The best month to fly between Shenzhen and Beijing is June and the most expensive month to fly is January. (Average prices, based on 987 datapoints.)
The best day to arrive at Shenzhen is Wednesday and it would be best to avoid Tuesday, as prices are on average 51.05% higher than on Wednesday. (Average prices, based on 249 datapoints.)
The cheapest airline flying from Shenzhen to Beijing is Hainan Airlines. They are 24% cheaper than China Southern Airlines. (Average prices, based on 1008 datapoints.)
The best time to fly is at around 18. (Average prices, based on 1183 datapoints.)