The best month to fly between Hong Kong and Shanghai is May and the most expensive month to fly is January. (Average prices, based on 268 datapoints.)
The best day to arrive at Hong Kong is Wednesday and it would be best to avoid Thursday, as prices are on average 94.03% higher than on Wednesday. (Average prices, based on 234 datapoints.)
The cheapest airline flying from Hong Kong to Shanghai is Hong Kong Airlines. They are 44% cheaper than Cathay Pacific. (Average prices, based on 278 datapoints.)
The best time to fly is at around 21. (Average prices, based on 502 datapoints.)