By air
Flights from Chicago to St. Louis
Fly from Chicago to St. Louis (STL) — then arrive and explore.
Searched and booked on Aviasales. Head Your Way may earn a commission at no extra cost to you.
Flight details and fares
Chicago to St. Louis at a glance
- Arrival airport
- STL
- Routing
- 1 stop
- Recent fare from
- £174
- Fare found
- 2026-09-10
£174 is the cheapest recent one-way fare our flight-data partner found for Chicago to St. Louis; live prices move daily by date and demand. Check current Chicago to St. Louis fares and pick your dates:
Are there direct flights from Chicago to St. Louis?
Our latest harvest found the best Chicago to St. Louis fare with 1 stop; a non-stop fare was not returned at that check. Direct routes can appear seasonally, so check the live search above for your dates.
The fare is the cheapest our flight-data partner (Travelpayouts) found for Chicago to St. Louis, found around 2026-09-10: a recent SIGNAL, NOT a live or guaranteed quote, always check current fares before booking. The direct/indirect status reflects the routing found at that check and can vary by season and date. Airport codes from OurAirports. How Head Your Way compiles its data.