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

Return flights

31 Dec - 14 Jan	Lufthansa
09 Dec - 17 Dec	Austrian Airlines
10 Dec - 17 Dec	SWISS
09 Dec - 16 Dec	SWISS
10 Dec - 16 Dec	SWISS
29 Dec - 29 Jan	Delta
29 Dec - 12 Jan	Air France
30 Dec - 12 Jan	Air France
10 Dec - 13 Jan	SWISS
30 Dec - 14 Jan	Air France
30 Dec - 15 Jan	Air France
30 Dec - 22 Jan	Air France
29 Dec - 15 Jan	Air France
30 Dec - 21 Jan	Delta
11 Dec - 24 Dec	Air France	direct
11 Dec - 18 Dec	SWISS
10 Dec - 14 Dec	SWISS
08 Dec - 24 Dec	Air France	direct
08 Dec - 23 Dec	Delta	direct
08 Dec - 16 Dec	SWISS

Also check the deals for one-way flights from New York to Athens in December.

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 December from 306€

Return flights