AirHint found the following cheapest return flights from Cardiff (CWL) to Cologne (CGN) in January 2026 (see full year).
Return flights
| 01 Jan - 05 Jan | Ryanair | ||
| 23 Jan - 30 Jan | Ryanair | ||
| 01 Jan - 04 Jan | Ryanair | ||
| 27 Jan - 03 Feb | Vueling Airlines | ||
| 02 Jan - 04 Jan | Aer Lingus |
Also check the deals for one-way flights from Cardiff to Cologne in January.
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