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

Return flights

05 Sep - 29 Oct	LATAM Airlines Group
11 Sep - 11 Oct	LATAM Airlines Group
08 Sep - 24 Sep	Avianca
09 Sep - 23 Sep	Avianca
17 Sep - 14 Oct	Avianca
15 Sep - 15 Oct	Avianca
24 Sep - 30 Oct	Avianca
18 Sep - 20 Oct	Avianca
01 Sep - 30 Sep	Avianca
08 Sep - 23 Sep	Vueling Airlines
07 Sep - 17 Sep	Transavia France
08 Sep - 17 Sep	Vueling Airlines
01 Sep - 12 Sep	TAP
08 Sep - 13 Oct	LATAM Airlines Group
01 Sep - 23 Sep	Avianca
03 Sep - 16 Sep	TAP
17 Sep - 26 Sep	Avianca
01 Sep - 06 Oct	Avianca
27 Sep - 18 Oct	Avianca
27 Sep - 04 Oct	Avianca

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 $976

Return flights