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

Return flights

14 Dec - 18 Dec	Air China
11 Dec - 18 Dec	Air China
10 Dec - 16 Dec	Air China
12 Dec - 18 Dec	Air China
10 Dec - 17 Dec	Air China
09 Dec - 18 Dec	Air China
09 Dec - 16 Dec	Air China
05 Dec - 09 Dec	Air China
07 Dec - 17 Dec	Air China
10 Dec - 19 Dec	Air China
28 Dec - 11 Jan	Air France
30 Dec - 07 Jan	Air China
05 Dec - 05 Jan	Air China
18 Dec - 05 Jan	Etihad Airways
27 Dec - 03 Jan	Etihad Airways
26 Dec - 01 Jan	Etihad Airways
25 Dec - 04 Jan	Etihad Airways
26 Dec - 07 Jan	Etihad Airways
26 Dec - 04 Jan	Etihad Airways
25 Dec - 01 Jan	Etihad Airways

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

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 December from $454

Return flights