Hawaiian Airlines allows you to cancel your flight online with no problems. Passengers also can request a refund online at Hawaiian Airlines' official website, by filling out the refund request form. Only qualifying Hawaiian Airlines flight tickets that are canceled within the present time-frame are eligible for a refund. Hawaiian Airlines Cancellation Policy doesn't offer refunds after a ticket's validity period has expired. It's going to take a while for Hawaiian Airlines to process your refund request, but it should be completed within 7 to 10 business days. Hawaiian airlines cancelled my flight? If Hawaiian Airlines flights are canceled thanks to unavoidable circumstances on Hawaiian Airlines' part, travelers are offered compensation to book subsequent available Hawaiian Airlines trips. As a result, you'll quickly cancel your Hawaiian Airlines flight and receive a refund.