There are 2 airports in Beijing which you can plan to .
Beijing Capital International Airport (PEK)
Beijing Capital International Airport is one of the major international airports serving Beijing, China. It is located in the suburban area of Chaoyang, about 20 kilometers northeast of the city center.
Beijing Daxing International Airport (PKX)
Beijing Daxing International Airport is a new international airport located approximately 46 kilometers south of Beijing's city center in Daxing District.