Depending on the type of question you have and the amount of requests Lufthansa is receiving, their response time may vary. Email correspondence is normally answered by Lufthansa Customer Service in 48 to 72 hours. You might get a faster answer by calling them or using their online chat service for more urgent issues, such airline cancellations or adjustments. Additionally, Lufthansa ... https://www.lowfaresfinder.com/blogs/how-long-does-lufthansa-take-to-respond