Take Metro Line 19.
According to Baidu Map, get on the train from Hangzhou East Railway Station (East Square) Station, take Metro Line 19 (direction to Yongsheng Road), get off after 5 stops, get off at Xiaoshan International Airport Station (exit the subway exit), and walk
10 meters to Hangzhou Xiaoshan International Airport, the shortest journey takes about 24 minutes, the total journey is about 24.1 kilometers, and the fare is 7 yuan.