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

Return flights

11 Sep - 25 Sep	KLM
17 Sep - 24 Sep	KLM
18 Sep - 25 Sep	KLM
15 Sep - 22 Sep	Air France
12 Sep - 15 Sep	KLM
25 Sep - 02 Oct	KLM
06 Sep - 16 Sep	KLM
23 Sep - 26 Sep	Vietnam Airlines
12 Sep - 14 Sep	KLM
30 Sep - 03 Oct	Air Astana
30 Sep - 14 Oct	Hainan Airlines
24 Sep - 06 Oct	Air China
27 Sep - 04 Oct	KLM
25 Sep - 12 Oct	Hainan Airlines
18 Sep - 08 Oct	KLM
30 Sep - 13 Oct	Emirates
28 Sep - 09 Oct	KLM
30 Sep - 09 Oct	Hainan Airlines
11 Sep - 25 Sep	Air China	direct
23 Sep - 26 Sep	Air China	direct

Also check the deals for one-way flights from Beijing to Barcelona 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 Beijing to Barcelona in September from $681

Return flights