How do I contact Allegiant Air by phone?
Call +1-802-278-0759 or 1 (702) 505-8888, Allegiant Air's official customer care line, which is open around-the-clock, to speak with a live agent. Should you want assistance with reservations, please press 4 or contact Allegiant Air by phone at +1-802-278-0759 or 1 (702) 505-8888.