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

Return flights

21 Aug - 04 Sep	LATAM Airlines Group
21 Aug - 19 Sep	LATAM Airlines Group
21 Aug - 31 Aug	LATAM Airlines Group
25 Aug - 28 Aug	LATAM Airlines Group
11 Aug - 18 Aug	Austrian Airlines
30 Aug - 19 Sep	LATAM Airlines Group
11 Aug - 31 Aug	Austrian Airlines
02 Aug - 15 Aug	Iberia
01 Aug - 17 Aug	LATAM Airlines Group

Also check the deals for one-way flights from Vienna 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 Vienna to Buenos Aires in August from $1092

Return flights