Flights from Chicago O'Hare to St. Louis

Our cheapest offers for flights from Chicago O'Hare to St. Louis

Here you can compare cheap flights from Chicago O'Hare (ORD) to St. Louis (STL) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to St. Louis. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Chicago O'Hare
St. Louis
Outbound
06/20/25
1 Stopover (BRL)
9X0443, 9X0440
11h 45min
Return
07/19/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express
$123
Best option
Chicago O'Hare
St. Louis
Outbound
09/19/25
direct
UA3654
01h 28min
Return
09/29/25
direct
UA1761
01h 25min
United Airlines ?
$210
Chicago O'Hare
St. Louis
Pay attention to transfer at connecting flight
Outbound
04/29/25
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Return
05/08/25
1 Stopover (UIN)
9X0466, 9X0481
07h 12min
Southern Airways Express
$219
Chicago O'Hare
St. Louis
Outbound
06/20/25
1 Stopover (BRL)
9X0443, 9X0440
11h 45min
Return
07/19/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express
$128
Chicago O'Hare
St. Louis
Outbound
06/20/25
1 Stopover (BRL)
9X0443, 9X0440
11h 45min
Return
07/19/25
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
Southern Airways Express ?
$131
Chicago O'Hare
St. Louis
Outbound
06/20/25
1 Stopover (UIN)
9X0482, 9X0465
03h 55min
Return
07/19/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express ?
$148
Chicago O'Hare
St. Louis
Outbound
06/20/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Return
07/19/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express
$155
Chicago O'Hare
St. Louis
Outbound
09/19/25
1 Stopover (UIN)
9X0482, 9X0465
05h 05min
Return
09/29/25
direct
UA1761
01h 28min
Southern Airways Express ?
$185
Chicago O'Hare
St. Louis
Outbound
04/29/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Return
05/08/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express
$197
Chicago O'Hare
St. Louis
Outbound
06/08/25
1 Stopover (LAS)
F92145, F93108
15h 46min
Return
06/29/25
1 Stopover (ATL)
F94474, F93397
09h 44min
Frontier Airlines
$209
Prices based on recent searches, subject to last-minute changes
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Important flight information

Flight information: Chicago O'Hare - St. Louis

Roundtrip from $ 122,63
Distance 416 km
Departure airport Airport Chicago O'Hare International Airport, IL (ORD)
Arrival airport Airport St. Louis - Lambert International Airport (STL)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to St. Louis
Flight destinations with a similar price
Flight destinations with a similar price