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

Return flights

15 Oct - 10 Nov	AirAsia
11 Oct - 12 Oct	Air India
17 Oct - 18 Oct	Air India
15 Oct - 21 Oct	AirAsia
10 Oct - 18 Oct	Air India
25 Oct - 07 Nov	AirAsia
20 Oct - 24 Oct	Scoot
15 Oct - 20 Oct	AirAsia
14 Oct - 21 Oct	Air India
23 Oct - 29 Oct	Air India
10 Oct - 19 Oct	Air India
17 Oct - 24 Oct	Air India
27 Oct - 04 Nov	Air India
30 Oct - 07 Nov	Air India
31 Oct - 15 Nov	Air India
23 Oct - 12 Nov	Air India
22 Oct - 10 Nov	Air India
21 Oct - 10 Nov	Air India
26 Oct - 11 Nov	AirAsia
26 Oct - 04 Nov	AirAsia

Also check the deals for one-way flights from Singapore to Colombo 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 Singapore to Colombo in October from 216€

Return flights