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

Return flights

01 Dec - 07 Dec	Delta
02 Dec - 08 Dec	Delta
05 Dec - 07 Dec	Delta
05 Dec - 08 Dec	Delta
04 Dec - 07 Dec	Delta
17 Dec - 24 Dec	Delta
15 Dec - 10 Jan	Porter Airlines (Canada) Ltd
05 Dec - 27 Dec	Porter Airlines (Canada) Ltd
17 Dec - 10 Jan	Porter Airlines (Canada) Ltd
18 Dec - 10 Jan	Porter Airlines (Canada) Ltd
22 Dec - 02 Jan	Spirit Airlines
18 Dec - 11 Jan	Delta
25 Dec - 03 Jan	United
20 Dec - 02 Jan	Delta
20 Dec - 03 Jan	Delta

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