Tickets can be canceled within 24 hours of purchase for a full refund, free of charge, for any reservation made at least seven days prior to the flight's scheduled departure time. Totally Unused Tickets: Tickets are valid for transportation for one year from the date of purchase. Similarly, how much does it cost to change a Hawaiian Airlines flight? Hawaiian Airlines charges an exchange fee of $ 200 for flights to the continental US and between $ 50 and $ 300 for international flights. There is also a $ 30 exchange fee for flights within the Hawaiian Islands.