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

Return flights

23 Sep - 17 Oct	Turkish Airlines
08 Sep - 05 Oct	Turkish Airlines
23 Sep - 07 Oct	Turkish Airlines
16 Sep - 14 Oct	Turkish Airlines
18 Sep - 17 Oct	Turkish Airlines
16 Sep - 15 Oct	Transavia France
13 Sep - 20 Sep	Turkish Airlines
12 Sep - 12 Oct	easyJet
18 Sep - 15 Oct	Transavia France
22 Sep - 26 Sep	Ryanair
11 Sep - 24 Sep	British Airways
12 Sep - 22 Sep	easyJet
17 Sep - 30 Sep	British Airways
11 Sep - 18 Sep	easyJet
20 Sep - 26 Sep	easyJet
26 Sep - 04 Oct	easyJet
08 Sep - 11 Sep	easyJet
09 Sep - 01 Oct	SWISS

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 855€

Return flights