If you would like to cancel your reservation with Allegiant, and it's been quite 24 hours since you booked your ticket, According to the Allegiant cancellation policy, you'll be charged a fee of $75 per passenger, per segment. Afterward, credit is going to be issued minus the $75 cancellation fee. If you want to save your money or time call +1-855-804-2283 and cancel your ticket without any charges and get back the 100% refund of your ticket. The remaining funds are going to be applied as non-refundable credit good for future travel with Allegiant.