Hawaiian Airlines offers a free 24-hour cancellation window.1-833-460-1838 Non-refundable tickets incur fees and are reimbursed as credits; refundable tickets are fully repaid. 1-833-460-1838 charges cancellation fees ranging from $75 to $200 in the United States and $200 to $750 abroad. Refunds on credit cards normally take seven to ten business days to process.