AirHint found the following cheapest one-way flights from Singapore (SIN) to Madrid (MAD) in August 2025 (see full year).

One-Way flights

05 Aug	Etihad Airways
01 Aug	Etihad Airways
03 Aug	Etihad Airways
06 Aug	Etihad Airways
07 Aug	Etihad Airways
12 Aug	Etihad Airways
11 Aug	Etihad Airways
20 Aug	Qatar Airways
26 Aug	Air India
19 Aug	Emirates

Also check the deals for return flights from Singapore to Madrid in August.

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 one-way flights from Singapore to Madrid in August from $387

One-Way flights