AirHint found the following cheapest one-way flights from Reykjavik (REK) to Billund (BLL) in December 2025 (see full year).
One-Way flights
| 01 Dec | easyJet | ||
| 19 Dec | KLM | ||
| 20 Dec | Lufthansa | ||
| 19 Dec | Icelandair | direct |
Also check the deals for return flights from Reykjavik to Billund in December.
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