Does Allegiant offer refund? In rare situations, Allegiant Air does really provide refunds. Travelers can call Allegiant's customer care department at ????+????-????????????-????????????-???????????????? to get a refund. In general, refunds are given for cancellations made within 24 hours of the reservation, as well as for the particular circumstances listed in Allegiant's refund policy. To comprehend eligibility requirements and any associated costs, it is imperative to go over the terms and conditions linked to the ticket purchase.