Iberia flights from Saint Louis (STL) to Chicago O'Hare (ORD).

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Daily 09:40 Saint Louis (STL) 1 11:10 Chicago O'Hare (ORD) 3
Iberia IB 4010 Non-stop Canadair CRJ 700 (CR7) 1:30 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 6354)
Mon,Wed-Fri,Sun 14:06 Saint Louis (STL) 1 15:35 Chicago O'Hare (ORD) 3
Iberia IB 4023 Non-stop Canadair CRJ 700 (CR7) 1:29 Valid until 2026-01-05
Codeshare flight, operated by American Airlines.(AA 5003)
Sat 14:08 Saint Louis (STL) 1 15:34 Chicago O'Hare (ORD) 3
Iberia IB 4023 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:26 Valid until 2026-01-03
Codeshare flight, operated by American Airlines.(AA 4175)
Daily 14:47 Saint Louis (STL) 1 16:10 Chicago O'Hare (ORD) 3
Iberia IB 4102 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective from 2026-10-25
Codeshare flight, operated by American Airlines.(AA 4997)
Daily 07:42 Saint Louis (STL) 1 09:05 Chicago O'Hare (ORD) 3
Iberia IB 4124 Non-stop Boeing 737 MAX 8 (7M8) 1:23 Effective 2026-05-21 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 2324)
Daily 07:42 Saint Louis (STL) 1 09:05 Chicago O'Hare (ORD) 3
Iberia IB 4124 Non-stop Boeing 737 MAX 8 (7M8) 1:23 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 2324)
Daily 18:15 Saint Louis (STL) 1 19:50 Chicago O'Hare (ORD) 3
Iberia IB 4150 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-07-02 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 4537)
Daily 18:15 Saint Louis (STL) 1 19:50 Chicago O'Hare (ORD) 3
Iberia IB 4150 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 4537)
Daily 18:29 Saint Louis (STL) 1 19:50 Chicago O'Hare (ORD) 3
Iberia IB 4150 Non-stop Canadair CRJ 700 (CR7) 1:21 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 6399)
Daily 16:23 Saint Louis (STL) 1 18:00 Chicago O'Hare (ORD) 3
Iberia IB 4276 Non-stop Embraer EMB 175 (E75) 1:37 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 4513)
Daily 16:39 Saint Louis (STL) 1 18:00 Chicago O'Hare (ORD) 3
Iberia IB 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:21 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3870)
Daily 16:43 Saint Louis (STL) 1 18:00 Chicago O'Hare (ORD) 3
Iberia IB 4276 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:17 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by American Airlines.(AA 3868)
Thu 14:24 Saint Louis (STL) 1 15:51 Chicago O'Hare (ORD) 3
Iberia IB 4316 Non-stop Canadair CRJ 700 (CR7) 1:27 Operates only on 2026-02-12
Codeshare flight, operated by American Airlines.(AA 6369)
Mon-Fri,Sun 14:24 Saint Louis (STL) 1 15:51 Chicago O'Hare (ORD) 3
Iberia IB 4316 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-23 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 6369)
Sat 14:26 Saint Louis (STL) 1 15:53 Chicago O'Hare (ORD) 3
Iberia IB 4316 Non-stop Canadair CRJ 700 (CR7) 1:27 Operates only on 2026-02-28
Codeshare flight, operated by American Airlines.(AA 6369)
Tue,Wed 15:20 Saint Louis (STL) 1 16:42 Chicago O'Hare (ORD) 3
Iberia IB 4316 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Effective 2026-01-06 through 2026-01-20
Codeshare flight, operated by American Airlines.(AA 3458)
Tue 15:20 Saint Louis (STL) 1 16:42 Chicago O'Hare (ORD) 3
Iberia IB 4316 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:22 Effective 2026-01-27 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 3458)
Sun 18:33 Saint Louis (STL) 1 20:08 Chicago O'Hare (ORD) 3
Iberia IB 4497 Non-stop Embraer EMB 175 (E75) 1:35 Effective 2026-03-29 through 2026-04-05
Codeshare flight, operated by American Airlines.(AA 3714)
Mon,Wed-Sat 18:33 Saint Louis (STL) 1 20:08 Chicago O'Hare (ORD) 3
Iberia IB 4497 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:35 Effective 2026-03-30 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 3714)
Tue 18:33 Saint Louis (STL) 1 20:10 Chicago O'Hare (ORD) 3
Iberia IB 4497 Non-stop Canadair CRJ 700 (CR7) 1:37 Operates only on 2026-03-31
Codeshare flight, operated by American Airlines.(AA 6235)
Sun 11:05 Saint Louis (STL) 1 12:34 Chicago O'Hare (ORD) 3
Iberia IB 4545 Non-stop Embraer EMB 175 (E75) 1:29 Operates only on 2026-01-18
Codeshare flight, operated by American Airlines.(AA 3741)
Daily 11:14 Saint Louis (STL) 1 12:35 Chicago O'Hare (ORD) 3
Iberia IB 4545 Non-stop Airbus A319 (319) 1:21 Effective 2026-04-07 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 1926)
