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

Return flights

23 Sep - 23 Oct	Transavia France
05 Sep - 06 Oct	Azul Airlines
23 Sep - 07 Oct	Transavia France
23 Sep - 09 Oct	Transavia France
12 Sep - 27 Sep	Azul Airlines
23 Sep - 14 Oct	Transavia France
25 Sep - 12 Oct	Azul Airlines
25 Sep - 09 Oct	Azul Airlines
09 Sep - 20 Sep	Azul Airlines
05 Sep - 18 Sep	Azul Airlines
05 Sep - 07 Sep	Azul Airlines
09 Sep - 16 Sep	Azul Airlines
16 Sep - 01 Oct	Azul Airlines
11 Sep - 02 Oct	Azul Airlines
08 Sep - 16 Sep	Azul Airlines
08 Sep - 17 Sep	Azul Airlines
11 Sep - 18 Sep	Azul Airlines
11 Sep - 24 Sep	Azul Airlines
07 Sep - 23 Sep	Azul Airlines
25 Sep - 01 Oct	Azul Airlines

Also check the deals for one-way flights from Paris 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 Paris to Buenos Aires in September from $933

Return flights