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
:
€ 176.88
The Most Favorable Price
:
American AirlinesThe Most Active Airline
:
American AirlinesAverage Number of Trips Per Day
:
42Shortest Flight Time
:
1hr 14minDistance
:
418 KMCheap Flight Tickets from Chicago to St. Louis
United Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
09:00
St. Louis
Lambert St Louis Airport
10:34
United Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
10:35
St. Louis
Lambert St Louis Airport
12:06
American Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
07:05
St. Louis
Lambert St Louis Airport
08:32
United Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
07:05
St. Louis
Lambert St Louis Airport
08:39
American Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
11:47
St. Louis
Lambert St Louis Airport
13:15
American Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
12:37
St. Louis
Lambert St Louis Airport
14:03
United Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
12:55
St. Louis
Lambert St Louis Airport
14:23
United Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
14:20
St. Louis
Lambert St Louis Airport
15:46
American Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
14:58
St. Louis
Lambert St Louis Airport
16:30
United Airlines
24 May 2026 - Sunday
Chicago
Chicago Ohare Airport
16:00
St. Louis
Lambert St Louis Airport
17:28
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
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Chicago and 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 14 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 € 176.88.
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.
