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

Return flights

21 Aug - 21 Sep	Delta
28 Aug - 24 Sep	Delta
26 Aug - 24 Sep	Delta
21 Aug - 06 Sep	Delta
20 Aug - 21 Sep	Delta
29 Aug - 21 Sep	Delta
25 Aug - 20 Sep	Delta
26 Aug - 05 Sep	Delta
16 Aug - 06 Sep	Delta
28 Aug - 25 Sep	Delta
21 Aug - 31 Aug	Delta
25 Aug - 31 Aug	Delta
20 Aug - 31 Aug	Delta
23 Aug - 31 Aug	Delta
26 Aug - 31 Aug	Delta
19 Aug - 31 Aug	Delta
22 Aug - 31 Aug	Delta
24 Aug - 31 Aug	Delta
17 Aug - 31 Aug	Delta
17 Aug - 18 Aug	Delta

Also check the deals for one-way flights from Madrid 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 Madrid to Buenos Aires in August from $861

Return flights