In accordance with Spirit Airlines Cancellation Policy you are entitled to a full refund if you cancel your flight within 24 hours of your initial reservation and at least 7 days before the scheduled departure date. If the 24-hour cancellation deadline has gone and you still want to change your Spirit Airlines flight reservation, you won't get a refund and you might have to pay a fee (depending on how soon you cancel your booking). You can cancel your Spirit Airlines reservation booked through Alternative Airlines and still get a full refund if you get in touch with us during regular business hours and within the allotted 24-hour cancellation period.