AirHint found the following cheapest return flights from Madrid (MAD) to Sao Paulo (GRU) in August 2025 (see full year).

Return flights

21 Aug - 25 Aug	TAP
28 Aug - 14 Sep	Delta
31 Aug - 24 Sep	TAP
19 Aug - 24 Sep	TAP
27 Aug - 12 Sep	Delta
28 Aug - 12 Sep	Delta
28 Aug - 10 Sep	Delta
18 Aug - 24 Aug	TAP
20 Aug - 24 Aug	TAP
18 Aug - 26 Aug	TAP
18 Aug - 25 Aug	TAP
20 Aug - 26 Aug	TAP
19 Aug - 26 Aug	TAP
21 Aug - 14 Sep	Delta
28 Aug - 04 Sep	Delta
26 Aug - 02 Sep	Delta
21 Aug - 05 Sep	Delta
20 Aug - 30 Aug	Delta
23 Aug - 30 Aug	Delta
17 Aug - 26 Aug	TAP

Also check the deals for one-way flights from Madrid to Sao Paulo 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 Sao Paulo in August from 599€

Return flights