AirHint found the following cheapest return flights from Nashville (BNA) to Athens (ATH) in September 2025 (see full year).

Return flights

22 Sep - 26 Sep	Spirit Airlines
10 Sep - 22 Sep	jetBlue
02 Sep - 09 Sep	United
24 Sep - 01 Oct	United
16 Sep - 23 Sep	United
18 Sep - 25 Sep	United
08 Sep - 15 Sep	United
04 Sep - 11 Sep	United
14 Sep - 21 Sep	United
10 Sep - 17 Sep	United
26 Sep - 03 Oct	United
12 Sep - 19 Sep	United
28 Sep - 05 Oct	United

Also check the deals for one-way flights from Nashville 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 Nashville to Athens in September from $534

Return flights