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

Return flights

03 Aug - 10 Aug	US-Bangla Airlines	direct
01 Aug - 05 Aug	IndiGo	direct
04 Aug - 08 Aug	IndiGo	direct
06 Aug - 13 Aug	IndiGo	direct
01 Aug - 07 Sep	IndiGo	direct
29 Aug - 02 Sep	IndiGo	direct
17 Aug - 24 Aug	IndiGo	direct
03 Aug - 07 Aug	IndiGo	direct
18 Aug - 22 Aug	IndiGo	direct
05 Aug - 04 Sep	IndiGo	direct
01 Aug - 11 Aug	IndiGo	direct
01 Aug - 10 Aug	Singapore Airlines

Also check the deals for one-way flights from Kolkata 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 Kolkata to Dhaka in August from 97€

Return flights