Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Champaign to Isle of Wight as you normally would.
For a flight from Champaign to Isle of Wight, you will be flying from University-Willard. Champaign University-Willard (CMI) is just 5.6 mi from the center of the city. University-Willard is the only Champaign airport and it handles 0 outbound flights to Isle of Wight per day. 1 airline has flights to Isle of Wight from Champaign University-Willard on a regular basis.