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

Return flights

30 Oct - 09 Nov	Air India
03 Oct - 07 Oct	Air India
01 Oct - 11 Oct	Air India
01 Oct - 19 Oct	Air India
22 Oct - 29 Oct	Singapore Airlines
21 Oct - 31 Oct	Singapore Airlines
01 Oct - 10 Oct	Singapore Airlines
06 Oct - 10 Oct	Singapore Airlines
10 Oct - 17 Oct	Singapore Airlines
03 Oct - 09 Oct	Singapore Airlines
01 Oct - 08 Oct	Air India
30 Oct - 09 Nov	SriLankan Airlines	direct

Also check the deals for one-way flights from Dhaka 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 Dhaka to Colombo in October from 252€

Return flights