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

Return flights

29 Dec - 12 Jan	KLM
29 Dec - 10 Jan	KLM
30 Dec - 06 Jan	KLM
27 Dec - 31 Dec	Luxair
31 Dec - 07 Jan	KLM
28 Dec - 01 Jan	KLM
27 Dec - 30 Dec	Luxair
29 Dec - 04 Jan	KLM
30 Dec - 01 Jan	Turkish Airlines
29 Dec - 02 Jan	KLM
27 Dec - 02 Jan	Luxair
28 Dec - 03 Jan	Turkish Airlines

Also check the deals for one-way flights from Luxemburg 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 Luxemburg to New York in December from 712€

Return flights