AirHint found the following cheapest return flights from Denver (DEN) to Copenhagen (CPH) in January 2026 (see full year).
Return flights
| 15 Jan - 19 Jan | Lufthansa | ||
| 15 Jan - 20 Jan | Brussels Airlines | ||
| 14 Jan - 20 Jan | United | ||
| 25 Jan - 28 Jan | Icelandair | ||
| 14 Jan - 17 Jan | United |
Also check the deals for one-way flights from Denver to Copenhagen in January.
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