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

Return flights

20 Sep - 27 Sep	Air India
29 Sep - 13 Oct	SalamAir
30 Sep - 02 Oct	SalamAir
24 Sep - 06 Oct	Air India Express
19 Sep - 26 Sep	Air India
23 Sep - 27 Sep	Etihad Airways
30 Sep - 07 Oct	Etihad Airways
28 Sep - 05 Oct	Etihad Airways
22 Sep - 28 Sep	Etihad Airways
26 Sep - 30 Sep	Etihad Airways
30 Sep - 05 Oct	Etihad Airways
27 Sep - 05 Oct	Etihad Airways
24 Sep - 27 Sep	Etihad Airways
26 Sep - 29 Sep	Etihad Airways
28 Sep - 04 Oct	Gulf Air
20 Sep - 24 Sep	Akasa Air
27 Sep - 04 Oct	Gulf Air
19 Sep - 23 Sep	Air Arabia
26 Sep - 04 Oct	Air India Express
19 Sep - 20 Sep	Air Arabia

Also check the deals for one-way flights from Bangalore 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 Bangalore to Istanbul in September from 232€

Return flights