All fares of Lufthansa, SWISS, Austrian Airlines, Brussels Airlines , and Eurowings can now be rebooked free of charge as often as desired up to May 31, 2021, if the rebooking is also made before that date. Lufthansa Group Airline s had already made it possible for its customers to rebook their tickets without a fee last year. The waiver of the rebooking fee applies worldwide for all new bookings ...