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

Return flights

11 Aug - 17 Aug	Ethiopian Airlines
26 Aug - 09 Sep	TAP
25 Aug - 11 Sep	TAP
10 Aug - 25 Aug	Air Europa
08 Aug - 07 Sep	Air Europa
10 Aug - 21 Aug	SWISS
24 Aug - 03 Sep	TAP
11 Aug - 21 Aug	SWISS
19 Aug - 04 Sep	TAP
26 Aug - 08 Sep	TAP
25 Aug - 08 Sep	TAP
20 Aug - 27 Aug	Iberia
28 Aug - 08 Sep	TAP
24 Aug - 08 Sep	TAP
17 Aug - 23 Aug	Air Europa
25 Aug - 06 Sep	TAP
13 Aug - 26 Aug	Qatar Airways
10 Aug - 20 Aug	Air Europa
10 Aug - 30 Aug	Air Europa
05 Aug - 20 Aug	Air Europa

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 687€

Return flights