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

Return flights

14 May - 21 May	Air India
06 May - 11 May	AirAsia
13 May - 21 May	AirAsia
15 May - 21 May	AirAsia
06 May - 13 May	AirAsia
07 May - 11 May	AirAsia
07 May - 14 May	AirAsia
18 May - 25 May	Air India
17 May - 24 May	Air India
20 May - 27 May	Air India
27 May - 02 Jun	Air India
06 May - 13 Jun	AirAsia
20 May - 02 Jun	AirAsia
20 May - 02 Jun	Singapore Airlines	direct
10 May - 14 Jun	AirAsia
06 May - 13 Jun	IndiGo	direct
10 May - 14 Jun	Singapore Airlines	direct

Also check the deals for one-way flights from Kolkata 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 Kolkata to Singapore in May from 147€

Return flights