Airline Directory Detail Go back KLM Royal Dutch Airlines Go back Contact Details - Airport Office +965 22438142 Office +965 24713857 KLM Royal Dutch Airlines was founded on 7 October, 1919 to serve the Netherlands and its colonies. KLM is today the oldest airline still operating under its original name. KLM has been part of the AIR FRANCE KLM group since the merger in 2004. Information Airline Code KLM / KL Website klm.com Checkin Checkin