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

Return flights

21 Dec - 28 Dec	Biman Bangladesh Airlines	direct
16 Dec - 21 Dec	Thai Airways	direct
05 Dec - 22 Dec	China Southern
05 Dec - 21 Dec	China Southern
05 Dec - 22 Dec	Thai Airways	direct
05 Dec - 21 Dec	Thai Airways	direct
08 Dec - 10 Dec	AirAsia
01 Dec - 10 Dec	AirAsia
08 Dec - 12 Dec	AirAsia
01 Dec - 12 Dec	AirAsia
19 Dec - 01 Jan	AirAsia
24 Dec - 01 Jan	AirAsia
28 Dec - 01 Jan	AirAsia
21 Dec - 01 Jan	AirAsia

Also check the deals for one-way flights from Bangkok 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 Bangkok to Dhaka in December from 309€

Return flights