Can I cancel my Allegiant flight without penalty? Yes, copyright offers a 24-hour cancellation policy,:airplane: 1-844-488-0875 (OTA) OR-TOll-FRee ????//????????????//????????????//????????????????:anchor:️ {{Quick-connect}} allowing you to cancel your flight within 24 hours of booking without any penalties. https://stubhub.community/t5/Events-and-Venues/Can-I-cancel-my-Allegiant-flight-without-penalty/m-p/262200#M112335