Tue,Sat 11:18 Saint Louis (STL) 1 12:40 Chicago O'Hare (ORD) 3
Iberia IB 4545 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-03-31 through 2026-04-04
Codeshare flight, operated by American Airlines.(AA 4532)
Wed,Thu 16:36 Saint Louis (STL) 1 18:09 Chicago O'Hare (ORD) 3
Iberia IB 4545 Non-stop Canadair CRJ 700 (CR7) 1:33 Effective 2026-03-11 through 2026-04-02
Codeshare flight, operated by American Airlines.(AA 4889)
Tue,Thu,Sun 11:18 Saint Louis (STL) 1 12:40 Chicago O'Hare (ORD) 3
Iberia IB 4552 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-02-15 through 2026-02-19
Codeshare flight, operated by American Airlines.(AA 4605)
Mon-Fri,Sun 11:18 Saint Louis (STL) 1 12:40 Chicago O'Hare (ORD) 3
Iberia IB 4552 Non-stop Embraer EMB 175 (E75) 1:22 Effective 2026-02-23 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 4605)
Daily 20:00 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4552 Non-stop Canadair CRJ 700 (CR7) 1:30 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 6282)
Daily 20:01 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4552 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 6362)
Daily 20:01 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4552 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 6362)
Daily 20:07 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4552 Non-stop Canadair CRJ 700 (CR7) 1:23 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 6200)
Daily 09:43 Saint Louis (STL) 1 11:10 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 6363)
Tue 09:59 Saint Louis (STL) 1 11:26 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-17 through 2026-02-24
Codeshare flight, operated by American Airlines.(AA 6388)
Tue,Wed 09:59 Saint Louis (STL) 1 11:26 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-25 through 2026-03-04
Codeshare flight, operated by American Airlines.(AA 6388)
Daily 10:03 Saint Louis (STL) 1 11:27 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:24 Effective 2026-03-08 through 2026-03-28
Codeshare flight, operated by American Airlines.(AA 3712)
Thu,Fri,Sun 10:04 Saint Louis (STL) 1 11:31 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-12 through 2026-02-22
Codeshare flight, operated by American Airlines.(AA 6388)
Mon,Thu,Fri,Sun 10:04 Saint Louis (STL) 1 11:31 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-23 through 2026-03-06
Codeshare flight, operated by American Airlines.(AA 6388)
Daily 11:05 Saint Louis (STL) 1 12:34 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-01-06 through 2026-01-17
Codeshare flight, operated by American Airlines.(AA 6342)
Mon,Tue,Thu-Sun 11:05 Saint Louis (STL) 1 12:34 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-01-19 through 2026-02-01
Codeshare flight, operated by American Airlines.(AA 6342)
Tue,Thu-Sun 11:05 Saint Louis (STL) 1 12:34 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:29 Effective 2026-02-03 through 2026-02-10
Codeshare flight, operated by American Airlines.(AA 6342)
Sat 15:36 Saint Louis (STL) 1 17:03 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:27 Effective 2026-02-14 through 2026-03-07
Codeshare flight, operated by American Airlines.(AA 4888)
Daily 20:05 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 4946)
Tue,Thu,Sat 20:05 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:25 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 4946)
Daily 20:06 Saint Louis (STL) 1 21:30 Chicago O'Hare (ORD) 3
Iberia IB 4588 Non-stop Canadair CRJ 700 (CR7) 1:24 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 6352)
Daily 16:18 Saint Louis (STL) 1 17:43 Chicago O'Hare (ORD) 3
Iberia IB 4670 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:25 Effective 2026-08-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3620)
Daily 16:29 Saint Louis (STL) 1 18:00 Chicago O'Hare (ORD) 3
Iberia IB 4670 Non-stop Embraer EMB 170 / EMB 175 (E70) 1:31 Effective 2026-09-09 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 4282)
Daily 16:32 Saint Louis (STL) 1 18:00 Chicago O'Hare (ORD) 3
Iberia IB 4670 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-10-05 through 2026-10-23
Codeshare flight, operated by American Airlines.(AA 3479)
Daily 16:32 Saint Louis (STL) 1 18:00 Chicago O'Hare (ORD) 3
Iberia IB 4670 Non-stop Embraer EMB 175 (E75) 1:28 Effective from 2026-10-25
Codeshare flight, operated by American Airlines.(AA 3479)




