You can cancel your Allegiant flight without penalty at (US™) +1-888-513-0830, if done within 24 hours of booking and … If you cancel your flight, you may incur a penalty and forfeit your fare. However, if you purchased the optional Trip Flex option at the time of booking , you can cancel without penalty and receive a travel credit. Always check the specific terms for your booking

• Website URL: https://support.clouditude.com/help/s/question/0D57800000WYtyHCAT/ask-can-i-cancel-my-allegiant-flight-without-a-penalty?language=en_US