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

Return flights

05 Dec - 09 Dec	Icelandair
24 Dec - 31 Dec	Finnair
05 Dec - 09 Dec	Scandinavian Airlines	direct
11 Dec - 15 Dec	Norse Atlantic Airways
01 Dec - 08 Dec	Icelandair
31 Dec - 07 Jan	Icelandair
12 Dec - 02 Jan	Icelandair
01 Dec - 08 Dec	Scandinavian Airlines	direct
11 Dec - 18 Dec	Icelandair
17 Dec - 24 Dec	Delta
03 Dec - 10 Dec	Delta
09 Dec - 16 Dec	Delta
25 Dec - 01 Jan	Delta
19 Dec - 03 Jan	Icelandair
27 Dec - 03 Jan	Delta
26 Dec - 02 Jan	Delta
30 Dec - 02 Jan	Delta
31 Dec - 03 Jan	Delta
29 Dec - 01 Jan	Delta

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 $406

Return flights