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

Return flights

12 May - 19 May	AirAsia
05 May - 19 May	AirAsia
21 May - 02 Jun	AirAsia
07 May - 16 May	AirAsia
09 May - 21 May	AirAsia
29 May - 20 Jun	Malaysia Airlines
21 May - 02 Jun	Singapore Airlines	direct
05 May - 19 May	Singapore Airlines	direct
12 May - 19 May	Singapore Airlines	direct
07 May - 16 May	Singapore Airlines	direct
29 May - 20 Jun	Singapore Airlines	direct
09 May - 21 May	SriLankan 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 217€

Return flights