AirHint found the following cheapest return flights from Brussels (BRU) to Billund (BLL) in December 2025 (see full year).
Return flights
| 08 Dec - 10 Dec | Wizz Air Malta | ||
| 01 Dec - 05 Dec | Ryanair | ||
| 11 Dec - 13 Dec | Lufthansa | ||
| 10 Dec - 12 Dec | Ryanair | ||
| 01 Dec - 03 Dec | Lufthansa | ||
| 20 Dec - 27 Dec | Ryanair | ||
| 20 Dec - 04 Jan | Smart Wings |
Also check the deals for one-way flights from Brussels to Billund in December.
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