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

Return flights

01 Dec - 05 Dec	easyJet
15 Dec - 29 Dec	KLM
25 Dec - 28 Dec	Air France
03 Dec - 11 Dec	Air France
07 Dec - 17 Dec	KLM
09 Dec - 16 Dec	easyJet
22 Dec - 09 Jan	Air France
31 Dec - 04 Jan	KLM
16 Dec - 26 Dec	Air France
25 Dec - 02 Jan	Air France
22 Dec - 26 Dec	easyJet
06 Dec - 19 Dec	KLM
23 Dec - 02 Jan	KLM
22 Dec - 27 Dec	Turkish Airlines
21 Dec - 03 Jan	Brussels Airlines
22 Dec - 02 Jan	SWISS
27 Dec - 03 Jan	Air Serbia
27 Dec - 02 Jan	Lufthansa
22 Dec - 03 Jan	SWISS
29 Dec - 02 Jan	Turkish Airlines

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 422€

Return flights