It’s typically best to fly out from Atlanta to Champaign in the afternoon. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.
Departing on a Monday is a good option for securing a great price. You can expect to save up to 67% when planning your travel around this day of the week.
Due to multiple factors, expect to potentially pay more when booking in October. For low rates, June can be a great choice for travel to Champaign. Flights to Champaign from Atlanta in June are about $345 on average during June, but can be found for as low as $195.