AirHint found the following cheapest return flights from Brussels (BRU) to Stuttgart (STR) in December 2025 (see full year).
Return flights
| 13 Dec - 14 Dec | Ryanair | ||
| 15 Dec - 19 Dec | KLM | ||
| 04 Dec - 05 Dec | Ryanair | ||
| 27 Dec - 30 Dec | Ryanair | ||
| 18 Dec - 03 Jan | KLM | ||
| 20 Dec - 21 Dec | KLM |
Also check the deals for one-way flights from Brussels to Stuttgart in December.
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