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

Return flights

09 Dec - 25 Jan	KLM
10 Dec - 23 Jan	LOT
02 Dec - 08 Dec	KLM
10 Dec - 26 Jan	KLM
05 Dec - 08 Dec	LOT
04 Dec - 08 Jan	Lufthansa
17 Dec - 10 Jan	Norse Atlantic Airways
10 Dec - 25 Jan	Lufthansa
31 Dec - 14 Jan	Austrian Airlines
12 Dec - 25 Jan	KLM
09 Dec - 23 Dec	Lufthansa
15 Dec - 25 Jan	Air France
17 Dec - 24 Dec	Norse Atlantic Airways
16 Dec - 31 Dec	Air Serbia
17 Dec - 05 Jan	Norse Atlantic Airways
17 Dec - 31 Dec	Norse Atlantic Airways
14 Dec - 26 Dec	Air Serbia
17 Dec - 30 Dec	Norse Atlantic Airways
16 Dec - 29 Dec	Air Serbia
16 Dec - 19 Dec	Air Serbia

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 380€

Return flights