Cheapest return flights from Denver to Copenhagen in December from $489

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

Return flights

02 Dec - 09 Dec Lufthansa
08 Dec - 15 Dec Lufthansa
05 Dec - 10 Dec Air Canada
03 Dec - 10 Dec Lufthansa
04 Dec - 11 Dec Lufthansa
07 Dec - 14 Dec Lufthansa
09 Dec - 16 Dec Lufthansa
29 Dec - 15 Jan United
05 Dec - 12 Dec Lufthansa
06 Dec - 13 Dec Icelandair
31 Dec - 07 Jan Lufthansa
10 Dec - 17 Dec Icelandair
30 Dec - 06 Jan Lufthansa
29 Dec - 05 Jan Lufthansa
25 Dec - 01 Jan Lufthansa
28 Dec - 04 Jan Lufthansa
27 Dec - 03 Jan Lufthansa
26 Dec - 02 Jan Lufthansa

Also check the deals for one-way flights from Denver to Copenhagen in December.

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