Flights from Chicago to St. Louis

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Our cheapest offers for flights from Chicago to St. Louis

Here you can compare cheap flights from Chicago (CHI) 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
St. Louis
Outbound
03/02/25
1 Stopover (BRL)
9X0445, 9X0446
14h 05min
Return
03/07/25
1 Stopover (BRL)
9X0441, 9X0444
26h 10min
Southern Airways Express
$102
Best option
Chicago
St. Louis
Outbound
03/02/25
direct
UA4394
01h 22min
Return
03/07/25
direct
UA5721
01h 32min
United Airlines ?
$320
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (BRL)
9X0445, 9X0446
14h 05min
Return
03/07/25
1 Stopover (BRL)
9X0441, 9X0444
26h 10min
Southern Airways Express
$105
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (BRL)
9X0445, 9X0440
23h 35min
Return
03/07/25
1 Stopover (BRL)
9X0441, 9X0442
14h 40min
Southern Airways Express ?
$109
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (BRL)
9X0445, 9X0440
23h 35min
Return
03/07/25
1 Stopover (BRL)
9X0441, 9X0442
14h 40min
Southern Airways Express ?
$117
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (UIN)
9X0488, 9X0463
04h 20min
Return
03/07/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express ?
$135
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (UIN)
9X0488, 9X0463
04h 20min
Return
03/07/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express
$144
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (UIN)
9X0482, 9X0465
03h 55min
Return
03/07/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express
$151
Chicago
St. Louis
Outbound
03/02/25
1 Stopover (UIN)
9X0488, 9X0463
04h 20min
Return
03/07/25
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express ?
$205
Chicago
St. Louis
Outbound
03/02/25
direct
UA4613
01h 32min
Return
03/07/25
direct
UA5721
01h 32min
United Airlines ?
$1,162
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Chicago to St. Louis

Favorite airline: Southern Airways Express
52 % of flights from Chicago to St. Louis are booked with Southern Airways Express.
Southern Airways Express
52 %
United Airlines
22 %
Spirit Airlines
11 %
Direct flights are cheaper
On this route, direct flights are $77.00 cheaper than flights with a stopover.
non stop flight
1 stop
01h 27min
19h 20min
$ 86
$ 163
Favourite connection: via Quincy
Stopover flights on this route are especially popular via Quincy, making up 51 % of bookings.
Route
bookings
1 stopover Quincy, IL
11h 15min, from $ 169
51 %
Direct flights
01h 27min, from $ 86
29 %
1 stopover Fort Lauderdale-Hollywood International Airport, FL
11h 42min, from $ 264
8 %

Important flight information

Flight information: Chicago - St. Louis

Roundtrip from $ 101,59
Flight duration min. 01:05 / max. 08:55
Return flight duration min. 01:00/ max. 12:10
Distance 419 km
Flights per week 203
Departure airport Airport Chicago-IL all Airports (ORD, MDW, RFD) (CHI)
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
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* Prices may vary, please check the travel details given by the online travel agency before booking. Prices include taxes.