Fee Structure: Date change fees depend on the type of ticket you purchased (e.g., non-refundable or refundable). Fare Difference: You may need to pay the difference in fare if your new travel date is more expensive. Booking Flexibility: Changes are allowed up to 24 hours before the flight departs. Non-Refundable Tickets: For non-refundable tickets, changes are subject to a fee and ... https://americanairtravel.com/hawaiin-airlines-date-change-policy/