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

Return flights

27 Dec - 17 Jan	Etihad Airways
23 Dec - 22 Jan	Etihad Airways
22 Dec - 22 Jan	Etihad Airways
05 Dec - 06 Jan	Etihad Airways
11 Dec - 16 Jan	Etihad Airways
23 Dec - 23 Jan	Etihad Airways
22 Dec - 23 Jan	Etihad Airways
29 Dec - 16 Jan	SWISS
02 Dec - 09 Dec	Etihad Airways
09 Dec - 23 Jan	Etihad Airways
21 Dec - 23 Jan	Etihad Airways
23 Dec - 28 Dec	Etihad Airways
24 Dec - 31 Dec	Etihad Airways
22 Dec - 31 Dec	Etihad Airways
03 Dec - 16 Dec	Etihad Airways
03 Dec - 17 Dec	Etihad Airways
19 Dec - 31 Dec	Etihad Airways
21 Dec - 31 Dec	Etihad Airways
19 Dec - 27 Dec	Emirates

Also check the deals for one-way flights from Singapore 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 Singapore to Madrid in December from 514€

Return flights