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

Return flights

05 Oct - 21 Oct	Etihad Airways
30 Oct - 10 Nov	Etihad Airways
24 Oct - 07 Nov	Etihad Airways
29 Oct - 10 Nov	Etihad Airways
29 Oct - 30 Nov	Etihad Airways
31 Oct - 16 Nov	Etihad Airways
31 Oct - 21 Nov	Etihad Airways
14 Oct - 21 Oct	Qatar Airways
10 Oct - 21 Oct	Qatar Airways
11 Oct - 21 Oct	Qatar Airways
27 Oct - 27 Oct	SWISS
11 Oct - 19 Oct	Qatar Airways
01 Oct - 31 Oct	Etihad Airways
26 Oct - 28 Oct	China Eastern
05 Oct - 13 Oct	Qatar Airways
12 Oct - 17 Oct	Qatar Airways
27 Oct - 01 Nov	Turkish Airlines
07 Oct - 05 Nov	Air Europa

Also check the deals for one-way flights from Singapore to Madrid in October.

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 October from $573

Return flights