Unless you have purchased Trip Flex, no credit will be issued for date changes or cancellations made within 7 days of departure. In response to the continued flexibility need due to the COVID-19 pandemic, Allegiant Air charges a temporarily reduced change fee of $25 per person per segment (one takeoff and one landing) for change or cancelation of itineraries booked after. A credit voucher for future travel within one year from the initial reservation will be issued for qualifying changes or cancellations. After 24 hours, purchases are non-refundable.