Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to Saint Louis. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Chicago to Saint Louis, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
We couldn't find any special offers for flights from Chicago to Saint Louis
There are most likely no direct flights on the Chicago — Saint Louis route
Chicago — Saint Louis
06/07/2026
Departure
Direct flight
AA6352
starting at $450
Chicago — Saint Louis
06/10/2026
Departure
Direct flight
UA1355
starting at $312
Chicago — Saint Louis
06/02/2026
Departure
Direct flight
AA1004
starting at $373
Chicago — Saint Louis
06/05/2026
Departure
Direct flight
AA1004
starting at $184
Chicago — Saint Louis
06/05/2026
Departure
Direct flight
WN2904
starting at $354
Chicago — Saint Louis
06/07/2026
Departure
Direct flight
UA4472
starting at $398
Chicago — Saint Louis
06/08/2026
Departure
Direct flight
UA1355
starting at $246
starting at $184
starting at $92
starting at $354
starting at $169
starting at $173
More than 5 airlines operate flights from Chicago to Saint Louis, including American Airlines, United Airlines, Southwest Airlines, Frontier Airlines, and Allegiant Air. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $92, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest one-way flight from Chicago to Saint Louis departs on 06/06/2026, is operated by United Airlines and costs $92
There is no information about the cheapest roundtrip flight from Chicago to Saint Louis
Fastest flight from Chicago to Saint Louis takes 1h 26m
There are direct flights on this route 5 days a week: Su, Mo, Tu, We, and Fr
The distance between Chicago and Saint Louis is 422km (262 miles). There are 64 direct flights from Chicago to Saint Louis. Chicago and Saint Louis are in the same time zone. Flights from Chicago begin at 7:05 AM. The latest flight from Chicago departs at 11:00 PM
The cheapest flight ticket from Chicago to Saint Louis according to data for the last 48 hours costs $92
Often the best time to buy tickets from Chicago to Saint Louis is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Saint Louis can be found flying in these months: June.
The fastest flights from Chicago to Saint Louis start from 1 hour 26 minutes in the air.
The following airlines operate direct flights on the route Chicago — Saint Louis: American Airlines, United Airlines, Southwest Airlines
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Saint Louis