How To Change Name On Frontier Airlines Go to Frontier Airlines' official website and go into your account to modify your name. Go to 'My Trips' and choose the reservation for which a name change is needed. For a name update, click 'Edit' and follow the instructions. For help in case of problems or if the name change is necessary for legal reasons, get in touch with Frontier's customer support directly. Name changes may be subject to a cost, so be sure to check Frontier's policies in advance. To prevent issues at the airport, make sure that your identity corresponds with the details on your reservation at all times.