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

Return flights

22 Sep - 28 Sep	Delta
01 Sep - 14 Sep	Delta
02 Sep - 13 Sep	Delta
09 Sep - 18 Sep	Delta
02 Sep - 16 Sep	Delta
02 Sep - 14 Sep	Delta
01 Sep - 16 Sep	Delta
12 Sep - 28 Sep	Delta
09 Sep - 25 Sep	Delta
03 Sep - 16 Sep	Delta
03 Sep - 02 Oct	Delta
18 Sep - 04 Oct	Delta
07 Sep - 07 Oct	Delta
15 Sep - 06 Oct	Delta
18 Sep - 09 Oct	Delta
17 Sep - 16 Oct	Delta
25 Sep - 01 Oct	Delta
25 Sep - 15 Oct	Delta
01 Sep - 12 Oct	LATAM Airlines Group
23 Sep - 15 Oct	SWISS

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 815€

Return flights