Yes, you can reschedule your Lufthansa flight by calling hotline number (+1) 844 949 8748 or (+44) 800 208 1075 Lufthansa's 24-hour change policy enables you to modify your booking without any fees, a representative will assist you with the process and update your reservation as needed. reaching out to the airline online, Go to the Lufthansa website, use booking code to access your flights, change your flight date, destination, or seat type.