How much should you expect to spend for a flight from Chicago to Saint Louis?

Flight prices from Chicago to Saint Louis change depending on demand and time of booking.

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

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

Are there alternative airports near Chicago and Saint Louis?

The two cities are about 412 km apart. Looking beyond the main airport might reveal better options.

• Airports in Chicago: There are 3 airports in Chicago - Midway, O'Hare, Rockford.
• Airports in Saint Louis: Only Saint Louis - Lambert is active at the moment.

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

Customize your flight from Chicago to Saint Louis

Jetcost allows you to filter by travel dates, duration, layovers, carriers, and booking providers. You’ll find direct and connecting flights, one-way or round-trip, from the best airlines and travel agencies.

Other popular destinations

Thinking about United States? You might also consider: Las Vegas, Los Angeles, Miami, New York City, Orlando.

You can sort results by price, duration, or departure time to find the best option for you. When available, results always include both low-cost and traditional airlines.