AirHint found the following cheapest return flights from Luxemburg (LUX) to Barcelona (BCN) in December 2026 (see full year).
Return flights
| 15 Dec - 06 Jan | SWISS | ||
| 11 Dec - 13 Dec | easyJet | ||
| 11 Dec - 13 Dec | Luxair | direct | |
| 10 Dec - 12 Dec | SWISS | ||
| 30 Dec - 04 Jan | Lufthansa | ||
| 15 Dec - 06 Jan | Luxair | direct | |
| 30 Dec - 04 Jan | Luxair | direct |
Also check the deals for one-way flights from Luxemburg to Barcelona in December.
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