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

Return flights

28 Aug - 27 Sep	Avianca
30 Aug - 17 Sep	Avianca
21 Aug - 15 Sep	Avianca
29 Aug - 08 Sep	Avianca
31 Aug - 16 Sep	Avianca
27 Aug - 30 Sep	LATAM Airlines Group
29 Aug - 14 Sep	Avianca
22 Aug - 29 Aug	Avianca
21 Aug - 28 Aug	Avianca
20 Aug - 24 Aug	Avianca
23 Aug - 30 Aug	Avianca
23 Aug - 29 Aug	Avianca
20 Aug - 31 Aug	Avianca
25 Aug - 30 Aug	Avianca
20 Aug - 30 Aug	Avianca
23 Aug - 13 Sep	Avianca
23 Aug - 05 Sep	Avianca
29 Aug - 06 Sep	Avianca
19 Aug - 22 Aug	Avianca
15 Aug - 31 Aug	Ryanair

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 807€

Return flights