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

Return flights

22 Sep - 07 Oct	Air Canada
24 Sep - 09 Oct	Air Canada
22 Sep - 14 Oct	Lufthansa
22 Sep - 21 Oct	Lufthansa
26 Sep - 10 Oct	Norse Atlantic Airways	direct
24 Sep - 30 Sep	Austrian Airlines
24 Sep - 03 Oct	United
22 Sep - 22 Oct	United
29 Sep - 21 Oct	SWISS
26 Sep - 07 Oct	Lufthansa
29 Sep - 16 Oct	Austrian Airlines
15 Sep - 23 Sep	Air France	direct
15 Sep - 24 Sep	Air France	direct
16 Sep - 25 Sep	Air France	direct
16 Sep - 23 Sep	Air France	direct
16 Sep - 24 Sep	Air France	direct
25 Sep - 30 Sep	Austrian Airlines
20 Sep - 30 Sep	United
17 Sep - 25 Sep	Delta
17 Sep - 23 Sep	Delta

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 352€

Return flights