AirHint found the following cheapest return flights from Singapore (SIN) to Madrid (MAD) in September 2026 (see full year).

Return flights

08 Sep - 06 Oct	Turkish Airlines
17 Sep - 08 Oct	Etihad Airways
26 Sep - 03 Oct	Turkish Airlines
18 Sep - 09 Oct	Etihad Airways
19 Sep - 09 Oct	Etihad Airways
15 Sep - 19 Sep	Turkish Airlines
09 Sep - 25 Sep	Turkish Airlines
09 Sep - 26 Sep	Turkish Airlines
12 Sep - 27 Sep	Turkish Airlines
28 Sep - 01 Oct	Air Europa
11 Sep - 25 Sep	Air Europa

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

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 September from $604

Return flights