Please be aware that Shanghai has multiple airports and that these results are only for Pudong International airport.
The best day to arrive at Shanghai is Monday and it would be best to avoid Sunday, as prices are on average 44.91% higher than on Monday. (Average prices, based on 904 datapoints.)
The cheapest airline flying to Shanghai is Hainan Airlines. They are 32% cheaper than Thai Lion Air. (Average prices, based on 376 datapoints.)
At Shanghai the most flights depart around 09:00. (Hourly flights, based on 754 datapoints.)
From Shanghai it is on average the cheapest to fly to Bangkok and to Seoul. (Average prices, based on 165 datapoints.)
From Shanghai most of the flights depart to Tokyo, second best connected from Shanghai is Beijing. (Daily flights, based on 204 datapoints.)