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

Return flights

29 Oct - 03 Nov	AirAsia
08 Oct - 09 Oct	AirAsia
24 Oct - 29 Oct	AirAsia
01 Oct - 05 Oct	AirAsia
15 Oct - 22 Oct	AirAsia
23 Oct - 27 Oct	AirAsia
18 Oct - 26 Oct	IndiGo
14 Oct - 20 Oct	IndiGo
01 Oct - 21 Oct	IndiGo
17 Oct - 20 Oct	IndiGo
18 Oct - 20 Oct	IndiGo
29 Oct - 08 Nov	AirAsia
29 Oct - 06 Nov	AirAsia
29 Oct - 03 Nov	Singapore Airlines	direct
15 Oct - 15 Nov	IndiGo
29 Oct - 19 Nov	AirAsia
29 Oct - 15 Nov	AirAsia
24 Oct - 08 Nov	AirAsia
24 Oct - 06 Nov	AirAsia
29 Oct - 01 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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Colombo to Singapore in October from 217€

Return flights