All airlines flying from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).

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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon 06:00 Seattle-Tacoma (SEA) 12:05 Chicago O'Hare (ORD) 2
Iberia IB 7340 Non-stop Boeing 737 (73J) 4:05 Effective 2025-08-25 through 2025-09-29
Codeshare flight, operated by Alaska Airlines.(AS 408)
Sat 06:00 Seattle-Tacoma (SEA) 12:07 Chicago O'Hare (ORD) 2
Iberia IB 7341 Non-stop Boeing 737 (73J) 4:07 Effective 2025-06-14 through 2025-08-16
Codeshare flight, operated by Alaska Airlines.(AS 408)
Mon,Tue,Thu-Sun 07:00 Seattle-Tacoma (SEA) 13:04 Chicago O'Hare (ORD) 2
Iberia IB 7341 Non-stop Boeing 737 (73J) 4:04 Effective 2025-10-04 through 2025-10-25
Codeshare flight, operated by Alaska Airlines.(AS 890)
Mon,Tue,Thu-Sun 08:00 Seattle-Tacoma (SEA) 14:19 Chicago O'Hare (ORD) 2
Iberia IB 7341 Non-stop Boeing 737 (73J) 4:19 Effective 2025-08-21 through 2025-10-03
Codeshare flight, operated by Alaska Airlines.(AS 890)
Tue,Thu 08:03 Seattle-Tacoma (SEA) 14:13 Chicago O'Hare (ORD) 2
Iberia IB 7341 Non-stop Boeing 737 (73J) 4:10 Effective 2025-06-12 through 2025-08-19
Codeshare flight, operated by Alaska Airlines.(AS 890)
Tue,Thu,Sat 08:04 Seattle-Tacoma (SEA) 14:18 Chicago O'Hare (ORD) 2
Iberia IB 7341 Non-stop Boeing 737 (73J) 4:14 Effective 2025-06-03 through 2025-06-10
Codeshare flight, operated by Alaska Airlines.(AS 331)
Sat 08:03 Seattle-Tacoma (SEA) 14:13 Chicago O'Hare (ORD) 2
Iberia IB 7342 Non-stop Boeing 737 (73J) 4:10 Effective 2025-06-14 through 2025-08-16
Codeshare flight, operated by Alaska Airlines.(AS 890)
Daily 05:02 Seattle-Tacoma (SEA) 11:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-10-06 through 2025-11-01
Codeshare flight, operated by American Airlines.(AA 2922)
Daily 06:24 Seattle-Tacoma (SEA) 12:28 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:04 Effective 2025-06-05 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 2922)
Sat 10:40 Seattle-Tacoma (SEA) 16:59 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:19 Effective 2025-07-05 through 2025-08-02
Codeshare flight, operated by American Airlines.(AA 1672)
Mon-Fri,Sun 10:46 Seattle-Tacoma (SEA) 16:59 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:13 Effective 2025-07-06 through 2025-08-05
Codeshare flight, operated by American Airlines.(AA 1672)
Tue 10:46 Seattle-Tacoma (SEA) 16:59 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Airbus A321 (321) 4:13 Operates only on 2025-08-19
Codeshare flight, operated by American Airlines.(AA 3234)
Daily 23:55 Seattle-Tacoma (SEA) 06:00 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:05 Effective 2025-08-06 through 2025-08-18
Codeshare flight, operated by American Airlines.(AA 3029)
The flight arrives 1 day after departure.
Daily 23:55 Seattle-Tacoma (SEA) 06:00 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:05 Effective 2025-08-20 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3029)
The flight arrives 1 day after departure.
Daily 23:59 Seattle-Tacoma (SEA) 06:04 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737 MAX 8 (7M8) 4:05 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 3208)
The flight arrives 1 day after departure.
Mon,Thu-Sun 23:59 Seattle-Tacoma (SEA) 06:07 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:08 Effective 2025-05-05 through 2025-05-24
Codeshare flight, operated by American Airlines.(AA 3029)
The flight arrives 1 day after departure.
Mon,Thu-Sun 23:59 Seattle-Tacoma (SEA) 06:07 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:08 Effective 2025-05-26 through 2025-06-02
