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 November and the most expensive month to fly is July. (Average prices, based on 935 datapoints.)
The best day to arrive at Shanghai is Monday and it would be best to avoid Saturday, as prices are on average 54.77% higher than on Monday. (Average prices, based on 291 datapoints.)
The cheapest airline flying to Shanghai is Hainan Airlines. They are 46% cheaper than Shenzhen Airlines. (Average prices, based on 1079 datapoints.)
At Shanghai the most flights depart around 20:00. (Hourly flights, based on 1478 datapoints.)
From Shanghai it is on average the cheapest to fly to Guangzhou and to Seoul. (Average prices, based on 171 datapoints.)
From Shanghai most of the flights depart to Hong Kong, second best connected from Shanghai is Guangzhou. (Daily flights, based on 217 datapoints.)