AirHint found the following cheapest return flights from Berlin (BER) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

12 Sep - 12 Oct	Turkish Airlines
08 Sep - 05 Oct	Turkish Airlines
22 Sep - 20 Oct	Turkish Airlines
16 Sep - 14 Oct	Turkish Airlines
15 Sep - 14 Oct	Turkish Airlines
20 Sep - 06 Oct	Turkish Airlines
27 Sep - 11 Oct	Turkish Airlines
23 Sep - 17 Oct	Turkish Airlines
13 Sep - 11 Oct	Turkish Airlines
06 Sep - 11 Oct	Turkish Airlines
15 Sep - 30 Sep	Turkish Airlines
06 Sep - 22 Sep	Turkish Airlines
14 Sep - 28 Sep	Turkish Airlines
25 Sep - 28 Sep	easyJet
16 Sep - 29 Sep	Transavia France
22 Sep - 27 Sep	Vueling Airlines
17 Sep - 30 Sep	easyJet
25 Sep - 29 Sep	Transavia France
11 Sep - 29 Sep	easyJet
09 Sep - 27 Sep	Turkish Airlines

Also check the deals for one-way flights from Berlin 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 Berlin to Buenos Aires in September from $926

Return flights