Helping travelers to find the best flight offers
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 Saint Louis to Chicago. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
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 Saint Louis to Chicago
A direct flight is the most convenient and comfortable way to fly from Saint Louis to Chicago, despite the fact that sometimes flights with transfers can cost significantly less.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Saint Louis to Chicago:
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.
The cheapest one-way flight from Saint Louis to Chicago departs on 10/24/2025, is operated by Executive Express Aviation LLC dbaSouthern Airways and costs $86
The cheapest roundtrip flight from Saint Louis to Chicago departs on 11/08/2025, is operated by Southwest Airlines and costs $134
Fastest flight from Saint Louis to Chicago takes 1h 10m
There are direct flights on this route 2 days a week: Th and Sa
The distance between Saint Louis and Chicago is 422km (262 miles). There are 44 direct flights from Saint Louis to Chicago. Saint Louis and Chicago are in the same time zone. Flights from Saint Louis begin at 5:25 AM. The latest flight from Saint Louis departs at 9:20 PM
The Saint Louis — Chicago route is served by a wide range of airlines: 4 in total, including United Airlines, Southwest Airlines, Executive Express Aviation LLC dbaSouthern Airways, and Frontier Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $86. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
Starting at $163
Starting at $98
Starting at $86
Starting at $91
Saint Louis — Chicago
10/17/2025
Departure
Direct flight
UA4423
Starting at $163
Saint Louis — Chicago
10/20/2025
Departure
Direct flight
WN1906
Starting at $207
Saint Louis — Chicago
10/24/2025
Departure
Direct flight
WN3866
Starting at $173
Saint Louis — Chicago
10/09/2025
Departure
Direct flight
WN1906
Starting at $98
Saint Louis — Chicago
10/13/2025
Departure
Direct flight
UA1761
Starting at $380
Saint Louis — Chicago
10/27/2025
Departure
Direct flight
WN635
Starting at $185
Saint Louis — Chicago
11/29/2025
Departure
Direct flight
UA4183
Starting at $345
United Airlines
Every day
Starting at $278
The cheapest flight ticket from Saint Louis to Chicago according to data for the last 48 hours costs $86
Often the best time to buy tickets from Saint Louis to Chicago is 2 months before departure.
The fastest flights from Saint Louis to Chicago start from 1 hour 10 minutes in the air.
The following airlines operate direct flights on the route Saint Louis — Chicago: United Airlines, Southwest Airlines
We couldn't find any special offers for flights from Saint Louis to Chicago