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 Saturday and it would be best to avoid Friday, as prices are on average 164.54% higher than on Saturday. (Average prices, based on 363 datapoints.)
The cheapest airline flying to Beijing is China United Airlines. They are 52% cheaper than Shandong Airlines. (Average prices, based on 248 datapoints.)
At Beijing the most flights depart around 15:00. (Hourly flights, based on 318 datapoints.)
From Beijing it is on average the cheapest to fly to Guangzhou and to Xiamen. (Average prices, based on 238 datapoints.)
From Beijing most of the flights depart to Guangzhou, second best connected from Beijing is Xiamen. (Daily flights, based on 59 datapoints.)