AirHint found the following cheapest return flights from Luxemburg (LUX) to St.-denis (RUN) in December 2025 (see full year).
Return flights
| 01 Dec - 15 Dec | Luxair | ||
| 29 Dec - 10 Jan | Ryanair | ||
| 22 Dec - 03 Jan | Ryanair | ||
| 21 Dec - 03 Jan | Air France | ||
| 19 Dec - 02 Jan | Air France |
Also check the deals for one-way flights from Luxemburg to St.-denis in December.
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