Please be aware that Shanghai has multiple airports and that these results are only for Hongqiao International airport.
The best month to arrive at Shanghai is January and the most expensive month to fly is July. (Average prices, based on 393 datapoints.)
The best day to arrive at Shanghai is Thursday and it would be best to avoid Sunday, as prices are on average 257.6% higher than on Thursday. (Average prices, based on 382 datapoints.)
The cheapest airline flying to Shanghai is Hainan Airlines. They are 91% cheaper than All Nippon Airways. (Average prices, based on 418 datapoints.)
At Shanghai the most flights depart around 07:00. (Hourly flights, based on 450 datapoints.)
From Shanghai it is on average the cheapest to fly to Beijing and to Guangzhou. (Average prices, based on 97 datapoints.)