What’s the cost of a flight from Saint Louis to Chicago O'Hare?

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

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Are there alternative airports near Saint Louis and Chicago?

The two cities are about 415 km apart. Looking beyond the main airport might reveal better options.

• Airports in Saint Louis: Saint Louis - Lambert is the only airport in operation.
• Airports in Chicago: Chicago is served by 3 airports - Midway, O'Hare, Rockford.

Many smaller airports are connected by direct buses or shuttles, often at low cost. If Chicago has more than one airport, you can pick the most convenient for your destination.

Filter and compare flights from Saint Louis to Chicago O'Hare

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.