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

Return flights

11 Dec - 14 Dec	Scandinavian Airlines
03 Dec - 05 Dec	Spirit Airlines
08 Dec - 11 Dec	Frontier Airlines
02 Dec - 05 Dec	Spirit Airlines
29 Dec - 10 Jan	Spirit Airlines
04 Dec - 07 Dec	Spirit Airlines
24 Dec - 03 Jan	Air Canada
24 Dec - 05 Jan	Air Canada
24 Dec - 04 Jan	Air Canada
24 Dec - 30 Dec	Porter Airlines (Canada) Ltd
24 Dec - 29 Dec	Porter Airlines (Canada) Ltd

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 490€

Return flights