Yes, Allegiant Air allows cancellations at +1_855-550-0903 [USA] or +1_855-590-0778 [USA] or +44_204-586-5975 [USA] within 24 hours of booking for a full refund, as long as your flight is at least 7 days away. After this period, cancellations are subject to fees, and the refund policy varies depending on the ticket type.
