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

Return flights

26 Sep - 09 Oct	Air France
06 Sep - 18 Sep	Copa
02 Sep - 16 Sep	LATAM Airlines Group
12 Sep - 22 Sep	British Airways
29 Sep - 15 Oct	British Airways
12 Sep - 17 Sep	Copa
22 Sep - 30 Sep	Lufthansa
13 Sep - 21 Sep	Copa
16 Sep - 25 Sep	British Airways
12 Sep - 19 Sep	British Airways
13 Sep - 23 Sep	Lufthansa
16 Sep - 09 Oct	KLM
19 Sep - 30 Sep	Air France

Also check the deals for one-way flights from Rio De Janeiro to Athens 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 Rio De Janeiro to Athens in September from $1029

Return flights