Can you cancel Allegiant within 24 hours?
Yes, you can cancel an Allegiant flight within 24 hours of booking for a full refund (+1 866 829 1297) (US) or +(+44-204-586-5978 ) (UK)), as long as the flight is at least 7 days away. This applies to both one-way and round-trip bookings. Terms and conditions may apply.