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

Return flights

06 May - 14 May	Singapore Airlines	direct
01 May - 06 May	Singapore Airlines	direct
01 May - 05 May	Singapore Airlines	direct
02 May - 11 May	SriLankan Airlines
02 May - 11 May	Singapore Airlines	direct
06 May - 18 May	AirAsia X
06 May - 17 May	AirAsia X
06 May - 11 May	AirAsia X
27 May - 02 Jun	IndiGo	direct
26 May - 01 Jun	IndiGo	direct
20 May - 07 Jun	AirAsia X
20 May - 08 Jun	AirAsia X
01 May - 18 May	AirAsia X
01 May - 17 May	AirAsia X

Also check the deals for one-way flights from Delhi to Singapore 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 Delhi to Singapore in May from $258

Return flights