Codeshare flight, operated by American Airlines.(AA 3029)
The flight arrives 1 day after departure.
Sat 23:59 Seattle-Tacoma (SEA) 06:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7359 Non-stop Boeing 737-800 (738) 4:06 Operates only on 2026-02-28
Codeshare flight, operated by American Airlines.(AA 3137)
The flight arrives 1 day after departure.
Sat 07:20 Seattle-Tacoma (SEA) 13:28 Chicago O'Hare (ORD) 5
KLM KL 7378 Non-stop Boeing 737-800 (738) 4:08 Effective 2025-11-08 through 2025-12-13
Codeshare flight, operated by Delta Air Lines.(DL 2055)
Mon,Wed,Fri-Sun 07:20 Seattle-Tacoma (SEA) 13:25 Chicago O'Hare (ORD) 5
KLM KL 7378 Non-stop Airbus A220-300 (223) 4:05 Effective from 2026-01-07
Codeshare flight, operated by Delta Air Lines.(DL 2055)
Mon,Wed,Fri,Sun 01:21 Seattle-Tacoma (SEA) 07:25 Chicago O'Hare (ORD) 3
Royal Jordanian RJ 7392 Non-stop Boeing 737-800 (738) 4:04 Effective 2025-10-26 through 2025-10-31
Codeshare flight, operated by American Airlines.(AA 2442)
Daily 01:22 Seattle-Tacoma (SEA) 07:25 Chicago O'Hare (ORD) 3
Royal Jordanian RJ 7392 Non-stop Boeing 737-800 (738) 4:03 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by American Airlines.(AA 2442)
Mon,Wed,Fri-Sun 01:23 Seattle-Tacoma (SEA) 07:25 Chicago O'Hare (ORD) 3
Royal Jordanian RJ 7392 Non-stop Boeing 737-800 (738) 4:02 Effective 2025-12-03 through 2025-12-15
Codeshare flight, operated by American Airlines.(AA 2442)
Tue,Wed 01:23 Seattle-Tacoma (SEA) 07:25 Chicago O'Hare (ORD) 3
Royal Jordanian RJ 7392 Non-stop Boeing 737-800 (738) 4:02 Effective 2025-12-16 through 2025-12-17
Codeshare flight, operated by American Airlines.(AA 2442)
Mon,Wed,Fri-Sun 01:24 Seattle-Tacoma (SEA) 07:25 Chicago O'Hare (ORD) 3
Royal Jordanian RJ 7392 Non-stop Boeing 737 MAX 8 (7M8) 4:01 Effective 2025-11-03 through 2025-12-01
Codeshare flight, operated by American Airlines.(AA 2442)
Daily 07:00 Seattle-Tacoma (SEA) 13:07 Chicago O'Hare (ORD) 1
Lufthansa LH 7507 Non-stop Airbus A320 (320) 4:07 Valid until 2025-05-20
Codeshare flight, operated by United Airlines.(UA 2226)
Wed 07:00 Seattle-Tacoma (SEA) 13:03 Chicago O'Hare (ORD) 1
Lufthansa LH 7507 Non-stop Airbus A320 (320) 4:03 Operates only on 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2226)
Thu 07:00 Seattle-Tacoma (SEA) 13:14 Chicago O'Hare (ORD) 1
Lufthansa LH 7507 Non-stop Boeing 737 MAX 9 (7M9) 4:14 Operates only on 2025-05-22
Codeshare flight, operated by United Airlines.(UA 1617)
Daily 07:00 Seattle-Tacoma (SEA) 13:14 Chicago O'Hare (ORD) 1
Lufthansa LH 7507 Non-stop Airbus A321neo (32Q) 4:14 Effective 2025-05-23 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 1617)
Daily 07:00 Seattle-Tacoma (SEA) 13:15 Chicago O'Hare (ORD) 1
Lufthansa LH 7507 Non-stop Airbus A321neo (32Q) 4:15 Effective 2025-08-19 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2618)
Daily 07:00 Seattle-Tacoma (SEA) 13:00 Chicago O'Hare (ORD) 1
Lufthansa LH 7507 Non-stop Boeing 737 MAX 8 (7M8) 4:00 Effective from 2025-10-26
Codeshare flight, operated by United Airlines.(UA 2618)
Daily 06:20 Seattle-Tacoma (SEA) 12:33 Chicago O'Hare (ORD) 3
Royal Jordanian RJ 7531 Non-stop Boeing 737 MAX 8 (7M8) 4:13 Effective 2025-05-06 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2682)
Daily 11:05 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737-900 (739) 4:05 Effective 2025-12-02 through 2025-12-17
Codeshare flight, operated by United Airlines.(UA 747)
Daily 11:05 Seattle-Tacoma (SEA) 17:10 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737-900 (739) 4:05 Effective from 2026-01-06
Codeshare flight, operated by United Airlines.(UA 747)
