Please be aware that Beijing has multiple airports and that these results are for all airports serving the city.
The best day to arrive at Beijing is Wednesday and it would be best to avoid Friday, as prices are on average 193.83% higher than on Wednesday. (Average prices, based on 405 datapoints.)
The cheapest airline flying to Beijing is Sichuan Airlines. They are 50% cheaper than Shenzhen Airlines. (Average prices, based on 222 datapoints.)
At Beijing the most flights depart around 08:00. (Hourly flights, based on 556 datapoints.)
From Beijing it is on average the cheapest to fly to Shanghai and to Hong Kong. (Average prices, based on 89 datapoints.)
From Beijing most of the flights depart to Shanghai, second best connected from Beijing is Hong Kong. (Daily flights, based on 220 datapoints.)