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

Return flights

25 Aug - 10 Sep	Finnair
31 Aug - 10 Sep	Finnair
31 Aug - 14 Sep	Finnair
28 Aug - 14 Sep	Finnair
27 Aug - 09 Sep	Etihad Airways
28 Aug - 25 Sep	Finnair
26 Aug - 09 Sep	Finnair
23 Aug - 14 Sep	Finnair
30 Aug - 14 Sep	Finnair
18 Aug - 30 Sep	Air France
08 Aug - 19 Aug	Qatar Airways
08 Aug - 20 Aug	Qatar Airways
08 Aug - 25 Aug	Qatar Airways
09 Aug - 15 Aug	Qatar Airways
14 Aug - 24 Aug	Iberia
14 Aug - 21 Aug	Etihad Airways
20 Aug - 31 Aug	Etihad Airways
22 Aug - 31 Aug	Etihad Airways
04 Aug - 11 Aug	Qatar Airways
04 Aug - 14 Aug	Qatar Airways

Also check the deals for one-way flights from Madrid to Singapore 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 return flights from Madrid to Singapore in August from $670

Return flights