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

Return flights

28 Aug - 24 Sep	Finnair
27 Aug - 09 Sep	Finnair
25 Aug - 08 Sep	Finnair
31 Aug - 14 Sep	Finnair
24 Aug - 08 Sep	Finnair
24 Aug - 10 Sep	Finnair
30 Aug - 15 Sep	Finnair
29 Aug - 25 Sep	Finnair
22 Aug - 08 Sep	Finnair
25 Aug - 12 Sep	Finnair
04 Aug - 11 Aug	Pegasus Airlines
08 Aug - 18 Aug	Qatar Airways
07 Aug - 14 Aug	Etihad Airways
20 Aug - 31 Aug	Air China
11 Aug - 14 Aug	Ryanair
22 Aug - 31 Aug	Iberia
01 Aug - 03 Aug	ITA Airways
08 Aug - 15 Aug	Qatar Airways
21 Aug - 28 Aug	Iberia
19 Aug - 26 Aug	Iberia

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 499€

Return flights