Get access to Hawaiian Airlines Cancellation Policy by dialling the Hawaiian airlines;s flight cancellation number 1-800-367-5320 Hawaiian Airlines allows customers to cancel flight tickets for a full refund within 24 hours of purchase, as long as the purchase was made at least 7 days Hawaiian Airlines cancellation Policy Within 24 Hours · All tickets of Hawaiian airlines can be canceled free of cost within 24 hours of purchase Hawaiian Air 24 Hour Cancellation – Flight bookings can be cancelled within 24 hours of purchase and passengers can avail of a full refund