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

Return flights

15 Sep - 20 Sep	IndiGo
11 Sep - 28 Sep	IndiGo
01 Sep - 05 Sep	IndiGo
19 Sep - 24 Sep	Air Arabia
19 Sep - 27 Sep	Air Arabia
27 Sep - 05 Oct	Air Arabia
14 Sep - 30 Sep	Air Arabia
24 Sep - 04 Oct	Air Arabia
22 Sep - 15 Oct	Air Arabia
22 Sep - 13 Oct	Air Arabia
28 Sep - 21 Oct	Air Arabia
26 Sep - 09 Oct	Air Arabia
30 Sep - 11 Oct	Air Arabia
28 Sep - 04 Oct	Air Arabia
25 Sep - 04 Oct	Air Arabia
25 Sep - 02 Oct	Air Arabia
12 Sep - 30 Sep	Air Arabia
11 Sep - 20 Sep	Air Arabia
03 Sep - 10 Sep	IndiGo
05 Sep - 06 Sep	Air Arabia

Also check the deals for one-way flights from Dhaka to Istanbul 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 Dhaka to Istanbul in September from $532

Return flights