Please be aware that Shanghai has multiple airports and that these results are for all airports serving the city.
The best day to arrive at Shanghai is Thursday and it would be best to avoid Sunday, as prices are on average 55.62% higher than on Thursday. (Average prices, based on 943 datapoints.)
The cheapest airline flying to Shanghai is Juneyao Airlines. They are 84% cheaper than All Nippon Airways. (Average prices, based on 252 datapoints.)
At Shanghai the most flights depart around 13:00. (Hourly flights, based on 1045 datapoints.)
From Shanghai it is on average the cheapest to fly to Hong Kong and to Guangzhou. (Average prices, based on 226 datapoints.)
From Shanghai most of the flights depart to Beijing, second best connected from Shanghai is Guangzhou. (Daily flights, based on 433 datapoints.)