Cheap flights Chicago — Saint Louis (CHI — STL)

Good to know - Cheap tickets Chicago — Saint Louis

Flight distance 422 km
Round-trip from $47
Cheapest month to fly September

Airfare Chicago – Saint Louis by month

Here you can find out in what months how much a ticket Chicago – Saint Louis costs to buy cheap plane tickets.

Month One-way Round-trip
February 2027
December 2026
October 2026
September 2026
August 2026
July 2026
June 2026
May 2026
April 2026
March 2026
February 2026
January 2026

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Popular airlines flying Chicago — Saint Louis

Flight Chicago – Saint Louis is served by 6 airlines.

Sales of tickets from Chicago to Saint Louis in the last 48 hours

2026-09-11 - 2026-09-27

2026-09-11 - 2026-09-27

2026-09-11 - 2026-09-27

Dynamics airfare Chicago — Saint Louis by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Chicago — Saint Louis

The graph shows that booking flights Chicago — Saint Louis is best planned for September and flights Chicago — Saint Louis — Chicago in the month of September.

Flights Chicago — Saint Louis

The selection of cheap flights Chicago — Saint Louis

The price of the flight Chicago — Saint Louis (United States) — Chicago from $47 (round-trip).

The average price of the flight Chicago — Saint Louis (United States) — Chicago $231 (round-trip).

Low cost flights Chicago — Saint Louis (CHI — STL)

The distance between Chicago and Saint Louis 262 miles (or 422 kilometres).

The time difference between Chicago and Saint Louis is 0 h.

Routes from nearby cities to Saint Louis

A flight from a neighbouring city can help you save money on plane tickets.

The closest airports to Chicago with a flight to Saint Louis are in South Bend.

Popular International routes from Chicago

Popular routes from Saint Louis

If you are going to fly from Saint Louis, then study the popular flights. The most popular flights from Saint Louis:

Popular domestic routes from Chicago

FAQ about Chicago — Saint Louis

Yes, you can fly from Chicago to Saint Louis. Chicago has 8 airports (Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport) for flights. There are non-direct flights through American Airlines, Contour Aviation, FedEx Feeder, Jet Linx Aviation, NetJets, SkyWest Charter.

The price of flights Chicago — Saint Louis starts from $47.

In Chicago — Merrill C Meigs, DuPage Airport, Chicago Midway International Airport, Chicago NAS, Chicago Executive Airport, Chicago FSS, Chicago Rockford International Airport, O'Hare International Airport. In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport.

High season is considered to be November and the cheapest month is September. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Chicago — Saint Louis flight deals.

All the following airlines flights Chicago — Saint Louis: American Airlines, Contour Aviation, FedEx Feeder, Jet Linx Aviation, NetJets, SkyWest Charter.

Low price calendar