Allegiant Airlines Cancellation Policy Explained: Fees, Refunds, and More Allegiant Airlines' cancellation policy allows for flexibility, but fees may apply depending on the timing of your cancellation. You can cancel up to an hour before departure for a full refund on refundable tickets. Non-refundable tickets typically incur a cancellation fee. For more details, visit Allegiant’s website or contact customer service to explore your options. To know more visit here: https://shorturl.at/x8MbG #allegiantairlines #allegiantairlinescancellationpolicy