Cheap Flights from Chicago to St. Louis
Cheap Chicago-St. Louis Flight Tickets
These prices are the lowest available for the specified locations on the Obilet website. Prices may vary depending on the selected date, location, and availability of the flight.
Cheapest Travel on Obilet
:
€ 267.42
The Most Favorable Price
:
American AirlinesThe Most Active Airline
:
American AirlinesAverage Number of Trips Per Day
:
43Shortest Flight Time
:
1hr 21minDistance
:
418 KMCheap Flight Tickets from Chicago to St. Louis
American Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
06:44
St. Louis
Lambert St Louis Airport
08:09
American Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
12:16
St. Louis
Lambert St Louis Airport
13:43
United Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
12:59
St. Louis
Lambert St Louis Airport
14:24
American Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
13:46
St. Louis
Lambert St Louis Airport
15:12
United Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
14:20
St. Louis
Lambert St Louis Airport
15:46
American Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
14:50
St. Louis
Lambert St Louis Airport
16:16
American Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
17:59
St. Louis
Lambert St Louis Airport
19:27
United Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
21:23
St. Louis
Lambert St Louis Airport
22:45
American Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
22:35
St. Louis
Lambert St Louis Airport
23:56
United Airlines
01 December 2025-Monday
Chicago
Chicago Ohare Airport
16:10
St. Louis
Lambert St Louis Airport
17:39
The prices shown are starting ticket prices. Prices may vary depending on the selected date, location, and trip availability.
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Estimated Cheapest Chicago - St. Louis Flight Tickets by Month
Airlines Operating Flights from Chicago to St. Louis
Popular Flights Departing From Chicago
Popular Flights Arriving At St. Louis
Chicago - Airports
St. Louis - Airports
Alternative Flights Between Chicago - St. Louis
Frequently Asked Questions
How long does flight take from Chicago - St. Louis?
On average, the trip from Chicago - St. Louis takes 1 hour 21 minute.
Which airlines organize flights between Chicago - St. Louis?
Airline companies that organize flights between Chicago - St. Louis: Delta Air Lines, United Airlines, American Airlines
Which airline company organizes the most flights between Chicago - St. Louis?
The company that organizes the most flights between Chicago - St. Louis: American Airlines
How much is the cheap flight ticket between Chicago - St. Louis?
Cheap flight ticket between Chicago - St. Louis is € 267.42.
Which airports can I use for Chicago - St. Louis flight?
Chicago Midway Airport, Waukegan Rgnl Airport, Chicago Ohare Airport, Meigs Field Airport can be used as the departure airport on the Chicago - St. Louis flight, and Lambert St Louis Airport, Saint Louis Airport can also be used as the arrival airport.
