Does Allegiant offer refund? Allegiant Air offers refunds for eligible instances, such as cancellations made within the specified term or under the conditions mentioned in their refund policy. Passengers requesting refunds can contact Allegiant customer care at ????+????-????????????-????????????-???????????????? to commence the procedure. Before proceeding with the request, it is recommended that you review Allegiant's refund terms to ensure that you understand the criteria and any associated fees.