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

Return flights

31 Aug - 19 Sep	Avianca
28 Aug - 18 Sep	Avianca
29 Aug - 21 Sep	Avianca
25 Aug - 08 Sep	Avianca
27 Aug - 08 Sep	Avianca
31 Aug - 16 Sep	Avianca
29 Aug - 05 Sep	Avianca
31 Aug - 14 Sep	Avianca
31 Aug - 07 Sep	Avianca
25 Aug - 05 Sep	Avianca
29 Aug - 31 Aug	Avianca
27 Aug - 28 Aug	Avianca

Also check the deals for one-way flights from Paris to Buenos Aires in August.

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 August from 882€

Return flights