Feedback - Disclaimer - Privacy
FlightMapper.net Flight Search Countries Airlines
LANGUAGES
Iberia flights from Saint Louis (STL) to Chicago O'Hare (ORD).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Iberia IB4010
09:40
Saint Louis (STL) 1

11:10
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6354)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4023
14:06
Saint Louis (STL) 1

15:35
Chicago O'Hare (ORD) 3
Valid until 2026-01-05
Mon
Tue
-
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 5003)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4023
14:08
Saint Louis (STL) 1

15:34
Chicago O'Hare (ORD) 3
Valid until 2026-01-03
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4175)
Duration: 1:26, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4102
14:47
Saint Louis (STL) 1

16:10
Chicago O'Hare (ORD) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4997)
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4124
07:42
Saint Louis (STL) 1

09:05
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2324)
Duration: 1:23, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4124
07:42
Saint Louis (STL) 1

09:05
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2324)
Duration: 1:23, non-stop
Boeing 737 MAX 8 (7M8)
Direct Codeshare Flights:
Iberia IB4150
18:15
Saint Louis (STL) 1

19:50
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4537)
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4150
18:15
Saint Louis (STL) 1

19:50
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4537)
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4150
18:29
Saint Louis (STL) 1

19:50
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6399)
Duration: 1:21, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4276
16:23
Saint Louis (STL) 1

18:00
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4513)
Duration: 1:37, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4276
16:39
Saint Louis (STL) 1

18:00
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3870)
Duration: 1:21, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4276
16:43
Saint Louis (STL) 1

18:00
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3868)
Duration: 1:17, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4316
14:24
Saint Louis (STL) 1

15:51
Chicago O'Hare (ORD) 3
Operates only on 2026-02-12
Mon
-
Tue
-
Wed
-
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6369)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4316
14:24
Saint Louis (STL) 1

15:51
Chicago O'Hare (ORD) 3
Effective 2026-02-23 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6369)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4316
14:26
Saint Louis (STL) 1

15:53
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 6369)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4316
15:20
Saint Louis (STL) 1

16:42
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-01-20
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3458)
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4316
15:20
Saint Louis (STL) 1

16:42
Chicago O'Hare (ORD) 3
Effective 2026-01-27 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 3458)
Duration: 1:22, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4497
18:33
Saint Louis (STL) 1

20:08
Chicago O'Hare (ORD) 3
Effective 2026-03-29 through 2026-04-05
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3714)
Duration: 1:35, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4497
18:33
Saint Louis (STL) 1

20:08
Chicago O'Hare (ORD) 3
Effective 2026-03-30 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 3714)
Duration: 1:35, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4497
18:33
Saint Louis (STL) 1

20:10
Chicago O'Hare (ORD) 3
Operates only on 2026-03-31
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6235)
Duration: 1:37, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4545
11:05
Saint Louis (STL) 1

12:34
Chicago O'Hare (ORD) 3
Operates only on 2026-01-18
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3741)
Duration: 1:29, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4545
11:14
Saint Louis (STL) 1

12:35
Chicago O'Hare (ORD) 3
Effective 2026-04-07 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1926)
Duration: 1:21, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Iberia IB4545
11:18
Saint Louis (STL) 1

12:40
Chicago O'Hare (ORD) 3
Effective 2026-03-31 through 2026-04-04
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4532)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4545
16:36
Saint Louis (STL) 1

