Lufthansa CityLine GmbH is a German regional airline with its headquarters on the grounds of Munich Airport.

It was reorganised and renamed as DLT Luftverkehrsgesellschaft mbH on 1 October 1974 and began cooperation with Lufthansa in 1978 with short-range international routes.

[6] In late 2014, parent company Lufthansa announced it would begin transferring eight of its Airbus A340-300 aircraft to CityLine.

[15] In November 2024, the airline's labour union sued Lufthansa regarding the planned closure stating the similarity of the operations of its proposed successor.

[17] The airline's corporate headquarters are at the Flight Operations Center (FOC) at Munich Airport.

[20] In 1998, the airline moved its offices to the security area of that airport; several of its departments however were in Munich.