AirHint found the following cheapest return flights from Luxemburg (LUX) to Keflavik (KEF) in January 2026 (see full year).
Return flights
| 29 Jan - 06 Feb | KLM | ||
| 24 Jan - 29 Jan | Ryanair | ||
| 15 Jan - 23 Jan | KLM | ||
| 31 Jan - 07 Feb | Ryanair | ||
| 11 Jan - 15 Jan | Ryanair | ||
| 17 Jan - 24 Jan | Ryanair | ||
| 08 Jan - 12 Jan | KLM | ||
| 01 Jan - 08 Jan | SWISS |
Also check the deals for one-way flights from Luxemburg to Keflavik in January.
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