chicago O'Hare (ORD) 3
Effective 2024-10-07 through 2024-10-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2359)
Duration: 4:03, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
23:59
Seattle-Tacoma (SEA)

06:02(+1)
Chicago O'Hare (ORD) 3
Effective 2024-11-28 through 2024-11-29
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3111)
Duration: 4:03, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7359
23:59
Seattle-Tacoma (SEA)

05:58(+1)
Chicago O'Hare (ORD) 3
Effective 2024-12-05 through 2024-12-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3156)
Duration: 3:59, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7548
00:26
Seattle-Tacoma (SEA)

06:30
Chicago O'Hare (ORD) 3
Effective 2024-10-07 through 2024-10-25
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 341)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7548
00:26
Seattle-Tacoma (SEA)

06:30
Chicago O'Hare (ORD) 3
Operates only on 2024-11-04
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 341)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7548
05:05
Seattle-Tacoma (SEA)

11:05
Chicago O'Hare (ORD) 3
Effective from 2025-06-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1071)
Duration: 4:00, non-stop
Boeing 737-800 (738)
  • A domestic route departing from the Seattle-Tacoma airport (SEA) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 1715 miles, or 2760 km.
  • The timezone of the departure airport is UTC-8 , and the timezone of the arrival airport is UTC-6 . 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 3:58 and 4:15.
All SEA-ORD flights
All Aer Lingus flights
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