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

Return flights

26 Dec - 29 Dec	KLM
24 Dec - 31 Dec	Delta
25 Dec - 28 Dec	KLM
22 Dec - 31 Dec	KLM
23 Dec - 07 Jan	KLM
31 Dec - 12 Jan	KLM
29 Dec - 10 Jan	KLM
18 Dec - 25 Dec	Delta
18 Dec - 26 Dec	Delta
19 Dec - 26 Dec	KLM
15 Dec - 21 Dec	easyJet
23 Dec - 27 Dec	KLM
17 Dec - 24 Dec	KLM
25 Dec - 03 Jan	KLM
25 Dec - 01 Jan	KLM
27 Dec - 02 Jan	TAP
26 Dec - 03 Jan	KLM
23 Dec - 04 Jan	KLM
23 Dec - 02 Jan	Ryanair
24 Dec - 01 Jan	KLM

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 $730

Return flights