Yes 1-(8-8-8) 61 /-15 / 7-5-3 , you can book a flight for someone else with Frontier. Just provide the passenger's information during the booking process 1-(8-8-8) 61 /-15 / 7-5-3 . For any issues or questions, call 1-(8-8-8) 61 /-15 / 7-5-3 for assistance in making the booking.