Flights from St. Louis to Chicago O'Hare

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

Here you can compare cheap flights from St. Louis (STL) to Chicago O'Hare (ORD) 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 Chicago O'Hare. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
Return
05/23/25
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Southern Airways Express ?
$102
Best option
St. Louis
Chicago O'Hare
Outbound
04/26/25
direct
UA3611
01h 28min
Return
05/23/25
direct
UA3473
01h 30min
United Airlines ?
$319
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
Return
05/23/25
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Southern Airways Express
$104
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
Return
05/23/25
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Southern Airways Express
$107
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
Return
05/23/25
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Southern Airways Express ?
$117
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Return
05/23/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Southern Airways Express ?
$139
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Return
05/23/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Southern Airways Express
$144
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Return
05/23/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Southern Airways Express ?
$145
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Return
05/23/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Southern Airways Express
$151
St. Louis
Chicago O'Hare
Outbound
04/26/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Return
05/23/25
1 Stopover (UIN)
9X0488, 9X0463
03h 35min
Southern Airways Express ?
$236
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from St. Louis to Chicago O'Hare

Favorite airline: Southern Airways Express
80 % of bookings on this flight route are made with Southern Airways Express, United Airlines and Spirit Airlines.
Southern Airways Express
47 %
United Airlines
20 %
Spirit Airlines
13 %
Cheapest weekday: Tuesday
Flight prices fluctuate throughout the week. Flights are 51 % cheaper on Tuesday.
Direct flights are cheaper
Compared to flights with a stopover, direct flights are $62.00 cheaper on this route.
non stop flight
1 stop
01h 21min
03h 15min
$97
$159
Favourite connection: via Quincy
The most popular route is via Quincy and is booked by 41 % of all travelers.
Route
bookings
1 stopover Quincy, IL
03h 15min, from $159
41 %
Direct flights
01h 21min, from $97
30 %
1 stopover Burlington, IA
19h 40min, from $191
10 %

Important flight information

Flight information: St. Louis - Chicago O'Hare

Roundtrip from $101.62
Distance 416 km
Departure airport Airport St. Louis - Lambert International Airport (STL)
Arrival airport Airport Chicago O'Hare International Airport, IL (ORD)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Chicago O'Hare
Flight destinations with a similar price
Flight destinations with a similar price