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

Return flights

09 Dec - 15 Dec	Vueling Airlines
11 Dec - 15 Dec	Vueling Airlines
01 Dec - 15 Dec	easyJet
03 Dec - 08 Dec	SWISS
02 Dec - 07 Dec	SWISS
04 Dec - 09 Dec	Delta
05 Dec - 08 Dec	SWISS
04 Dec - 08 Dec	SWISS
05 Dec - 09 Dec	SWISS
08 Dec - 15 Dec	KLM
19 Dec - 10 Jan	Air France
24 Dec - 09 Jan	LOT
20 Dec - 10 Jan	LOT
27 Dec - 01 Jan	Air Serbia
29 Dec - 08 Jan	Air Serbia
21 Dec - 10 Jan	Brussels Airlines
26 Dec - 01 Jan	Air Serbia
24 Dec - 04 Jan	Air Serbia
27 Dec - 03 Jan	Air Serbia
26 Dec - 03 Jan	Air Serbia

Also check the deals for one-way flights from Ljubljana 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 Ljubljana to New York in December from 497€

Return flights