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

One-Way flights

11 Aug	China Eastern
13 Aug	China Eastern
17 Aug	China Eastern
04 Aug	China Eastern
06 Aug	Hong Kong Airlines
02 Aug	China Eastern
05 Aug	Scoot Tigerair
12 Aug	Scoot Tigerair
19 Aug	Scoot Tigerair
01 Aug	IndiGo

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 335€

One-Way flights