Can I cancel my Allegiant flight without penalty https://www.devex.com/people/can-i-cancel-my-allegiant-flight-without-penalty-2046525 Yes, you can cancel your Allegiant flight without penalty if you do so within 24 hours of booking 1-844-949-8748, as long as your departure date is at least seven days away. Allegiant's 24-hour risk-free cancellation policy allows you to receive ... https://www.devex.com/people/can-i-cancel-my-allegiant-flight-without-penalty-2046525