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

Return flights

21 Aug - 20 Sep	IndiGo
27 Aug - 03 Sep	IndiGo
28 Aug - 25 Sep	IndiGo
26 Aug - 05 Sep	IndiGo
21 Aug - 28 Aug	SriLankan Airlines
20 Aug - 30 Aug	SriLankan Airlines
21 Aug - 25 Aug	Air India
28 Aug - 25 Sep	FitsAir	direct
21 Aug - 20 Sep	FitsAir	direct
26 Aug - 05 Sep	FitsAir	direct
21 Aug - 25 Aug	FitsAir	direct
27 Aug - 03 Sep	FitsAir	direct
26 Aug - 30 Aug	FitsAir	direct
20 Aug - 30 Aug	SriLankan Airlines	direct
21 Aug - 28 Aug	SriLankan Airlines	direct

Also check the deals for one-way flights from Colombo to Dhaka in August.

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 Colombo to Dhaka in August from 237€

Return flights