18:09
Chicago O'Hare (ORD) 3
Effective 2026-03-11 through 2026-04-02
Mon
-
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 4889)
Duration: 1:33, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4552
11:18
Saint Louis (STL) 1

12:40
Chicago O'Hare (ORD) 3
Effective 2026-02-15 through 2026-02-19
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4605)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4552
11:18
Saint Louis (STL) 1

12:40
Chicago O'Hare (ORD) 3
Effective 2026-02-23 through 2026-03-06
Mon
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 4605)
Duration: 1:22, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4552
20:00
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6282)
Duration: 1:30, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4552
20:01
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6362)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4552
20:01
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6362)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4552
20:07
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6200)
Duration: 1:23, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
09:43
Saint Louis (STL) 1

11:10
Chicago O'Hare (ORD) 3
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6363)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
09:59
Saint Louis (STL) 1

11:26
Chicago O'Hare (ORD) 3
Effective 2026-02-17 through 2026-02-24
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
09:59
Saint Louis (STL) 1

11:26
Chicago O'Hare (ORD) 3
Effective 2026-02-25 through 2026-03-04
Mon
-
Tue
Wed
Thu
-
Fri
-
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
10:03
Saint Louis (STL) 1

11:27
Chicago O'Hare (ORD) 3
Effective 2026-03-08 through 2026-03-28
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3712)
Duration: 1:24, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4588
10:04
Saint Louis (STL) 1

11:31
Chicago O'Hare (ORD) 3
Effective 2026-02-12 through 2026-02-22
Mon
-
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
10:04
Saint Louis (STL) 1

11:31
Chicago O'Hare (ORD) 3
Effective 2026-02-23 through 2026-03-06
Mon
Tue
-
Wed
-
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 6388)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
11:05
Saint Louis (STL) 1

12:34
Chicago O'Hare (ORD) 3
Effective 2026-01-06 through 2026-01-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6342)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
11:05
Saint Louis (STL) 1

12:34
Chicago O'Hare (ORD) 3
Effective 2026-01-19 through 2026-02-01
Mon
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6342)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
11:05
Saint Louis (STL) 1

12:34
Chicago O'Hare (ORD) 3
Effective 2026-02-03 through 2026-02-10
Mon
-
Tue
Wed
-
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6342)
Duration: 1:29, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
15:36
Saint Louis (STL) 1

17:03
Chicago O'Hare (ORD) 3
Effective 2026-02-14 through 2026-03-07
Mon
-
Tue
-
Wed
-
Thu
-
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4888)
Duration: 1:27, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
20:05
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4946)
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
20:05
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
Fri
-
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 4946)
Duration: 1:25, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4588
20:06
Saint Louis (STL) 1

21:30
Chicago O'Hare (ORD) 3
Effective 2026-05-21 through 2026-07-01
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 6352)
Duration: 1:24, non-stop
Canadair CRJ 700 (CR7)
Direct Codeshare Flights:
Iberia IB4670
16:18
Saint Louis (STL) 1

17:43
Chicago O'Hare (ORD) 3
Effective 2026-08-05 through 2026-09-08
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3620)
Duration: 1:25, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4670
16:29
Saint Louis (STL) 1

18:00
Chicago O'Hare (ORD) 3
Effective 2026-09-09 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 4282)
Duration: 1:31, non-stop
Embraer EMB 170 / EMB 175 (E70)
Direct Codeshare Flights:
Iberia IB4670
16:32
Saint Louis (STL) 1

18:00
Chicago O'Hare (ORD) 3
Effective 2026-10-05 through 2026-10-23
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3479)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Iberia IB4670
16:32
Saint Louis (STL) 1

18:00
Chicago O'Hare (ORD) 3
Effective from 2026-10-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3479)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
  • A domestic route departing from the Saint Louis airport (STL) and arriving at Chicago O'Hare airport (ORD).
  • The flight distance is 258 miles, or 415 km.
  • The timezone of both the departure and the arrival airports is UTC-6 . Current time at both airports is (loading...).
  • For direct flights, the flight time varies between 1:17 and 1:37.
All STL-ORD flights
All Iberia flights
Return (ORD-STL) flights
Feedback     -     Disclaimer     -     Privacy