How to Upgrade to Business Class on Lufthansa? Lufthansa Airlines offers various ways to upgrade seats to business class. One can upgrade their seat to Lufthansa Business class using the miles upgrade option, Lufthansa Bid upgrade, or via Pay for the Lufthansa upgrade. However, the upgrade is limited to the availability of the seat on the flight. For more comprehensive details on eligibility and benefits visit the aforementioned blog. Link:https://airlinesgrouptravel.blogspot.com/2024/02/lufthansa-airlines-business-class.html