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

Return flights

10 Sep - 24 Sep	Avianca
07 Sep - 21 Sep	Avianca
03 Sep - 25 Sep	Avianca
18 Sep - 24 Sep	Avianca
17 Sep - 29 Sep	Avianca
10 Sep - 17 Sep	Avianca
11 Sep - 18 Sep	Avianca
09 Sep - 23 Sep	Avianca
09 Sep - 16 Sep	Avianca
07 Sep - 28 Sep	Avianca
08 Sep - 02 Oct	Avianca
10 Sep - 08 Oct	Avianca
09 Sep - 08 Oct	Avianca
08 Sep - 08 Oct	Avianca
16 Sep - 03 Oct	Avianca
16 Sep - 04 Oct	Avianca
17 Sep - 04 Oct	Avianca
15 Sep - 16 Oct	Avianca
19 Sep - 17 Oct	Avianca
27 Sep - 17 Oct	Transavia France

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Paris to Buenos Aires in September from 807€

Return flights