Canceling your upcoming Hawaiian Trip? The airline values travelers’ decision of retaining or canceling their trips and allows them to execute the process easily. According to the Hawaiian Airlines Cancellation Policy, passengers can cancel their trip either using the My Trips section or by calling the airline’s customer support agents. If you cancel your tickets within 24 hours of booking, you can get a full refund, irrespective of the fare type. So, why wait? Make a decision now and proceed accordingly.