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

Return flights

01 Dec - 10 Dec	Air China
05 Dec - 07 Dec	Air China
09 Dec - 16 Dec	Air China
28 Dec - 11 Jan	Air China
27 Dec - 11 Jan	Air China
02 Dec - 19 Dec	Air China
12 Dec - 19 Dec	Air China
04 Dec - 11 Dec	China Eastern
04 Dec - 13 Dec	Etihad Airways
08 Dec - 15 Dec	Air China
06 Dec - 14 Dec	Etihad Airways
03 Dec - 07 Dec	Air China
18 Dec - 08 Jan	Etihad Airways
18 Dec - 10 Jan	Etihad Airways
12 Dec - 02 Jan	Etihad Airways
31 Dec - 14 Jan	Finnair
29 Dec - 06 Jan	China Eastern
31 Dec - 04 Jan	Hainan Airlines
26 Dec - 25 Jan	SWISS
27 Dec - 07 Jan	China Eastern

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.

Book a cheap hotel in Madrid

Cheap car rent in Madrid

Cheapest return flights from Hong Kong to Madrid in December from 402€

Return flights