Looking to upgrade your flight with Japan Airlines? There are several ways to do so. You can bid for an upgrade through their Bid Upgrade service, use your JAL Mileage Bank miles, or request an upgrade at the airport based on seat availability. To bid for an upgrade, visit Japan Airlines' official Bid Upgrade page. If you’re a Mileage Bank member, you can redeem miles for an upgrade. For real-time assistance, you can always contact Japan Airlines customer service at 📞 +1-877-622-0707. The team at 📞 +1-877-622-0707 will provide all the details and guide you through the process.