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

Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Mon,Wed,Thu,Sat,Sun 20:20 Chicago O'Hare (ORD) 3 21:48 Saint Louis (STL) 1
Finnair AY 4076 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-04-08 through 2026-04-30
Codeshare flight, operated by American Airlines.(AA 3555)
Daily 20:20 Chicago O'Hare (ORD) 3 21:48 Saint Louis (STL) 1
Finnair AY 4076 Non-stop Embraer EMB 175 (E75) 1:28 Effective 2026-05-01 through 2026-05-20
Codeshare flight, operated by American Airlines.(AA 3555)
Daily 22:05 Chicago O'Hare (ORD) 3 23:20 Saint Louis (STL) 1
Finnair AY 4118 Non-stop Boeing 737-800 (738) 1:15 Effective 2026-07-02 through 2026-08-04
Codeshare flight, operated by American Airlines.(AA 1466)
Mon,Wed,Thu,Sun 22:34 Chicago O'Hare (ORD) 3 23:52 Saint Louis (STL) 1
Finnair AY 4118 Non-stop Airbus A319 (319) 1:18 Effective 2026-03-29 through 2026-04-06
Codeshare flight, operated by American Airlines.(AA 1926)
Tue,Sun 22:05 Chicago O'Hare (ORD) 3 23:23 Saint Louis (STL) 1
Finnair AY 4120 Non-stop Airbus A319 (319) 1:18 Effective 2026-05-24 through 2026-06-30
Codeshare flight, operated by American Airlines.(AA 1004)
Mon,Wed-Sat 22:05 Chicago O'Hare (ORD) 3 23:23 Saint Louis (STL) 1
Finnair AY 5716 Non-stop Airbus A319 (319) 1:18 Effective 2026-05-21 through 2026-07-01
Codeshare flight, operated by American Airlines.(AA 1004)
Tue-Sun 22:05 Chicago O'Hare (ORD) 3 23:20 Saint Louis (STL) 1
Finnair AY 5716 Non-stop Airbus A319 (319) 1:15 Effective 2026-09-09 through 2026-09-27
Codeshare flight, operated by American Airlines.(AA 2514)
Daily 22:05 Chicago O'Hare (ORD) 3 23:20 Saint Louis (STL) 1
Finnair AY 5716 Non-stop Airbus A319 (319) 1:15 Effective 2026-09-28 through 2026-10-04
Codeshare flight, operated by American Airlines.(AA 2514)
Daily 22:05 Chicago O'Hare (ORD) 3 23:25 Saint Louis (STL) 1
Finnair AY 5716 Non-stop Airbus A319 (319) 1:20 Effective 2026-10-05 through 2026-10-24
Codeshare flight, operated by American Airlines.(AA 2630)
Tue,Fri 22:05 Chicago O'Hare (ORD) 3 23:25 Saint Louis (STL) 1
Finnair AY 5716 Non-stop Airbus A319 (319) 1:20 Effective from 2026-10-27
Codeshare flight, operated by American Airlines.(AA 2630)
Daily 22:34 Chicago O'Hare (ORD) 3 23:51 Saint Louis (STL) 1
Finnair AY 5757 Non-stop Airbus A319 (319) 1:17 Effective 2026-08-05 through 2026-08-14
Codeshare flight, operated by American Airlines.(AA 3069)
Tue-Fri,Sun 22:34 Chicago O'Hare (ORD) 3 23:51 Saint Louis (STL) 1
Finnair AY 5757 Non-stop Airbus A319 (319) 1:17 Effective 2026-08-16 through 2026-09-04
Codeshare flight, operated by American Airlines.(AA 3069)
Tue,Sat,Sun 22:34 Chicago O'Hare (ORD) 3 23:51 Saint Louis (STL) 1
Finnair AY 5757 Non-stop Airbus A319 (319) 1:17 Effective 2026-09-05 through 2026-09-08
Codeshare flight, operated by American Airlines.(AA 3069)




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Finnair flights from Chicago O'Hare (ORD) to Saint Louis (STL).
Select flight date:
FLIGHT SCHEDULE
Direct Codeshare Flights:
Finnair AY4076
20:20
Chicago O'Hare (ORD) 3

21:48
Saint Louis (STL) 1
Effective 2026-04-08 through 2026-04-30
Mon
Tue
-
Wed
Thu
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3555)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4076
20:20
Chicago O'Hare (ORD) 3

21:48
Saint Louis (STL) 1
Effective 2026-05-01 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3555)
Duration: 1:28, non-stop
Embraer EMB 175 (E75)
Direct Codeshare Flights:
Finnair AY4118
22:05
Chicago O'Hare (ORD) 3

23:20
Saint Louis (STL) 1
Effective 2026-07-02 through 2026-08-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 1466)
Duration: 1:15, non-stop
Boeing 737-800 (738)
Direct Codeshare Flights:
Finnair AY4118
22:34
Chicago O'Hare (ORD) 3

23:52
Saint Louis (STL) 1
Effective 2026-03-29 through 2026-04-06
Mon
Tue
-
Wed
Thu
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1926)
Duration: 1:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY4120
22:05
Chicago O'Hare (ORD) 3

23:23
Saint Louis (STL) 1
Effective 2026-05-24 through 2026-06-30
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 1004)
Duration: 1:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5716
22:05
Chicago O'Hare (ORD) 3

23:23
Saint Louis (STL) 1
Effective 2026-05-21 through 2026-07-01
Mon
Tue
-
Wed
Thu
Fri
Sat
Sun
-
Codeshare flight, operated by American Airlines. (AA 1004)
Duration: 1:18, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5716
22:05
Chicago O'Hare (ORD) 3

23:20
Saint Louis (STL) 1
Effective 2026-09-09 through 2026-09-27
Mon
-
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2514)
Duration: 1:15, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5716
22:05
Chicago O'Hare (ORD) 3

23:20
Saint Louis (STL) 1
Effective 2026-09-28 through 2026-10-04
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2514)
Duration: 1:15, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5716
22:05
Chicago O'Hare (ORD) 3

23:25
Saint Louis (STL) 1
Effective 2026-10-05 through 2026-10-24
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 2630)
Duration: 1:20, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5716
22:05
Chicago O'Hare (ORD) 3

23:25
Saint Louis (STL) 1
Effective from 2026-10-27
Mon
-
Tue
Wed
-
Thu
-
Fri
Sat
-
Sun
-
Codeshare flight, operated by American Airlines. (AA 2630)
Duration: 1:20, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5757
22:34
Chicago O'Hare (ORD) 3

23:51
Saint Louis (STL) 1
Effective 2026-08-05 through 2026-08-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3069)
Duration: 1:17, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5757
22:34
Chicago O'Hare (ORD) 3

23:51
Saint Louis (STL) 1
Effective 2026-08-16 through 2026-09-04
Mon
-
Tue
Wed
Thu
Fri
Sat
-
Sun
Codeshare flight, operated by American Airlines. (AA 3069)
Duration: 1:17, non-stop
Airbus A319 (319)
Direct Codeshare Flights:
Finnair AY5757
22:34
Chicago O'Hare (ORD) 3

23:51
Saint Louis (STL) 1
Effective 2026-09-05 through 2026-09-08
Mon
-
Tue
Wed
-
Thu
-
Fri
-
Sat
Sun
Codeshare flight, operated by American Airlines. (AA 3069)
Duration: 1:17, non-stop
Airbus A319 (319)
  • A domestic route departing from the Chicago O'Hare airport (ORD) and arriving at Saint Louis airport (STL).
  • 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 1:15 and 1:28.
All ORD-STL flights
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