Daily 13:43 Seattle-Tacoma (SEA) 19:58 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2025-08-19 through 2025-09-24
Codeshare flight, operated by United Airlines.(UA 2665)
Daily 13:49 Seattle-Tacoma (SEA) 20:05 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Airbus A320 (320) 4:16 Effective 2025-05-22 through 2025-06-25
Codeshare flight, operated by United Airlines.(UA 2665)
Daily 13:55 Seattle-Tacoma (SEA) 20:11 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737-800 (738) 4:16 Effective 2025-06-26 through 2025-08-18
Codeshare flight, operated by United Airlines.(UA 2627)
Daily 13:55 Seattle-Tacoma (SEA) 20:10 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737 MAX 9 (7M9) 4:15 Effective 2025-09-25 through 2025-10-25
Codeshare flight, operated by United Airlines.(UA 2665)
Daily 14:07 Seattle-Tacoma (SEA) 20:10 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2025-10-26 through 2025-12-01
Codeshare flight, operated by United Airlines.(UA 2665)
Daily 14:07 Seattle-Tacoma (SEA) 20:10 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737 MAX 8 (7M8) 4:03 Effective 2025-12-18 through 2026-01-05
Codeshare flight, operated by United Airlines.(UA 2665)
Mon-Fri,Sun 14:15 Seattle-Tacoma (SEA) 20:25 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Airbus A320 (320) 4:10 Valid until 2025-05-21
Codeshare flight, operated by United Airlines.(UA 2665Z)
Sat 14:15 Seattle-Tacoma (SEA) 20:25 Chicago O'Hare (ORD) 1
Lufthansa LH 7537 Non-stop Boeing 737-700 (73G) 4:10 Effective 2025-05-03 through 2025-05-17
Codeshare flight, operated by United Airlines.(UA 2665)
Mon,Tue,Thu-Sat 00:05 Seattle-Tacoma (SEA) 06:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Airbus A321 (321) 4:00 Effective 2025-06-05 through 2025-06-10
Codeshare flight, operated by American Airlines.(AA 2499)
Mon,Tue,Fri,Sat 00:05 Seattle-Tacoma (SEA) 06:05 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Airbus A321 (321) 4:00 Effective 2025-06-13 through 2025-07-04
Codeshare flight, operated by American Airlines.(AA 2499)
Daily 06:18 Seattle-Tacoma (SEA) 12:23 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Boeing 737-800 (738) 4:05 Effective 2025-08-06 through 2025-09-30
Codeshare flight, operated by American Airlines.(AA 2922)
Daily 06:20 Seattle-Tacoma (SEA) 12:33 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Boeing 737 MAX 8 (7M8) 4:13 Effective 2025-05-06 through 2025-06-04
Codeshare flight, operated by American Airlines.(AA 2682)
Wed-Sun 10:46 Seattle-Tacoma (SEA) 16:59 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Airbus A321 (321) 4:13 Effective 2025-10-01 through 2025-10-05
Codeshare flight, operated by American Airlines.(AA 3334)
Daily 13:35 Seattle-Tacoma (SEA) 19:40 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Boeing 737-800 (738) 4:05 Valid until 2025-05-04
Codeshare flight, operated by American Airlines.(AA 2398)
Mon,Thu,Fri,Sun 23:55 Seattle-Tacoma (SEA) 06:00 Chicago O'Hare (ORD) 3
Aer Lingus EI 7548 Non-stop Airbus A321 (321) 4:05 Effective 2025-07-06 through 2025-08-04
Codeshare flight, operated by American Airlines.(AA 2499)
The flight arrives 1 day after departure.
Thu 13:29 Seattle-Tacoma (SEA) 19:42 Chicago O'Hare (ORD) 3
Aer Lingus EI 7574 Non-stop Boeing 737-800 (738) 4:13 Operates only on 2025-06-05
Codeshare flight, operated by American Airlines.(AA 3260)
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All airlines flying from Seattle-Tacoma (SEA) to Chicago O'Hare (ORD).
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Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB7340
06:00
Seattle-Tacoma (SEA)

