You have 24 hours from Booking to cancel a Hawaiian Airlines flight for a full refund if booked at least 7 days before departure. After that, cancellations may incur fees or result in travel credits. For help, contact 𝐇𝐚𝐰𝐚𝐢𝐢𝐚𝐧 customer service at 🏖 🏜𝟭^𝟴𝟱𝟱⇒𝟴𝟯𝟴⇒𝟰𝟴𝟴.𝟱.