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

Return flights

04 Sep - 19 Sep	Delta
09 Sep - 24 Sep	Delta
08 Sep - 21 Sep	Delta
05 Sep - 19 Sep	Delta
10 Sep - 24 Sep	Delta
08 Sep - 19 Sep	Delta
04 Sep - 20 Sep	Delta
06 Sep - 19 Sep	Delta
06 Sep - 16 Sep	Delta
03 Sep - 17 Sep	Delta
03 Sep - 02 Oct	Air Canada
18 Sep - 15 Oct	Avianca
22 Sep - 10 Oct	Avianca
23 Sep - 14 Oct	Avianca
20 Sep - 10 Oct	Avianca
30 Sep - 13 Oct	Air Canada
19 Sep - 06 Oct	Air Canada
10 Sep - 25 Oct	Delta
03 Sep - 03 Oct	Avianca
25 Sep - 12 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.

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Cheapest return flights from Paris to Buenos Aires in September from $943

Return flights