12:05
Chicago O'Hare (ORD) 2
Effective 2025-08-25 through 2025-09-29
Mon
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 408)
Duration: 4:05, non-stop
Boeing 737 (73J)
Iberia IB7341
06:00
Seattle-Tacoma (SEA)

12:07
Chicago O'Hare (ORD) 2
Effective 2025-06-14 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 408)
Duration: 4:07, non-stop
Boeing 737 (73J)
Iberia IB7341
07:00
Seattle-Tacoma (SEA)

13:04
Chicago O'Hare (ORD) 2
Effective 2025-10-04 through 2025-10-25
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 890)
Duration: 4:04, non-stop
Boeing 737 (73J)
Iberia IB7341
08:00
Seattle-Tacoma (SEA)

14:19
Chicago O'Hare (ORD) 2
Effective 2025-08-21 through 2025-10-03
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by Alaska Airlines. (AS 890)
Duration: 4:19, non-stop
Boeing 737 (73J)
Iberia IB7341
08:03
Seattle-Tacoma (SEA)

14:13
Chicago O'Hare (ORD) 2
Effective 2025-06-12 through 2025-08-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 890)
Duration: 4:10, non-stop
Boeing 737 (73J)
Iberia IB7341
08:04
Seattle-Tacoma (SEA)

14:18
Chicago O'Hare (ORD) 2
Effective 2025-06-03 through 2025-06-10
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 331)
Duration: 4:14, non-stop
Boeing 737 (73J)
Iberia IB7342
08:03
Seattle-Tacoma (SEA)

14:13
Chicago O'Hare (ORD) 2
Effective 2025-06-14 through 2025-08-16
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Alaska Airlines. (AS 890)
Duration: 4:10, non-stop
Boeing 737 (73J)
Aer Lingus EI7359
05:02
Seattle-Tacoma (SEA)

11:05
Chicago O'Hare (ORD) 3
Effective 2025-10-06 through 2025-11-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2922)
Duration: 4:03, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
06:24
Seattle-Tacoma (SEA)

12:28
Chicago O'Hare (ORD) 3
Effective 2025-06-05 through 2025-07-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2922)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
10:40
Seattle-Tacoma (SEA)

16:59
Chicago O'Hare (ORD) 3
Effective 2025-07-05 through 2025-08-02
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1672)
Duration: 4:19, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
10:46
Seattle-Tacoma (SEA)

16:59
Chicago O'Hare (ORD) 3
Effective 2025-07-06 through 2025-08-05
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1672)
Duration: 4:13, non-stop
Boeing 737-800 (738)
Aer Lingus EI7359
10:46
Seattle-Tacoma (SEA)

16:59
Chicago O'Hare (ORD) 3
Operates only on 2025-08-19
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3234)
Duration: 4:13, non-stop
Airbus A321 (321)
Aer Lingus EI7359
23:55
Seattle-Tacoma (SEA)

06:00(+1)
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:05, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7359
23:55
Seattle-Tacoma (SEA)

06:00(+1)
Chicago O'Hare (ORD) 3
Effective 2025-08-20 through 2025-10-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:05, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7359
23:59
Seattle-Tacoma (SEA)

06:04(+1)
Chicago O'Hare (ORD) 3
Valid until 2025-05-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3208)
Duration: 4:05, non-stop
Boeing 737 MAX 8 (7M8)
The flight arrives 1 day after departure.
Aer Lingus EI7359
23:59
Seattle-Tacoma (SEA)

06:07(+1)
Chicago O'Hare (ORD) 3
Effective 2025-05-05 through 2025-05-24
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:08, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7359
23:59
Seattle-Tacoma (SEA)

