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

Return flights

09 Sep - 13 Sep	IndiGo
16 Sep - 23 Sep	Biman Bangladesh Airlines	direct
09 Sep - 13 Sep	Biman Bangladesh Airlines	direct
01 Sep - 05 Sep	IndiGo
26 Sep - 03 Oct	Thai Airways	direct
01 Sep - 05 Sep	Thai Airways	direct
22 Sep - 12 Oct	Thai AirAsia
22 Sep - 06 Oct	Thai AirAsia
22 Sep - 05 Oct	Thai AirAsia
22 Sep - 26 Sep	Thai AirAsia
26 Sep - 12 Oct	AirAsia
26 Sep - 06 Oct	AirAsia
26 Sep - 05 Oct	AirAsia
26 Sep - 13 Oct	AirAsia
22 Sep - 01 Oct	Thai AirAsia
11 Sep - 21 Sep	AirAsia
10 Sep - 21 Sep	AirAsia
03 Sep - 21 Sep	AirAsia
12 Sep - 21 Sep	AirAsia
26 Sep - 01 Oct	AirAsia

Also check the deals for one-way flights from Bangkok to Dhaka in September.

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 September from $353

Return flights