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

Return flights

05 May - 19 May	AirAsia
05 May - 12 May	AirAsia
07 May - 14 May	AirAsia
06 May - 13 May	AirAsia
12 May - 19 May	AirAsia
13 May - 20 May	AirAsia
14 May - 21 May	AirAsia
11 May - 18 May	AirAsia
08 May - 11 May	Scoot
15 May - 23 May	Air India
25 May - 01 Jun	AirAsia
31 May - 07 Jun	AirAsia
26 May - 02 Jun	AirAsia
27 May - 03 Jun	Malaysia Airlines
28 May - 04 Jun	AirAsia
30 May - 06 Jun	AirAsia
29 May - 05 Jun	AirAsia
30 May - 07 Jun	AirAsia
26 May - 02 Jun	Singapore Airlines	direct
25 May - 01 Jun	Singapore Airlines	direct

Also check the deals for one-way flights from Singapore to Colombo 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 Colombo in May from 186€

Return flights