If you purchased a refundable ticket, you have more flexibility when it comes to changing your flight date. Refundable tickets typically allow changes with fewer restrictions and lower fees.
No Change Fee: Refundable tickets generally come with lower or no change fees, depending on availability.
Fare Difference: If you’re changing to a flight on a higher fare, you’ll need to pay t... https://americanairtravel.com/hawaiin-airlines-date-change-policy/