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

Return flights

16 Oct - 25 Oct	AirAsia
11 Oct - 29 Oct	AirAsia
11 Oct - 12 Oct	AirAsia
23 Oct - 29 Oct	AirAsia
11 Oct - 30 Oct	AirAsia
11 Oct - 23 Oct	AirAsia
23 Oct - 01 Nov	AirAsia
19 Oct - 29 Oct	Thai AirAsia
23 Oct - 03 Nov	AirAsia
11 Oct - 14 Oct	AirAsia
11 Oct - 16 Oct	AirAsia
11 Oct - 31 Oct	AirAsia
29 Oct - 01 Nov	Thai AirAsia
19 Oct - 01 Nov	Thai AirAsia
23 Oct - 04 Nov	AirAsia
29 Oct - 03 Nov	Thai AirAsia
29 Oct - 17 Nov	Thai AirAsia
19 Oct - 03 Nov	Thai AirAsia
23 Oct - 06 Nov	AirAsia
23 Oct - 10 Nov	AirAsia

Also check the deals for one-way flights from Hanoi 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 Hanoi to Colombo in October from $284

Return flights