Cheap flights from Chicago to Saint Louis
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Book a Chicago O'Hare to Saint Louis flight and save

The price of an airline ticket from Chicago O'Hare to Saint Louis varies depending on your travel dates and how far in advance you book your flight. Fly Scanner brings you the best cheap flights by comparing schedules, airlines, stopovers, alternative dates and other destinations in United States.

Are you looking for a Chicago O'Hare - Saint Louis direct flight?

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Save money on your Chicago O'Hare - Saint Louis flight

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How to find the best flight with Fly Scanner

Enter the class of travel, number of passengers and days of the flight and you can compare the best available offers in seconds. If you have flexibility in choosing your trip, you can save even more! For example, by flying in United States, we can offer you other cheaper destinations or other travel dates for the same destination. How to do this? Apply our filters on the search page!

Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to Saint Louis.

How much does a Chicago O'Hare - Saint Louis flight cost?

The lowest price in the last 15 days for an airline ticket from Chicago O'Hare to Saint Louis is $97.

How far is Chicago from Saint Louis?

Chicago is about 258 mi from Saint Louis.

What are the airports in Saint Louis?

Saint Louis has one airport: Saint Louis - Lambert.

What are the airports in Chicago?

At Chicago there are 3 airports: Midway, O'Hare, Rockford.

What are the most popular destinations searched for in United States?

The most searched cities in United States according to our users are: Las Vegas, Los Angeles, Miami, New York City, Orlando.

What is the cheapest month to fly from Chicago to Saint Louis?

The cheapest month to fly from Chicago to Saint Louis is January.

What is the most expensive month to fly from Chicago to Saint Louis?

The most expensive month to fly from Chicago to Saint Louis is March.

What is the best day of the week to fly from Chicago to Saint Louis?

For flights from Chicago to Saint Louis Tuesday is on average the cheapest day to fly, while Monday is the most expensive day to fly.
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