Hawaiian Airlines' cancellation policy offers options for both refundable and non-refundable tickets. Refundable tickets allow cancellations with full refunds, while non-refundable tickets may have fees and restrictions. Fare rules dictate eligibility for changes, refunds, or credits. Canceling a non-refundable ticket may result in cancellation fees, but the airline may provide travel credits for future use. It is important to review the specific fare rules, contact Hawaiian Airlines for assistance, and understand any fees or limitations before canceling a reservation.