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

Return flights

31 Dec - 13 Jan	Austrian Airlines
31 Dec - 14 Jan	Austrian Airlines
25 Dec - 29 Dec	United
29 Dec - 09 Jan	Brussels Airlines
29 Dec - 13 Jan	Brussels Airlines
26 Dec - 31 Dec	British Airways
26 Dec - 30 Dec	British Airways
27 Dec - 30 Dec	United
29 Dec - 13 Jan	Scandinavian Airlines	direct
29 Dec - 05 Jan	Brussels Airlines
29 Dec - 04 Jan	Norse Atlantic Airways
27 Dec - 04 Jan	Lufthansa
30 Dec - 04 Jan	SWISS
25 Dec - 01 Jan	British Airways
26 Dec - 31 Dec	Scandinavian Airlines	direct
25 Dec - 29 Dec	Scandinavian Airlines	direct
27 Dec - 30 Dec	Scandinavian Airlines	direct

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 363€

Return flights