AirHint found the following cheapest one-way flights from Boston (BOS) to Brussels (BRU) in December 2025 (see full year).
One-Way flights
| 04 Dec | Air France | ||
| 09 Dec | Air France | ||
| 05 Dec | KLM | ||
| 06 Dec | KLM | ||
| 08 Dec | Air France | ||
| 07 Dec | Air France | ||
| 28 Dec | TAP | ||
| 10 Dec | TAP | ||
| 25 Dec | Brussels Airlines | ||
| 20 Dec | Air Canada |
Also check the deals for return flights from Boston to Brussels in December.
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