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

Return flights

31 Aug - 29 Sep	IndiGo
29 Aug - 05 Sep	IndiGo
23 Aug - 30 Aug	IndiGo
26 Aug - 21 Sep	IndiGo
25 Aug - 21 Sep	IndiGo
25 Aug - 07 Sep	IndiGo
25 Aug - 07 Sep	FitsAir	direct
26 Aug - 21 Sep	FitsAir	direct
25 Aug - 21 Sep	FitsAir	direct
24 Aug - 31 Aug	SriLankan Airlines	direct
23 Aug - 30 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 $269

Return flights