You will be presented with the familiar booking display, and can choose an earlier flight on the same route (or, for that matter, any other flight on the easyJet network). You will pay a fee of €42 (about £35) for the change, plus any increase in fare between the existing flight and the new one.Suppose you booked the old flight good and early, paying say €100, and the new one is now €200: you will pay a total of €142 (about £115).ou will pay a fee of €42 (about £35) for the change, plus any increase in fare between the existing flight and the new one. Suppose you booked the old flight good and early, paying say €100, and the new one is now €200: you will pay a total of €142 (about £115).