How well do you know what is spirit Airlines cancellation policy? According to Spirit Airlines cancellation policy, if a passenger cancels their online reservation, the airline may reward them with a $10 one-way voucher. This certificate may be used by the visitor for future travel if the cost of cancellation exceeds the cost of the flight.The passengers who reserved their non-refundable flight may be charged revocation fees after the risk-free window has passed. If the airline itself cancels your reservation, you are entitled to a refund.