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

Return flights

04 Sep - 12 Sep	KLM
15 Sep - 15 Oct	KLM
21 Sep - 21 Oct	KLM
22 Sep - 22 Oct	KLM
19 Sep - 10 Oct	KLM
01 Sep - 09 Sep	Air France
01 Sep - 07 Sep	Air France
29 Sep - 30 Oct	Air France
28 Sep - 12 Oct	Air France
16 Sep - 16 Oct	Air France
17 Sep - 17 Oct	KLM
19 Sep - 19 Oct	KLM
23 Sep - 23 Oct	KLM
12 Sep - 29 Sep	Wizz Air Malta
01 Sep - 20 Sep	Wizz Air Malta
01 Sep - 13 Sep	Air France
01 Sep - 17 Sep	Air France
05 Sep - 13 Sep	KLM
08 Sep - 19 Sep	Air France
09 Sep - 19 Sep	KLM

Also check the deals for one-way flights from Barcelona 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 Barcelona to Beijing in September from 579€

Return flights