How do I contact Lufthansa to change my flight? When contacting us via telephone, you can reach us at (+1~888~829~1465) OTA, please be sure to include the following information: Text telephone for customers with hearing impairments: First dial 711 and then ​for relaying to the TRS (within the US only). Visit for more: https://sites.google.com/view/lufthansaairlineflightchangena/home