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

Return flights

13 May - 20 May	Etihad Airways
01 May - 15 May	Etihad Airways
08 May - 18 May	Etihad Airways
06 May - 10 May	Etihad Airways
06 May - 13 May	Etihad Airways
05 May - 10 May	Etihad Airways
01 May - 13 May	Etihad Airways
25 May - 12 Jun	Etihad Airways
26 May - 11 Jun	Etihad Airways
22 May - 04 Jun	Etihad Airways
24 May - 05 Jun	Etihad Airways
24 May - 06 Jun	Etihad Airways
22 May - 30 May	KLM
22 May - 31 May	KLM
22 May - 27 May	Etihad Airways

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

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 May from 486€

Return flights