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

Return flights

01 Dec - 10 Dec	SWISS
02 Dec - 16 Dec	Austrian Airlines
09 Dec - 16 Dec	SWISS
08 Dec - 15 Dec	SWISS
03 Dec - 16 Dec	SWISS
01 Dec - 18 Dec	SWISS
01 Dec - 08 Dec	SWISS
02 Dec - 09 Dec	SWISS
03 Dec - 10 Dec	SWISS
03 Dec - 15 Dec	SWISS
08 Dec - 11 Jan	Scandinavian Airlines
30 Dec - 09 Jan	British Airways
31 Dec - 24 Jan	Scandinavian Airlines
13 Dec - 13 Jan	British Airways
30 Dec - 07 Jan	British Airways
30 Dec - 24 Jan	British Airways
12 Dec - 11 Jan	Scandinavian Airlines
14 Dec - 18 Jan	Air Canada
29 Dec - 24 Jan	Scandinavian Airlines
16 Dec - 13 Jan	British Airways

Also check the deals for one-way flights from Newark 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 Newark to Athens in December from $373

Return flights