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

Return flights

02 May - 22 May	Singapore Airlines	direct
09 May - 14 May	Singapore Airlines	direct
17 May - 25 May	SriLankan Airlines
16 May - 25 May	SriLankan Airlines
16 May - 25 May	Singapore Airlines	direct
17 May - 25 May	Singapore Airlines	direct
08 May - 25 May	AirAsia X
22 May - 25 May	AirAsia X
08 May - 22 May	AirAsia X
17 May - 22 May	AirAsia X
25 May - 15 Jun	AirAsia X
25 May - 14 Jun	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 $261

Return flights