Canceling a trip that has already been booked requires hard work. As a result, Allegiant Airlines ensures that all of its passengers have access to the services they demand. Simply pick up the phone and contact Allegiant Airlines' customer support hotline to speak with a live employee. He'll show you how to cancel an Allegiant airline flight and how to do it correctly. You may also contact our customer service department, and we'll take care of everything. At any time, our team is here to help you.