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

Return flights

22 Aug - 13 Sep	LATAM Airlines Group
23 Aug - 13 Sep	LATAM Airlines Group
21 Aug - 28 Aug	SWISS
19 Aug - 26 Aug	LATAM Airlines Group
21 Aug - 12 Sep	SWISS
24 Aug - 14 Sep	SWISS
25 Aug - 13 Sep	SWISS
24 Aug - 13 Sep	Lufthansa
22 Aug - 12 Sep	LATAM Airlines Group
12 Aug - 21 Aug	SWISS
16 Aug - 30 Aug	LATAM Airlines Group
17 Aug - 30 Aug	Lufthansa
15 Aug - 30 Aug	Lufthansa
07 Aug - 14 Aug	SWISS
09 Aug - 18 Aug	SWISS
10 Aug - 10 Sep	SWISS
06 Aug - 25 Aug	SWISS

Also check the deals for one-way flights from Athens 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 Athens to Buenos Aires in August from $1427

Return flights