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

Return flights

26 Sep - 06 Oct	Transavia France
12 Sep - 31 Oct	Azul Airlines
23 Sep - 07 Oct	Azul Airlines
23 Sep - 14 Oct	TAP
26 Sep - 04 Oct	Transavia France
23 Sep - 16 Oct	Azul Airlines
06 Sep - 13 Sep	Transavia France
12 Sep - 19 Sep	Azul Airlines
01 Sep - 07 Sep	Azul Airlines
12 Sep - 27 Sep	Azul Airlines
19 Sep - 21 Sep	TAP
23 Sep - 30 Sep	Azul Airlines
29 Sep - 30 Oct	TAP
07 Sep - 10 Sep	Iberia
02 Sep - 06 Sep	Azul Airlines
12 Sep - 23 Sep	Azul Airlines
17 Sep - 24 Sep	Azul Airlines
30 Sep - 27 Oct	TAP
22 Sep - 05 Oct	Vueling Airlines
09 Sep - 03 Oct	Vueling 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 941€

Return flights