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

Return flights

29 Aug - 05 Sep	Biman Bangladesh Airlines	direct
31 Aug - 03 Sep	Biman Bangladesh Airlines	direct
30 Aug - 02 Sep	IndiGo
30 Aug - 05 Sep	IndiGo
29 Aug - 31 Aug	Biman Bangladesh Airlines	direct
30 Aug - 14 Sep	Biman Bangladesh Airlines	direct
29 Aug - 30 Aug	IndiGo
30 Aug - 02 Sep	Biman Bangladesh Airlines	direct
30 Aug - 05 Sep	Biman Bangladesh Airlines	direct
29 Aug - 13 Sep	Air India
30 Aug - 13 Sep	Air India
29 Aug - 14 Sep	Air India

Also check the deals for one-way flights from Dhaka to Kathmandu 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 Dhaka to Kathmandu in August from $317

Return flights