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

Return flights

23 Sep - 08 Oct	Ethiopian Airlines
26 Sep - 10 Oct	Turkish Airlines
12 Sep - 26 Sep	Turkish Airlines
18 Sep - 03 Oct	Turkish Airlines
10 Sep - 02 Oct	Turkish Airlines
13 Sep - 03 Oct	Turkish Airlines
15 Sep - 05 Oct	Turkish Airlines
19 Sep - 06 Oct	Turkish Airlines
25 Sep - 15 Oct	Turkish Airlines
24 Sep - 07 Oct	Turkish Airlines
07 Sep - 25 Sep	Turkish Airlines
19 Sep - 11 Oct	Turkish Airlines
17 Sep - 24 Sep	Turkish Airlines
02 Sep - 30 Sep	Turkish Airlines
11 Sep - 27 Sep	Lufthansa

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 $1514

Return flights