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

Return flights

23 Sep - 13 Oct	Pegasus Airlines
24 Sep - 28 Oct	flyadeal
25 Sep - 15 Oct	Pegasus Airlines
23 Sep - 27 Oct	Pegasus Airlines
25 Sep - 01 Oct	flyadeal
22 Sep - 29 Sep	Air Arabia
23 Sep - 30 Sep	Air Arabia Abu Dhabi
22 Sep - 25 Sep	IndiGo
28 Sep - 10 Oct	IndiGo
20 Sep - 23 Oct	Pegasus Airlines
27 Sep - 30 Sep	Pegasus Airlines
21 Sep - 15 Oct	IndiGo
28 Sep - 25 Oct	IndiGo
26 Sep - 01 Oct	Pegasus Airlines
23 Sep - 26 Sep	Pegasus Airlines
26 Sep - 30 Sep	IndiGo
26 Sep - 28 Sep	IndiGo
21 Sep - 29 Sep	IndiGo
21 Sep - 30 Sep	IndiGo
23 Sep - 29 Sep	IndiGo

Also check the deals for one-way flights from Istanbul to Denpasar 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 Istanbul to Denpasar in September from 444€

Return flights