Beijing Nanyuan Airport serves as the secondary airport of Beijing. Located in Fengtai District, 3 kilometres (1.9 mi) south of the Fourth Ring Road and 13 km (8.1 mi) from Tiananmen Square, . It is the main hub of China Domestic Airlines.
Nanyuan Airport will be closed once the new Beijing Daxing International Airport is completed, estimated to be on 1 October 2019