06:07(+1)
Chicago O'Hare (ORD) 3
Effective 2025-05-26 through 2025-06-02
Mon
Tue
-
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3029)
Duration: 4:08, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
Aer Lingus EI7359
23:59
Seattle-Tacoma (SEA)

06:05(+1)
Chicago O'Hare (ORD) 3
Operates only on 2026-02-28
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3137)
Duration: 4:06, non-stop
Boeing 737-800 (738)
The flight arrives 1 day after departure.
KLM KL7378
07:20
Seattle-Tacoma (SEA)

13:28
Chicago O'Hare (ORD) 5
Effective 2025-11-08 through 2025-12-13
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by Delta Air Lines. (DL 2055)
Duration: 4:08, non-stop
Boeing 737-800 (738)
KLM KL7378
07:20
Seattle-Tacoma (SEA)

13:25
Chicago O'Hare (ORD) 5
Effective from 2026-01-07
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by Delta Air Lines. (DL 2055)
Duration: 4:05, non-stop
Airbus A220-300 (223)
Royal Jordanian RJ7392
01:21
Seattle-Tacoma (SEA)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-10-26 through 2025-10-31
Mon
Tue
-
Wed
Thu
-
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2442)
Duration: 4:04, non-stop
Boeing 737-800 (738)
Royal Jordanian RJ7392
01:22
Seattle-Tacoma (SEA)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2442)
Duration: 4:03, non-stop
Boeing 737-800 (738)
Royal Jordanian RJ7392
01:23
Seattle-Tacoma (SEA)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-12-03 through 2025-12-15
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2442)
Duration: 4:02, non-stop
Boeing 737-800 (738)
Royal Jordanian RJ7392
01:23
Seattle-Tacoma (SEA)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-12-16 through 2025-12-17
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2442)
Duration: 4:02, non-stop
Boeing 737-800 (738)
Royal Jordanian RJ7392
01:24
Seattle-Tacoma (SEA)

07:25
Chicago O'Hare (ORD) 3
Effective 2025-11-03 through 2025-12-01
Mon
Tue
-
Wed
Thu
-
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2442)
Duration: 4:01, non-stop
Boeing 737 MAX 8 (7M8)
Lufthansa LH7507
07:00
Seattle-Tacoma (SEA)

13:07
Chicago O'Hare (ORD) 1
Valid until 2025-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2226)
Duration: 4:07, non-stop
Airbus A320 (320)
Lufthansa LH7507
07:00
Seattle-Tacoma (SEA)

13:03
Chicago O'Hare (ORD) 1
Operates only on 2025-05-21
Mon
-
Tue
-
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 2226)
Duration: 4:03, non-stop
Airbus A320 (320)
Lufthansa LH7507
07:00
Seattle-Tacoma (SEA)

13:14
Chicago O'Hare (ORD) 1
Operates only on 2025-05-22
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by United Airlines. (UA 1617)
Duration: 4:14, non-stop
Boeing 737 MAX 9 (7M9)
Lufthansa LH7507
07:00
Seattle-Tacoma (SEA)

13:14
Chicago O'Hare (ORD) 1
Effective 2025-05-23 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 1617)
Duration: 4:14, non-stop
Airbus A321neo (32Q)
Lufthansa LH7507
07:00
Seattle-Tacoma (SEA)

13:15
Chicago O'Hare (ORD) 1
Effective 2025-08-19 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 4:15, non-stop
Airbus A321neo (32Q)
Lufthansa LH7507
07:00
Seattle-Tacoma (SEA)

13:00
Chicago O'Hare (ORD) 1
Effective from 2025-10-26
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2618)
Duration: 4:00, non-stop
Boeing 737 MAX 8 (7M8)
Royal Jordanian RJ7531
06:20
Seattle-Tacoma (SEA)

12:33
Chicago O'Hare (ORD) 3
Effective 2025-05-06 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2682)
Duration: 4:13, non-stop
Boeing 737 MAX 8 (7M8)
Lufthansa LH7537
11:05
Seattle-Tacoma (SEA)

17:10
Chicago O'Hare (ORD) 1
Effective 2025-12-02 through 2025-12-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 747)
Duration: 4:05, non-stop
Boeing 737-900 (739)
Lufthansa LH7537
11:05
Seattle-Tacoma (SEA)

