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
31 Oct - 13 Nov	British Airways
16 Oct - 21 Oct	TAP
14 Oct - 22 Oct	TAP
16 Oct - 30 Oct	TAP
13 Oct - 27 Oct	TAP
24 Oct - 31 Oct	TAP
21 Oct - 30 Oct	TAP
06 Oct - 31 Oct	TAP
01 Oct - 14 Oct	TAP
07 Oct - 14 Oct	TAP
30 Oct - 08 Nov	Iberia
29 Oct - 08 Nov	Iberia
25 Oct - 15 Nov	Air France
21 Oct - 05 Nov	ITA Airways
17 Oct - 22 Nov	Iberia
23 Oct - 03 Nov	Air Canada
24 Oct - 03 Nov	Lufthansa
26 Oct - 08 Nov	Iberia
24 Oct - 15 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 $816

Return flights