AirHint found the following cheapest return flights from Raleigh-durham (RDU) to Athens (ATH) in September 2025 (see full year).

Return flights

16 Sep - 30 Sep	Frontier Airlines
16 Sep - 22 Sep	Frontier Airlines
02 Sep - 09 Sep	United
13 Sep - 22 Sep	jetBlue
20 Sep - 04 Oct	Breeze Airways
23 Sep - 30 Sep	United
11 Sep - 18 Sep	United
14 Sep - 21 Sep	United
08 Sep - 15 Sep	United
17 Sep - 24 Sep	United
05 Sep - 12 Sep	United
29 Sep - 06 Oct	United
26 Sep - 03 Oct	United

Also check the deals for one-way flights from Raleigh-durham 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 Raleigh-durham to Athens in September from $521

Return flights