Shanghai Hongqiao International Airport is the main domestic airport serving Shanghai, with limited international flights. It is located closer to the city center than Pudong Airport, Shanghai’s main international airport. Hongqiao Airport is a hub for China Eastern Airlines, Shanghai Airlines, Juneyao Airlines and Spring Airlines. In 2014, Hongqiao Airport handled almost 38 million passengers, making it the 4th busiest airport in mainland China.
An airport was first built in the town of Hongqiao in the west of Shanghai in 1907, initially as a small military airfield. In 1923, it was upgraded into the Hongqiao Airport for mixed civilian use.
Source: Wikipedia