Lufthansa's cancellation policy depends on the ticket type and the timing of the cancellation. You can typically cancel and get a refund for a fully refundable ticket at any time. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) A 24-hour cancellation rule might apply if you're in the U.S., allowing a full refund if booked at least a week before departure. Call at +1-888-415-1245 (US) or +44-203-869-5245 (UK) For involuntary cancellations by Lufthansa (flight delays over 2-5 hours, or cancellations), you are entitled to rebooking or a refund.