Allegiant Cancellation Policy - Tickets Purchased with Cash or Points
Allegiant Air 24-hour cancellation policy
You can cancel any flight reservation within 24 hours and get a full refund, if you booked your flight at least 7 days before departure. Allegiant's 24-hour cancellation policy applies to all types of tickets.
Allegiant cancellation policy for standard tickets
If you cancel a standard (non-Trip Flex) ticket after 24 hours of purchase:
You will be charged a reduced cancellation fee of $ 25 (typically $ 75) per passenger per segment until COVID-19 relaxations last.
You will be issued a non-refundable Allegiant travel credit minus the applicable cancellation fee for the balance due. https://www.cancellation-policy.com/allegiant-airlines-cancellation-policy