AirHint found the following cheapest return flights from Istanbul (SAW) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

15 Sep - 29 Sep	KLM
15 Sep - 21 Sep	KLM
15 Sep - 20 Sep	KLM
15 Sep - 30 Sep	KLM
23 Sep - 30 Sep	KLM
24 Sep - 05 Oct	KLM
22 Sep - 26 Sep	KLM
18 Sep - 25 Sep	KLM
30 Sep - 11 Oct	AJet
26 Sep - 29 Sep	KLM
25 Sep - 17 Oct	KLM
19 Sep - 26 Sep	Pegasus Airlines
16 Sep - 19 Sep	KLM
25 Sep - 19 Oct	KLM
30 Sep - 31 Oct	KLM
29 Sep - 03 Oct	Pegasus Airlines
29 Sep - 09 Oct	KLM
27 Sep - 04 Oct	Pegasus Airlines

Also check the deals for one-way flights from Istanbul to Buenos Aires 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 Buenos Aires in September from 890€

Return flights