SeatBoost Upgrade your seat when you fly with SeatBoost’s live, last-minute auctions. **HOW IT WORKS** - Download the free SeatBoost app - Starting 24 hours before your flight, check if your flight is eligible - Join the live auction for your desired class and bid for an upgrade - You can bid for yourself as well as for your traveling companions - Pay only if you win - Winners receive their upgrade automatically at the end of the auction **AVAILABLE AIRLINES** SeatBoost is currently availa