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

Return flights

24 Sep - 30 Sep	Lufthansa
10 Sep - 18 Sep	SWISS
24 Sep - 03 Oct	Austrian Airlines
27 Sep - 08 Oct	Lufthansa
15 Sep - 22 Sep	Lufthansa
30 Sep - 15 Oct	SWISS
25 Sep - 07 Oct	Austrian Airlines
26 Sep - 14 Oct	SWISS
26 Sep - 10 Oct	SWISS
16 Sep - 30 Sep	SWISS
13 Sep - 25 Sep	Lufthansa
10 Sep - 17 Sep	SWISS
22 Sep - 05 Oct	Austrian Airlines
29 Sep - 16 Oct	Lufthansa
14 Sep - 24 Sep	Lufthansa
22 Sep - 08 Oct	Brussels Airlines
22 Sep - 25 Sep	Norse Atlantic Airways	direct
08 Sep - 25 Sep	Norse Atlantic Airways	direct
13 Sep - 25 Sep	Norse Atlantic Airways	direct
28 Sep - 22 Oct	Iberia

Also check the deals for one-way flights from New York 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 New York to Athens in September from 359€

Return flights