AirHint found the following cheapest return flights from Houston (IAH) to Copenhagen (CPH) in January 2026 (see full year).
Return flights
| 25 Jan - 04 Feb | Frontier Airlines | ||
| 12 Jan - 19 Jan | Frontier Airlines | ||
| 02 Jan - 12 Jan | KLM |
Also check the deals for one-way flights from Houston to Copenhagen in January.
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