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

Return flights

05 Dec - 16 Dec	Air China
05 Dec - 15 Dec	Air China
05 Dec - 12 Dec	Air China
07 Dec - 16 Dec	Air China
08 Dec - 17 Dec	Air China
02 Dec - 12 Dec	Air China
03 Dec - 13 Dec	Air China
09 Dec - 04 Jan	Sichuan Airlines
11 Dec - 05 Jan	Sichuan Airlines
17 Dec - 28 Dec	Air China
12 Dec - 06 Jan	Air China
09 Dec - 24 Dec	Air China
08 Dec - 03 Jan	Air China
17 Dec - 31 Dec	Air China
19 Dec - 11 Jan	Air China
24 Dec - 04 Jan	Emirates
27 Dec - 03 Jan	Etihad Airways
27 Dec - 02 Jan	Etihad Airways
23 Dec - 02 Jan	Etihad Airways
24 Dec - 03 Jan	Emirates

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 386€

Return flights