17:10
Chicago O'Hare (ORD) 1
Effective from 2026-01-06
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 747)
Duration: 4:05, non-stop
Boeing 737-900 (739)
Lufthansa LH7537
13:43
Seattle-Tacoma (SEA)

19:58
Chicago O'Hare (ORD) 1
Effective 2025-08-19 through 2025-09-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Lufthansa LH7537
13:49
Seattle-Tacoma (SEA)

20:05
Chicago O'Hare (ORD) 1
Effective 2025-05-22 through 2025-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 4:16, non-stop
Airbus A320 (320)
Lufthansa LH7537
13:55
Seattle-Tacoma (SEA)

20:11
Chicago O'Hare (ORD) 1
Effective 2025-06-26 through 2025-08-18
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2627)
Duration: 4:16, non-stop
Boeing 737-800 (738)
Lufthansa LH7537
13:55
Seattle-Tacoma (SEA)

20:10
Chicago O'Hare (ORD) 1
Effective 2025-09-25 through 2025-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 4:15, non-stop
Boeing 737 MAX 9 (7M9)
Lufthansa LH7537
14:07
Seattle-Tacoma (SEA)

20:10
Chicago O'Hare (ORD) 1
Effective 2025-10-26 through 2025-12-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
Lufthansa LH7537
14:07
Seattle-Tacoma (SEA)

20:10
Chicago O'Hare (ORD) 1
Effective 2025-12-18 through 2026-01-05
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 4:03, non-stop
Boeing 737 MAX 8 (7M8)
Lufthansa LH7537
14:15
Seattle-Tacoma (SEA)

20:25
Chicago O'Hare (ORD) 1
Valid until 2025-05-21
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by United Airlines.(UA 2665Z)
Duration: 4:10, non-stop
Airbus A320 (320)
Lufthansa LH7537
14:15
Seattle-Tacoma (SEA)

20:25
Chicago O'Hare (ORD) 1
Effective 2025-05-03 through 2025-05-17
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by United Airlines. (UA 2665)
Duration: 4:10, non-stop
Boeing 737-700 (73G)
Aer Lingus EI7548
00:05
Seattle-Tacoma (SEA)

06:05
Chicago O'Hare (ORD) 3
Effective 2025-06-05 through 2025-06-10
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2499)
Duration: 4:00, non-stop
Airbus A321 (321)
Aer Lingus EI7548
00:05
Seattle-Tacoma (SEA)

06:05
Chicago O'Hare (ORD) 3
Effective 2025-06-13 through 2025-07-04
Mon
Tue
Wed
-
Thu
-
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 2499)
Duration: 4:00, non-stop
Airbus A321 (321)
Aer Lingus EI7548
06:18
Seattle-Tacoma (SEA)

12:23
Chicago O'Hare (ORD) 3
Effective 2025-08-06 through 2025-09-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2922)
Duration: 4:05, non-stop
Boeing 737-800 (738)
Aer Lingus EI7548
06:20
Seattle-Tacoma (SEA)

12:33
Chicago O'Hare (ORD) 3
Effective 2025-05-06 through 2025-06-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2682)
Duration: 4:13, non-stop
Boeing 737 MAX 8 (7M8)
Aer Lingus EI7548
10:46
Seattle-Tacoma (SEA)

16:59
Chicago O'Hare (ORD) 3
Effective 2025-10-01 through 2025-10-05
Mon
-
Tue
-
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3334)
Duration: 4:13, non-stop
Airbus A321 (321)
Aer Lingus EI7548
13:35
Seattle-Tacoma (SEA)

19:40
Chicago O'Hare (ORD) 3
Valid until 2025-05-04
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 EI7548
23:55
Seattle-Tacoma (SEA)

06:00(+1)
Chicago O'Hare (ORD) 3
Effective 2025-07-06 through 2025-08-04
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 2499)
Duration: 4:05, non-stop
Airbus A321 (321)
The flight arrives 1 day after departure.
Aer Lingus EI7574
13:29
Seattle-Tacoma (SEA)

19:42
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 3260)
Duration: 4:13, non-stop
Boeing 737-800 (738)
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  • 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 3:45 and 4:19.
Return (ORD-SEA) flights
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