Japan Airlines (JAL) offers various methods to secure an upgrade to their first-class cabin, improving your flying experience with amazing comfort and dedicated services. If you want to upgrade, you may have the option to use miles, bid for an upgrade, or purchase an upgrade at the airport, depending on seat availability. JAL Upgrade to Business class is often available as a first step towards securing a seat in First Class. If you’re a member of JAL’s frequent flyer program, you may also have access to exclusive upgrade offers or priority for award seat upgrades.