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

Return flights

04 Sep - 07 Sep	AirAsia
04 Sep - 07 Sep	Thai Airways	direct
03 Sep - 07 Sep	Thai Airways	direct
21 Sep - 24 Sep	Thai Airways	direct
21 Sep - 24 Sep	IndiGo
09 Sep - 17 Sep	China Southern
02 Sep - 25 Sep	IndiGo
02 Sep - 25 Sep	Biman Bangladesh Airlines	direct
09 Sep - 17 Sep	Thai Airways	direct
11 Sep - 26 Sep	AirAsia
24 Sep - 10 Oct	AirAsia
11 Sep - 01 Oct	AirAsia
24 Sep - 01 Oct	AirAsia
24 Sep - 08 Oct	AirAsia
24 Sep - 03 Oct	AirAsia
12 Sep - 01 Oct	AirAsia
24 Sep - 09 Oct	AirAsia
15 Sep - 01 Oct	AirAsia
15 Sep - 03 Oct	AirAsia
21 Sep - 10 Oct	Thai 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 314€

Return flights