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

Return flights

12 May - 14 May	AirAsia
14 May - 21 May	AirAsia
04 May - 11 May	AirAsia
05 May - 09 May	AirAsia
11 May - 22 May	AirAsia
01 May - 07 May	AirAsia
03 May - 11 May	AirAsia
03 May - 11 May	Singapore Airlines	direct
11 May - 22 May	Singapore Airlines	direct
24 May - 05 Jun	Singapore Airlines	direct
12 May - 14 May	Singapore Airlines	direct

Also check the deals for one-way flights from Colombo 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 Colombo to Singapore in May from $192

Return flights