AirHint found the following cheapest return flights from Barcelona (BCN) to Shanghai (SHA) in October 2025 (see full year).

Return flights

02 Oct - 28 Oct	Air China	direct
02 Oct - 16 Oct	Air China	direct
02 Oct - 11 Oct	Air China	direct
03 Oct - 14 Oct	KLM
03 Oct - 08 Oct	KLM
02 Oct - 10 Oct	KLM
03 Oct - 07 Oct	KLM
01 Oct - 12 Oct	KLM
02 Oct - 12 Oct	KLM
01 Oct - 11 Oct	KLM
28 Oct - 20 Nov	Air France
28 Oct - 11 Nov	Air China
02 Oct - 07 Nov	Air China
27 Oct - 17 Nov	Air China
24 Oct - 24 Nov	Shenzhen Airlines
27 Oct - 09 Nov	Air China
23 Oct - 13 Nov	KLM
04 Oct - 04 Nov	KLM
23 Oct - 01 Nov	Vueling Airlines
20 Oct - 04 Nov	Air China

Also check the deals for one-way flights from Barcelona to Shanghai in October.

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 Shanghai in October from 501€

Return flights