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

Return flights

06 Sep - 23 Sep	Ethiopian Airlines
16 Sep - 23 Sep	Ethiopian Airlines
16 Sep - 05 Oct	Ethiopian Airlines
11 Sep - 23 Sep	Ethiopian Airlines
02 Sep - 08 Sep	Copa
29 Sep - 14 Oct	Avianca
06 Sep - 19 Sep	Ethiopian Airlines
07 Sep - 23 Sep	Ethiopian Airlines
25 Sep - 27 Sep	Avianca
29 Sep - 05 Oct	Avianca
25 Sep - 09 Oct	Avianca
27 Sep - 09 Oct	Ethiopian Airlines
14 Sep - 27 Sep	Ethiopian Airlines
16 Sep - 08 Oct	Avianca
10 Sep - 04 Oct	Avianca
09 Sep - 30 Sep	Copa
02 Sep - 16 Sep	Aeromexico
20 Sep - 05 Oct	Emirates
03 Sep - 02 Oct	Copa
24 Sep - 01 Oct	Turkish Airlines

Also check the deals for one-way flights from Buenos Aires 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 Buenos Aires to Istanbul in September from $1271

Return flights