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

Ad box here 7322741189 I FlightInfo Top Box
Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 17:28 Chicago O'Hare (ORD) 3 20:04 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737-800 (738) 4:36 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 1332)
Daily 18:35 Chicago O'Hare (ORD) 3 21:30 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737-800 (738) 4:55 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3029)
Mon,Thu-Sun 20:23 Chicago O'Hare (ORD) 3 23:09 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737-800 (738) 4:46 Effective 2025-05-05 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 3029)
Mon,Thu-Sun 20:23 Chicago O'Hare (ORD) 3 23:09 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737-800 (738) 4:46 Effective 2025-05-26 through 2025-06-02
Codeshare flight, operated by American Airlines.(AA 3029)
Daily 20:25 Chicago O'Hare (ORD) 3 23:09 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737 MAX 8 (7M8) 4:44 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3002)
Daily 20:25 Chicago O'Hare (ORD) 3 23:07 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737-800 (738) 4:42 Effective from 2026-02-12
Codeshare flight, operated by American Airlines.(AA 3137)
Mon,Thu,Fri,Sun 21:05 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Airbus A321 (321) 4:45 Effective 2025-07-06 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 3029)
Daily 21:05 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Boeing 737-800 (738) 4:45 Effective 2025-08-06 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3332)
Mon,Thu,Fri,Sun 21:36 Chicago O'Hare (ORD) 3 00:17 Seattle-Tacoma (SEA)
Aer Lingus EI 7109 Non-stop Airbus A321 (321) 4:41 Effective 2025-06-05 through 2025-07-03
Codeshare flight, operated by American Airlines.(AA 3029)
The flight arrives 1 day after departure.
Sat 06:55 Chicago O'Hare (ORD) 3 09:32 Seattle-Tacoma (SEA)
Aer Lingus EI 7521 Non-stop Boeing 737-800 (738) 4:37 Effective 2025-06-07 through 2025-06-28
Codeshare flight, operated by American Airlines.(AA 2101)
Daily 17:28 Chicago O'Hare (ORD) 3 20:03 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:35 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 3105)
Daily 17:28 Chicago O'Hare (ORD) 3 20:04 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:36 Effective 2025-07-05 through 2025-09-02
Codeshare flight, operated by American Airlines.(AA 3105)
Daily 20:25 Chicago O'Hare (ORD) 3 23:12 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:47 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 3221)
Daily 20:25 Chicago O'Hare (ORD) 3 23:15 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:50 Effective 2025-11-02 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 3221)
Daily 20:25 Chicago O'Hare (ORD) 3 23:18 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:53 Effective 2025-12-18 through 2025-12-24
Codeshare flight, operated by American Airlines.(AA 3221)
Daily 20:25 Chicago O'Hare (ORD) 3 23:18 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:53 Effective 2025-12-26 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 3221)
Daily 21:05 Chicago O'Hare (ORD) 3 23:50 Seattle-Tacoma (SEA)
Aer Lingus EI 7625 Non-stop Boeing 737-800 (738) 4:45 Effective 2025-09-03 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 2200)
Ad flat here 8924483383 I FlightInfo Lower
Parallax here ORD-SEA


Aer Lingus flights from Chicago O'Hare (ORD) to Seattle-Tacoma (SEA).
Ad mobi flat here (320x100px) 9629219771 M FlightInfo Top Flat
Select flight date:  Show Calendar
FLIGHT SCHEDULE
Direct Codeshare Flights:

Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1332)
Duration: 4:36, non-stop
Boeing 737-800 (738)

Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:55, non-stop
Boeing 737-800 (738)

Effective 2025-05-05 through 2025-05-24
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:46, non-stop
Boeing 737-800 (738)

Effective 2025-05-26 through 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:46, non-stop
Boeing 737-800 (738)

Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3002)
Duration: 4:44, non-stop
Boeing 737 MAX 8 (7M8)

Effective from 2026-02-12
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3137)
Duration: 4:42, non-stop
Boeing 737-800 (738)

Effective 2025-07-06 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:45, non-stop
Airbus A321 (321)

Effective 2025-08-06 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3332)
Duration: 4:45, non-stop
Boeing 737-800 (738)

Effective 2025-06-05 through 2025-07-03
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:41, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.

Effective 2025-06-07 through 2025-06-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2101)
Duration: 4:37, non-stop
Boeing 737-800 (738)

Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3105)
Duration: 4:35, non-stop
Boeing 737-800 (738)

Effective 2025-07-05 through 2025-09-02
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3105)
Duration: 4:36, non-stop
Boeing 737-800 (738)

Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3221)
Duration: 4:47, non-stop
Boeing 737-800 (738)

Effective 2025-11-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3221)
Duration: 4:50, non-stop
Boeing 737-800 (738)

Effective 2025-12-18 through 2025-12-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3221)
Duration: 4:53, non-stop
Boeing 737-800 (738)

Effective 2025-12-26 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3221)
Duration: 4:53, non-stop
Boeing 737-800 (738)

Effective 2025-09-03 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2200)
Duration: 4:45, non-stop
Boeing 737-800 (738)
Ad mobi box here (300x250px) 6815354179 M FlightInfo Bottom Box
Parallax here ORD-SEA
  • 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 (plus 1h DST), and the timezone of the arrival airport is UTC-8 (plus 1h DST). Current time at the point of departure is 3:15am, and 1:15am at the point of arrival. There is a -2 hour time difference between the airports.
  • For direct flights, the flight time varies between 4:35 and 4:55.