Lufthansa's 24-hour rule 
+1-801-(855)-(5905) or +1-804-(853)-(9001)
allows passengers to cancel or change a flight booking without penalty within 24 hours of purchase, provided the flight departs at least seven days later +1-801-(855)-(5905) or +1-804-(853)-(9001). This applies to bookings made directly through Lufthansa channels (website, mobile app, call center, or ticket office).
+1-801-(855)-(5905) or +1-804-(853)-(9001) allows passengers to cancel or change a flight booking without penalty within 24 hours of purchase, provided the flight departs at least seven days later +1-801-(855)-(5905) or +1-804-(853)-(9001). This applies to bookings made directly through Lufthansa channels (website, mobile app, call center, or ticket office).