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

Return flights

19 Sep - 03 Oct	Spirit Airlines
30 Sep - 09 Oct	Frontier Airlines
08 Sep - 15 Sep	Lufthansa
09 Sep - 16 Sep	United
14 Sep - 22 Sep	Frontier Airlines
20 Sep - 04 Oct	Frontier Airlines
03 Sep - 10 Sep	United
05 Sep - 14 Sep	Frontier Airlines
01 Sep - 08 Sep	United
15 Sep - 22 Sep	United
13 Sep - 20 Sep	United
11 Sep - 18 Sep	United
17 Sep - 24 Sep	United
30 Sep - 07 Oct	United
27 Sep - 04 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 481€

Return flights