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

Return flights

23 Sep - 21 Oct	KLM
24 Sep - 21 Oct	KLM
11 Sep - 18 Sep	EgyptAir
03 Sep - 10 Sep	Emirates
24 Sep - 01 Oct	KLM
11 Sep - 25 Sep	KLM
17 Sep - 24 Sep	KLM
04 Sep - 09 Sep	Air France
22 Sep - 20 Oct	Emirates
21 Sep - 26 Sep	Turkmenistan Airlines
16 Sep - 17 Sep	EgyptAir
24 Sep - 20 Oct	Emirates
25 Sep - 29 Sep	KLM
23 Sep - 14 Oct	Emirates
24 Sep - 03 Oct	KLM
19 Sep - 27 Sep	KLM
19 Sep - 26 Sep	KLM
09 Sep - 15 Oct	Emirates
23 Sep - 17 Oct	Cathay Pacific
10 Sep - 15 Oct	Emirates

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 558€

Return flights