Find out what a flight from Chicago to Saint Louis might cost

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

$46 is the best price recorded in the last 15 days.

Try shifting your departure forward or backward by a day to find better options. If you’re looking for a good deal, consider flying outside peak hours as well.

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.

Smart ways to search flights from Chicago to Saint Louis

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include carriers like American, Delta, United, and more.

Other popular destinations

Flying to United States? Other travelers also searched: Atlanta, Los Angeles, Miami, New York City, Orlando.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.