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

Return flights

13 Sep - 20 Sep	AJet
08 Sep - 16 Sep	Pegasus Airlines
08 Sep - 22 Sep	Pegasus Airlines
04 Sep - 16 Sep	flyadeal
14 Sep - 21 Sep	Pegasus Airlines
14 Sep - 14 Oct	Pegasus Airlines
15 Sep - 20 Sep	Pegasus Airlines
18 Sep - 18 Oct	Pegasus Airlines
06 Sep - 26 Sep	AJet
11 Sep - 17 Sep	IndiGo
13 Sep - 01 Oct	AJet
04 Sep - 10 Sep	flyadeal
01 Sep - 11 Oct	Etihad Airways
19 Sep - 26 Sep	Pegasus Airlines
19 Sep - 02 Oct	Pegasus Airlines
17 Sep - 01 Oct	Pegasus Airlines
02 Sep - 01 Oct	Qatar Airways
01 Sep - 29 Oct	IndiGo
28 Sep - 06 Oct	Etihad Airways
29 Sep - 17 Oct	IndiGo

Also check the deals for one-way flights from Istanbul to Jakarta 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 Jakarta in September from 441€

Return flights