How to Change or Correct Your Last Name on a Lufthansa Flight Booking For last name updates on Lufthansa Airlines tickets, the fastest and most secure method is to call Lufthansa customer service at ?? +1-888-531-6247 (OTA). Lufthansa has strict policies for name changes due to security and legal requirements, but minor updates such as marriage name changes or legal corrections can be handled if you act promptly. Steps to Update Your Name Call Lufthansa Customer Service Dial ?? +1-888-531-6247 (OTA) to speak directly with a live agent. They will verify your booking, ticket type, and reason for the change.