AirHint found the following cheapest return flights from Riga (RIX) to Luxemburg (LUX) in December 2025 (see full year).
Return flights
| 06 Dec - 07 Dec | Lufthansa | ||
| 23 Dec - 28 Dec | Lufthansa | ||
| 14 Dec - 17 Dec | Ryanair | ||
| 24 Dec - 28 Dec | SWISS | ||
| 24 Dec - 27 Dec | airBaltic | ||
| 06 Dec - 06 Dec | airBaltic |
Also check the deals for one-way flights from Riga to Luxemburg in December.
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