Cheap Flights from Chicago to St Louis
Flight information Chicago to St Louis
Cheapest roundtrip price last month
Flights per week
Average flight time, total distance 405 kilometers
Most popular airline last month
Frequently asked questions
Find flights from Chicago to St Louis with Skyscanner. We provide a free search service where you can compare flights from all major airlines and travel agents to find the cheapest flight tickets for Chicago to St Louis.
Prices shown on this page are estimated lowest prices only. Found in the last 45 days.