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

Return flights

08 Dec - 15 Dec	Croatia Airlines
05 Dec - 10 Dec	Ryanair
04 Dec - 08 Dec	LOT
08 Dec - 13 Dec	Ryanair
02 Dec - 07 Dec	LOT
05 Dec - 09 Dec	LOT
04 Dec - 09 Dec	LOT
05 Dec - 14 Dec	Ryanair
08 Dec - 12 Dec	Ryanair
03 Dec - 07 Dec	Croatia Airlines
29 Dec - 04 Jan	Air Serbia
29 Dec - 03 Jan	Air Serbia
26 Dec - 03 Jan	Air Serbia
23 Dec - 04 Jan	LOT
30 Dec - 06 Jan	LOT
27 Dec - 04 Jan	KLM

Also check the deals for one-way flights from Zagreb to New York 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 Zagreb to New York in December from $590

Return flights