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

Return flights

31 Aug - 09 Sep	China Eastern
31 Aug - 05 Sep	China Eastern
31 Aug - 13 Sep	China Eastern
31 Aug - 08 Sep	China Eastern
31 Aug - 07 Sep	Hong Kong Airlines
30 Aug - 14 Sep	China Eastern
29 Aug - 03 Sep	Juneyao Airlines
29 Aug - 13 Sep	Juneyao Airlines
27 Aug - 03 Sep	Shenzhen Airlines
28 Aug - 02 Sep	China Eastern

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Hong Kong to Madrid in August from $812

Return flights