AirHint found the following cheapest return flights from Athens (ATH) to Rio De Janeiro (GIG) in September 2025 (see full year).

Return flights

11 Sep - 24 Sep	ITA Airways
11 Sep - 18 Sep	ITA Airways
10 Sep - 22 Sep	KLM
18 Sep - 27 Oct	ITA Airways
11 Sep - 20 Sep	Air France
11 Sep - 19 Sep	Air France
12 Sep - 18 Sep	Air France
10 Sep - 15 Sep	ITA Airways
24 Sep - 29 Sep	ITA Airways
10 Sep - 17 Sep	ITA Airways
24 Sep - 29 Oct	ITA Airways
30 Sep - 07 Oct	Air France
12 Sep - 26 Sep	Air France
24 Sep - 01 Oct	ITA Airways
29 Sep - 14 Oct	ITA Airways
24 Sep - 03 Oct	Iberia
15 Sep - 10 Oct	Air France

Also check the deals for one-way flights from Athens to Rio De Janeiro in September.

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 Rio De Janeiro in September from 662€

Return flights