AirHint found the following cheapest return flights from Barcelona (BCN) to Buenos Aires (EZE) in August 2025 (see full year).

Return flights

27 Aug - 24 Sep	Air France
28 Aug - 23 Sep	KLM
30 Aug - 29 Sep	KLM
30 Aug - 30 Sep	KLM
31 Aug - 15 Sep	Delta
26 Aug - 08 Sep	Delta
26 Aug - 07 Sep	Delta
25 Aug - 08 Sep	Delta
31 Aug - 27 Sep	Delta
27 Aug - 23 Sep	Delta
24 Aug - 30 Aug	Delta
30 Aug - 31 Aug	Delta
24 Aug - 26 Aug	Delta
27 Aug - 31 Aug	Delta
26 Aug - 31 Aug	Delta
27 Aug - 30 Aug	Delta
24 Aug - 29 Aug	Delta
24 Aug - 31 Aug	Delta
28 Aug - 31 Aug	Delta
25 Aug - 28 Aug	Delta

Also check the deals for one-way flights from Barcelona 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 Barcelona to Buenos Aires in August from $806

Return flights