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

Return flights

20 Aug - 27 Aug	Finnair
20 Aug - 26 Aug	Finnair
12 Aug - 27 Aug	Emirates
12 Aug - 26 Aug	Emirates
12 Aug - 24 Aug	Emirates
11 Aug - 24 Aug	Emirates
12 Aug - 22 Aug	Emirates
20 Aug - 31 Aug	Finnair
23 Aug - 30 Aug	Finnair
14 Aug - 21 Aug	Finnair
04 Aug - 10 Sep	Emirates
31 Aug - 08 Sep	Finnair
31 Aug - 07 Sep	Finnair
31 Aug - 09 Sep	Finnair
30 Aug - 08 Sep	Finnair
26 Aug - 10 Sep	Air China
26 Aug - 07 Sep	Finnair
30 Aug - 28 Sep	Hong Kong Airlines
30 Aug - 12 Sep	SWISS
28 Aug - 12 Sep	Air China

Also check the deals for one-way flights from Hong Kong to Madrid in August.

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 August from 588€

Return flights