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

One-Way flights

31 Aug	Hainan Airlines
18 Aug	China Eastern
13 Aug	China Eastern
09 Aug	China Eastern
06 Aug	China Eastern
02 Aug	China Eastern
27 Aug	Hong Kong Airlines
05 Aug	China Eastern
28 Aug	China Southern
20 Aug	Hong Kong Airlines

Also check the deals for return 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 one-way flights from Hong Kong to Madrid in August from 287€

One-Way flights