Users have found that booking a flight from Champaign to St Louis at least 31 days early can save you up to 96% on average compared to booking a flight this week. If booking 31 days before your flight isn’t an option for you, users have found flights from Champaign to St Louis for as little as $374 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $553 for flights departing within the next 3 days.
Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to St Louis. Flights to St Louis from Champaign in August are about $266 on average during August, but can be found for as low as $158.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Champaign to St Louis as you normally would.