The best month to fly between Guangzhou and Shanghai is March and the most expensive month to fly is May. (Average prices, based on 203 datapoints.)
The best day to arrive at Guangzhou is Tuesday and it would be best to avoid Thursday, as prices are on average 37.4% higher than on Tuesday. (Average prices, based on 576 datapoints.)
The cheapest airline flying from Guangzhou to Shanghai is Hainan Airlines. They are 64% cheaper than Shenzhen Airlines. (Average prices, based on 219 datapoints.)
The best time to fly is at around 6. (Average prices, based on 520 datapoints.)