AirHint found the following cheapest return flights from Luxemburg (LUX) to Oslo (OSL) in December 2025 (see full year).
Return flights
| 08 Dec - 15 Dec | KLM | ||
| 22 Dec - 26 Dec | Ryanair | ||
| 30 Dec - 02 Jan | Ryanair | ||
| 29 Dec - 01 Jan | KLM | ||
| 24 Dec - 30 Dec | KLM | ||
| 26 Dec - 29 Dec | KLM | ||
| 23 Dec - 26 Dec | Lufthansa | ||
| 20 Dec - 24 Dec | Ryanair |
Also check the deals for one-way flights from Luxemburg to Oslo in December.
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