AirHint found the following cheapest one-way flights from Frankfurt (FRA) to Brussels (BRU) in December 2025 (see full year).
One-Way flights
| 09 Dec | Ryanair | ||
| 05 Dec | Wizz Air Malta | ||
| 06 Dec | Ryanair | ||
| 26 Dec | Ryanair | ||
| 28 Dec | Ryanair | ||
| 15 Dec | easyJet | ||
| 29 Dec | Ryanair | ||
| 16 Dec | Wizz Air | ||
| 14 Dec | Brussels Airlines | direct | |
| 15 Dec | Brussels Airlines | direct |
Also check the deals for return flights from Frankfurt to Brussels in December.
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