AirHint found the following cheapest return flights from Stuttgart (STR) to Billund (BLL) in December 2025 (see full year).
Return flights
| 17 Dec - 27 Dec | Air France | ||
| 18 Dec - 27 Dec | KLM | ||
| 10 Dec - 17 Dec | Air France | ||
| 20 Dec - 21 Dec | KLM |
Also check the deals for one-way flights from Stuttgart to Billund in December.
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