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

Return flights

15 Dec - 25 Jan	Lufthansa
13 Dec - 20 Jan	Austrian Airlines
08 Dec - 22 Dec	Lufthansa
14 Dec - 08 Jan	KLM
05 Dec - 19 Dec	Turkish Airlines
17 Dec - 09 Jan	Norse Atlantic Airways
21 Dec - 29 Dec	Air Serbia
20 Dec - 02 Jan	Air Serbia
19 Dec - 04 Jan	HiSky Europe
21 Dec - 03 Jan	Lufthansa

Also check the deals for one-way flights from New York to Zagreb 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 Zagreb in December from $425

Return flights