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

Return flights

28 Oct - 07 Nov	Air China
30 Oct - 10 Nov	Finnair
29 Oct - 11 Nov	Finnair
30 Oct - 09 Nov	Finnair
14 Oct - 30 Oct	Finnair
18 Oct - 28 Oct	Finnair
14 Oct - 29 Oct	Finnair
29 Oct - 05 Nov	Finnair
07 Oct - 12 Nov	Air France
08 Oct - 12 Nov	Air France
15 Oct - 30 Oct	Finnair
28 Oct - 10 Nov	SWISS
22 Oct - 02 Nov	Finnair
17 Oct - 26 Oct	Air China
19 Oct - 02 Nov	SWISS
14 Oct - 21 Oct	Air China
16 Oct - 23 Oct	Finnair
02 Oct - 22 Oct	Finnair
13 Oct - 31 Oct	Air China
24 Oct - 31 Oct	Air China

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 433€

Return flights