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

Return flights

02 Sep - 30 Sep	Qatar Airways
08 Sep - 15 Sep	Qatar Airways
25 Sep - 03 Oct	Qatar Airways
07 Sep - 21 Sep	Qatar Airways
05 Sep - 11 Sep	Qatar Airways
19 Sep - 26 Sep	Qatar Airways
20 Sep - 27 Sep	KLM
07 Sep - 15 Sep	KLM
09 Sep - 16 Sep	KLM
16 Sep - 26 Sep	KLM
15 Sep - 29 Sep	Etihad Airways
17 Sep - 08 Oct	Etihad Airways
20 Sep - 04 Oct	Etihad Airways
29 Sep - 03 Oct	Qatar Airways
27 Sep - 07 Oct	KLM
28 Sep - 03 Oct	Qatar Airways
17 Sep - 08 Oct	Turkish Airlines	direct
29 Sep - 03 Oct	Turkish Airlines	direct
28 Sep - 03 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Johannesburg 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 Johannesburg to Istanbul in September from 448€

Return flights