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

Return flights

31 Oct - 11 Nov	Air China
23 Oct - 30 Oct	Air China
30 Oct - 10 Nov	Air China
21 Oct - 28 Oct	Finnair
21 Oct - 29 Oct	Finnair
14 Oct - 29 Oct	Air China
17 Oct - 27 Oct	Air China
17 Oct - 26 Oct	Air China
19 Oct - 29 Oct	Sichuan Airlines
14 Oct - 24 Oct	Sichuan Airlines
26 Oct - 02 Nov	Sichuan Airlines
14 Oct - 22 Oct	Sichuan Airlines
18 Oct - 28 Oct	Finnair
28 Oct - 09 Nov	Air China
28 Oct - 02 Nov	Air China
19 Oct - 04 Nov	SWISS
17 Oct - 01 Nov	Air China
28 Oct - 09 Nov	Cathay Pacific	direct
31 Oct - 11 Nov	Cathay Pacific	direct
19 Oct - 04 Nov	Cathay Pacific	direct

Also check the deals for one-way flights from Hong Kong to Madrid 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 Madrid in October from 387€

Return flights