Please be aware that Beijing has multiple airports and that these results are for all airports serving the city.
The best month to arrive at Beijing is April and the most expensive month to fly is March. (Average prices, based on 405 datapoints.)
The best day to arrive at Beijing is Tuesday and it would be best to avoid Monday, as prices are on average 30.62% higher than on Tuesday. (Average prices, based on 2882 datapoints.)
The cheapest airline flying to Beijing is China Eastern Airlines. They are 65% cheaper than Cathay Pacific. (Average prices, based on 542 datapoints.)
At Beijing the most flights depart around 08:00. (Hourly flights, based on 750 datapoints.)
From Beijing it is on average the cheapest to fly to Shanghai and to Shanghai. (Average prices, based on 694 datapoints.)
From Beijing most of the flights depart to Hangzhou, second best connected from Beijing is Hong Kong. (Daily flights, based on 145 datapoints.)