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

Return flights

07 Oct - 14 Oct	AirAsia
02 Oct - 09 Oct	AirAsia
16 Oct - 27 Oct	AirAsia
05 Oct - 11 Oct	AirAsia
21 Oct - 25 Oct	AirAsia
20 Oct - 23 Oct	AirAsia
02 Oct - 09 Oct	Singapore Airlines	direct
10 Oct - 17 Oct	AirAsia
01 Oct - 08 Oct	Singapore Airlines	direct
10 Oct - 14 Oct	Singapore Airlines	direct
24 Oct - 08 Nov	AirAsia
30 Oct - 08 Nov	AirAsia
30 Oct - 19 Nov	AirAsia
30 Oct - 17 Nov	AirAsia
29 Oct - 08 Nov	AirAsia
29 Oct - 19 Nov	AirAsia
29 Oct - 17 Nov	AirAsia
24 Oct - 02 Nov	AirAsia
30 Oct - 02 Nov	AirAsia
24 Oct - 14 Nov	AirAsia

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 215€

Return flights