AirHint found the following cheapest return flights from Brussels (BRU) to Beijing (PEK) in September 2025 (see full year).

Return flights

05 Sep - 13 Sep	Hainan Airlines
30 Sep - 07 Oct	Brussels Airlines
08 Sep - 06 Oct	Brussels Airlines
14 Sep - 21 Sep	Hainan Airlines
13 Sep - 21 Sep	Hainan Airlines
02 Sep - 30 Oct	Brussels Airlines
10 Sep - 17 Sep	KLM
22 Sep - 10 Oct	KLM
27 Sep - 14 Oct	KLM
27 Sep - 15 Oct	KLM
27 Sep - 16 Oct	KLM
27 Sep - 17 Oct	KLM
27 Sep - 18 Oct	KLM
24 Sep - 12 Oct	KLM
04 Sep - 08 Sep	Hainan Airlines
06 Sep - 14 Sep	Hainan Airlines
16 Sep - 23 Sep	Hainan Airlines
08 Sep - 18 Sep	Hainan Airlines
12 Sep - 19 Sep	Brussels Airlines
01 Sep - 25 Sep	Brussels Airlines

Also check the deals for one-way flights from Brussels to Beijing in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Brussels to Beijing in September from 545€

Return flights