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

Return flights

03 Dec - 07 Dec	LOT
06 Dec - 11 Dec	LOT
09 Dec - 16 Dec	LOT
11 Dec - 15 Dec	Air Canada
04 Dec - 09 Dec	Air Canada
18 Dec - 25 Dec	LOT
11 Dec - 17 Dec	LOT
01 Dec - 15 Dec	Air Canada
07 Dec - 15 Dec	Air Canada
01 Dec - 07 Dec	Air Canada
27 Dec - 08 Jan	LOT
29 Dec - 13 Jan	LOT
15 Dec - 02 Jan	Air Canada
30 Dec - 05 Jan	Lufthansa
25 Dec - 01 Jan	LOT
27 Dec - 02 Jan	Croatia Airlines
20 Dec - 03 Jan	Turkish Airlines
28 Dec - 09 Jan	Lufthansa
22 Dec - 05 Jan	Lufthansa
22 Dec - 03 Jan	Turkish Airlines

Also check the deals for one-way flights from Zagreb to Newark 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 Newark in December from 515€

Return flights