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

Return flights

08 Oct - 15 Oct	Ethiopian Airlines
08 Oct - 27 Oct	Ethiopian Airlines
31 Oct - 16 Nov	Iberia
24 Oct - 23 Nov	British Airways
06 Oct - 16 Oct	Air China
29 Oct - 14 Nov	SWISS
06 Oct - 15 Oct	Air China
17 Oct - 22 Nov	Air France
21 Oct - 05 Nov	ITA Airways
14 Oct - 22 Oct	Air China
18 Oct - 24 Oct	TAP
08 Oct - 30 Oct	Ethiopian Airlines
08 Oct - 28 Oct	Ethiopian Airlines
26 Oct - 02 Nov	LATAM Airlines Group
21 Oct - 28 Oct	GOL Linhas Aéreas
03 Oct - 11 Oct	Air China
29 Oct - 06 Nov	Iberia
12 Oct - 02 Nov	TAAG Angola Airlines
23 Oct - 03 Nov	TAP
19 Oct - 03 Nov	Iberia

Also check the deals for one-way flights from Sao Paulo to Athens in October.

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 October from 653€

Return flights