Absolutely! You can cancel an Allegiant flight without fees if you act quickly. Allegiant’s 24-hour cancellation policy enables you to cancel your reservation within 24 hours of booking without any penalties, as long as your flight is scheduled for at least a week later. Beyond this period, cancellation fees may apply. To ensure you understand your options, refer to the airline’s cancellation policy. If you need to cancel your flight, don’t hesitate to contact Allegiant’s customer support for guidance.