How much is a flight from Chicago to Saint Louis?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Saint Louis.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Chicago - Saint Louis route.

What are the airport options between Chicago and Saint Louis?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
• Airports in Saint Louis: Saint Louis has one airport operating, Saint Louis - Lambert.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Filter and compare flights from Chicago to Saint Louis

Jetcost helps you manage complex searches with simple filters. Sort by airline, duration, number of stops, or even time windows for outbound and return flights.

Other popular destinations

Want more ideas for your trip to United States? Check these: Las Vegas, Los Angeles, Miami, New York City, Orlando.

Advanced filters help you skip long layovers or inconvenient times. The “airlines” filter is handy if you want to collect miles or prefer a certain onboard experience.