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

Return flights

12 Oct - 03 Nov	Air France
30 Oct - 06 Nov	Finnair
16 Oct - 26 Oct	Air France
20 Oct - 30 Oct	Air France
14 Oct - 30 Oct	Air France
13 Oct - 11 Nov	Air France
29 Oct - 06 Nov	Finnair
29 Oct - 09 Nov	SWISS
29 Oct - 10 Nov	SWISS
29 Oct - 05 Nov	SWISS
13 Oct - 21 Oct	Air China
13 Oct - 23 Oct	Air China
07 Oct - 29 Oct	Finnair
15 Oct - 28 Oct	Finnair
24 Oct - 28 Oct	Finnair
23 Oct - 30 Oct	Finnair
30 Oct - 14 Nov	SWISS
18 Oct - 24 Oct	Air China
24 Oct - 03 Nov	Air China
30 Oct - 09 Nov	Finnair

Also check the deals for one-way flights from Hong Kong to Barcelona 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 Hong Kong to Barcelona in October from 446€

Return flights