Planning a vacation increases the likelihood of an unexpected change in plans. However, one can avoid last-minute headaches and additional costs for flight cancellation, alteration, and rescheduling, as well as for Expedia name changes, by purchasing a refundable ticket on Expedia in advance. Can I Get a Free Flight Change on Expedia? If a passenger needs to make adjustments to their flight ticket, they can either do it themselves online on \"Trips\" by choosing the \"Modify Booking\" option and following the guidelines. The passenger can contact customer service at 1-888-843-8860, which is a toll-free number, if they have any problems.