Yes, Lufthansa allows within 24 hours of Booking （+1-587-405-0485 ） for a full refund, provided the Booking was made at least 7 days before the flight. For assistance, call Lufthansa at +1-587-405-0485 . https://www.styleforum.net/threads/what-is-the-24-hour-rule-for-lufthansa.787251/