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

Return flights

01 Dec - 04 Dec	Air China
05 Dec - 13 Dec	Sichuan Airlines
01 Dec - 07 Dec	British Airways
06 Dec - 13 Dec	Wizz Air Malta
01 Dec - 05 Dec	Ryanair
03 Dec - 07 Dec	British Airways
23 Dec - 29 Dec	Etihad Airways
10 Dec - 20 Dec	Sichuan Airlines
21 Dec - 09 Jan	Aegean Airlines
20 Dec - 02 Jan	Aegean Airlines
24 Dec - 03 Jan	Ryanair
18 Dec - 05 Jan	Aegean Airlines
21 Dec - 08 Jan	Aegean Airlines
29 Dec - 02 Jan	Ryanair
25 Dec - 04 Jan	SKY express
26 Dec - 05 Jan	Beijing Capital Airlines
24 Dec - 31 Dec	Iberia
26 Dec - 28 Dec	Iberia
20 Dec - 03 Jan	Ryanair
21 Dec - 04 Jan	Ryanair

Also check the deals for one-way flights from Madrid to Singapore 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 Madrid to Singapore in December from 584€

Return flights