Cheap flights from Chicago to Saint Louis
Selected dates may not give results due to COVID-19. We suggest you change the dates.
Round trip One way
Round trip
One way
Select departure
No results match your search criteria
  • Latest searches
Select arrival
No results match your search criteria
  • Latest searches
Round trip One way
Round trip
One way
{{ weekDay }}
{{ panel.label }}
Looking for a one-way flight?
{{ fromDate | dateToDayNumber }}

{{ fromDate | dateToMonthName }}

{{ fromDate | dateToDayName }}

{{ flexibleFromDateLabel }}
{{ option.label }}
?
{{ flexibleToDateLabel }}
{{ option.label }}
Class and passengers
Class
Economy
Available for Economy only
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
  • Compare with:
    Sponsored

Find cheap flights from Chicago O'Hare to Saint Louis

Fly Scanner helps you compare the best deals to Saint Louis, offering the most cost effective solutions for your trip. Find your airline ticket at the best price in seconds by comparing fares from hundreds of airlines and online travel agencies in a single search!

Save time by comparing only direct flights

Compare the best solutions for direct flights from Chicago O'Hare to Saint Louis choosing among the offers of more than 300 airlines and online agencies. Save time with Fly Scanner and find your airline ticket at the best price in seconds.

Find Chicago O'Hare - Saint Louis direct flights

Fly Scanner compares flight offers for you according to your needs, so you can find the ideal flight ticket for you. Want to fly non-stop? Just filter your search and Fly Scanner will show you only the best offers for Chicago O'Hare - Saint Louis direct flights.

Save money with the alternative solutions of Fly Scanner

Customize your search at several levels, filtering for example by a specific departure and arrival airport or by direct flights only. If you can travel flexibly Fly Scanner will offer you even more convenient alternative dates to book a Chicago O'Hare - Saint Louis cheap flight.

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 availability of airline tickets can vary greatly depending on the time of year and destination. This information is currently unavailable for flights from Chicago O'Hare to Saint Louis.

How far is Chicago from Saint Louis?

Chicago is about 415 km 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?

This information is not available at the moment.

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

This information is not available at the moment.

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

This information is not available at the moment.
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more