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

Return flights

13 Aug - 19 Aug	Ethiopian Airlines
29 Aug - 04 Sep	Ethiopian Airlines
25 Aug - 07 Sep	Ethiopian Airlines
07 Aug - 14 Aug	Iberia
04 Aug - 27 Aug	Air France
25 Aug - 11 Sep	Ethiopian Airlines
15 Aug - 26 Aug	Ethiopian Airlines
29 Aug - 07 Sep	Ethiopian Airlines
06 Aug - 13 Aug	British Airways
07 Aug - 22 Aug	Iberia
05 Aug - 21 Aug	Iberia
05 Aug - 12 Aug	Iberia
12 Aug - 07 Sep	KLM
11 Aug - 01 Sep	Air France
09 Aug - 22 Aug	Air France
11 Aug - 22 Aug	British Airways
21 Aug - 01 Sep	Turkish Airlines
23 Aug - 03 Sep	Turkish Airlines
03 Aug - 25 Sep	Air France
17 Aug - 12 Sep	KLM

Also check the deals for one-way flights from Sao Paulo to Athens 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 Sao Paulo to Athens in August from 699€

Return flights