Please be aware that Shanghai has multiple airports and that these results are only for Pudong International airport.
The best month to arrive at Shanghai is May and the most expensive month to fly is August. (Average prices, based on 976 datapoints.)
The best day to arrive at Shanghai is Monday and it would be best to avoid Thursday, as prices are on average 58.87% higher than on Monday. (Average prices, based on 879 datapoints.)
The cheapest airline flying to Shanghai is EastarJet. They are 49% cheaper than Shenzhen Airlines. (Average prices, based on 1107 datapoints.)
At Shanghai the most flights depart around 09:00. (Hourly flights, based on 1373 datapoints.)
From Shanghai it is on average the cheapest to fly to Seoul and to Guangzhou. (Average prices, based on 339 datapoints.)
From Shanghai most of the flights depart to Guangzhou, second best connected from Shanghai is Seoul. (Daily flights, based on 142 datapoints.)