AirHint found the following cheapest return flights from Colombo (CMB) to Singapore (SIN) in October 2025 (see full year).

Return flights

01 Oct - 08 Oct	AirAsia
01 Oct - 03 Oct	AirAsia
02 Oct - 07 Oct	IndiGo
01 Oct - 04 Oct	IndiGo
06 Oct - 08 Oct	IndiGo
02 Oct - 06 Oct	IndiGo
11 Oct - 01 Nov	AirAsia
20 Oct - 28 Oct	IndiGo
15 Oct - 22 Oct	IndiGo
17 Oct - 22 Oct	IndiGo
01 Oct - 05 Oct	AirAsia
21 Oct - 02 Nov	AirAsia
27 Oct - 06 Nov	IndiGo
30 Oct - 01 Nov	AirAsia
30 Oct - 26 Nov	AirAsia
27 Oct - 01 Nov	AirAsia
22 Oct - 01 Nov	AirAsia
13 Oct - 01 Nov	AirAsia
15 Oct - 01 Nov	AirAsia
30 Oct - 04 Nov	IndiGo

Also check the deals for one-way flights from Colombo to Singapore in October.

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 October from $233

Return flights