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

Return flights

02 Sep - 16 Oct	Scandinavian Airlines
01 Sep - 30 Sep	Aegean Airlines
22 Sep - 30 Sep	Aegean Airlines
08 Sep - 30 Sep	Aegean Airlines
18 Sep - 30 Sep	Turkish Airlines
12 Sep - 30 Sep	Turkish Airlines
05 Sep - 30 Sep	Turkish Airlines
22 Sep - 28 Sep	Aegean Airlines
08 Sep - 29 Sep	Aegean Airlines
09 Sep - 30 Sep	Air India
18 Sep - 23 Sep	Air India
16 Sep - 12 Oct	Air India
15 Sep - 20 Oct	Air India
10 Sep - 05 Oct	Air India
22 Sep - 01 Oct	Air India
16 Sep - 15 Oct	Air India
15 Sep - 06 Oct	Air India
15 Sep - 01 Oct	Air India
16 Sep - 01 Oct	Air India
22 Sep - 19 Oct	Air India

Also check the deals for one-way flights from London 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 London to Dhaka in September from 505€

Return flights