Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Isle of Wight to Tunis as you normally would.
For a flight from Isle of Wight to Tunis, you will be flying into Carthage. Tunis Carthage (TUN) is just 4.1 mi from the center of the city. Carthage is the only Tunis airport and it handles 0 inbound flights from Isle of Wight per day. 0 airlines have flights to Tunis Carthage from Isle of Wight on a regular basis.