https://www.touretrip.com/cancellations/lufthansa-airlines-cancellation-policy-fees/
Lufthansa Airlines cancellation Policy And Process | Touretrip
Lufthansa cancellation fee of $100 to $500 is applicable if ticket cancellation requests made after the 24 hours as a risk-free cancellation. If you cancel your Lufthansa flight within 24 hours from the scheduled departure of your flight, then a fee of $100 to $400 will be charged as a Lufthansa cancellation fee.