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

Return flights

03 Oct - 06 Oct	Scoot Tigerair
09 Oct - 11 Oct	Air India
16 Oct - 10 Nov	AirAsia
06 Oct - 13 Oct	AirAsia
17 Oct - 20 Oct	Air India
24 Oct - 28 Oct	Air India
18 Oct - 22 Oct	Air India
09 Oct - 16 Oct	Air India
03 Oct - 12 Oct	Air India
15 Oct - 26 Oct	Air India
11 Oct - 20 Oct	Air India
15 Oct - 10 Nov	Air India
25 Oct - 12 Nov	AirAsia
25 Oct - 03 Nov	AirAsia
25 Oct - 11 Nov	AirAsia
25 Oct - 02 Nov	Air India
18 Oct - 03 Nov	AirAsia
11 Oct - 01 Nov	AirAsia
25 Oct - 01 Nov	AirAsia
25 Oct - 07 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 210€

Return flights