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

Return flights

01 Dec - 12 Dec	Ryanair
08 Dec - 14 Dec	Ryanair
12 Dec - 16 Dec	Ryanair
13 Dec - 20 Jan	LOT
30 Dec - 07 Jan	LOT
13 Dec - 28 Dec	LOT
06 Dec - 15 Dec	Lufthansa
08 Dec - 12 Dec	Ryanair
23 Dec - 30 Dec	LOT
01 Dec - 10 Dec	Delta
15 Dec - 31 Dec	Lufthansa
08 Dec - 15 Dec	Austrian Airlines
31 Dec - 15 Jan	LOT
26 Dec - 10 Jan	Lufthansa
31 Dec - 06 Jan	LOT
27 Dec - 06 Jan	LOT
23 Dec - 10 Jan	Austrian Airlines
29 Dec - 12 Jan	Turkish Airlines
29 Dec - 07 Jan	Austrian Airlines
25 Dec - 01 Jan	Austrian 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 457€

Return flights