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

Return flights

05 Dec - 07 Dec	US-Bangla Airlines	direct
18 Dec - 21 Dec	Biman Bangladesh Airlines	direct
06 Dec - 08 Dec	Biman Bangladesh Airlines	direct
04 Dec - 29 Dec	IndiGo	direct
31 Dec - 07 Jan	IndiGo	direct
16 Dec - 23 Dec	IndiGo	direct
20 Dec - 24 Dec	IndiGo	direct
12 Dec - 16 Dec	IndiGo	direct
27 Dec - 30 Dec	IndiGo	direct
20 Dec - 23 Dec	IndiGo	direct
30 Dec - 02 Jan	IndiGo	direct
03 Dec - 03 Dec	IndiGo

Also check the deals for one-way flights from Kolkata to Dhaka in December.

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 December from 101€

Return flights