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
Best option
Chicago
St. Louis
Outbound
12/13/24
direct
AA3497
01h 17min
Return
12/31/24
direct
AA0629
01h 29min
American Airlines ?
$97
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
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
12/13/24
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Return
12/31/24
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express ?
$108
Chicago
St. Louis
Outbound
12/13/24
1 Stopover (BRL)
9X0445, 9X0446
15h 25min
Return
12/31/24
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
Southern Airways Express ?
$117
Chicago
St. Louis
Outbound
12/13/24
direct
AA4595
01h 26min
Return
12/31/24
1 Stopover (BRL)
9X0447, 9X0442
19h 25min
American Airlines ?
$120
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
12/13/24
direct
UA2618
01h 24min
Return
12/31/24
direct
UA4428
01h 35min
United Airlines ?
$138
Chicago
St. Louis
Outbound
12/13/24
1 Stopover (BRL)
9X0443, 9X0440
08h 30min
Return
12/31/24
1 Stopover (BRL)
9X0447, 9X0444
03h 35min
Southern Airways Express ?
$139
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
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 %

Flight information: Chicago - St. Louis

Roundtrip from $96.13
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
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.