The best day to arrive at Hangzhou is Wednesday and it would be best to avoid Monday, as prices are on average 96.86% higher than on Wednesday. (Average prices, based on 638 datapoints.)
At Hangzhou the most flights depart around 11:00. (Hourly flights, based on 514 datapoints.)
From Hangzhou it is on average the cheapest to fly to Shenzhen and to Guangzhou. (Average prices, based on 304 datapoints.)
From Hangzhou most of the flights depart to Shenzhen, second best connected from Hangzhou is Beijing. (Daily flights, based on 205 datapoints.)