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

Return flights

20 Aug - 28 Sep	Turkish Airlines
22 Aug - 24 Aug	Turkish Airlines
12 Aug - 17 Aug	Turkish Airlines
20 Aug - 27 Aug	Turkish Airlines
22 Aug - 23 Aug	Turkish Airlines
25 Aug - 09 Sep	Turkish Airlines
18 Aug - 10 Sep	Delta
17 Aug - 30 Aug	Turkish Airlines
18 Aug - 11 Sep	Turkish Airlines
05 Aug - 08 Aug	Turkish Airlines
10 Aug - 17 Aug	Volotea
05 Aug - 16 Aug	Turkish Airlines
10 Aug - 24 Aug	ITA Airways
22 Aug - 22 Aug	ITA Airways
16 Aug - 06 Sep	Turkish Airlines

Also check the deals for one-way flights from Athens 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 Athens to Sao Paulo in August from 594€

Return flights