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

Return flights

06 Dec - 13 Dec	Spirit Airlines
02 Dec - 05 Dec	Air Canada
05 Dec - 08 Dec	Scandinavian Airlines
24 Dec - 17 Jan	Air Canada
30 Dec - 06 Jan	British Airways
31 Dec - 09 Jan	Virgin Atlantic
12 Dec - 14 Dec	Virgin Atlantic
04 Dec - 27 Dec	Air Canada
16 Dec - 26 Dec	Spirit Airlines
08 Dec - 10 Dec	Virgin Atlantic
24 Dec - 30 Dec	Air Canada
17 Dec - 10 Jan	Spirit Airlines
15 Dec - 18 Dec	KLM
28 Dec - 17 Jan	Air Canada
21 Dec - 10 Jan	Spirit Airlines
15 Dec - 29 Dec	Air Canada
13 Dec - 03 Jan	Lufthansa
28 Dec - 02 Jan	Air Canada
23 Dec - 02 Jan	Air Canada
19 Dec - 10 Jan	Spirit Airlines

Also check the deals for one-way flights from New York to Copenhagen 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 Copenhagen in December from $624

Return flights