AirHint found the following cheapest return flights from Boston (BOS) to Brussels (BRU) in October 2025 (see full year).
Return flights
| 24 Oct - 28 Oct | United | ||
| 21 Oct - 28 Oct | Air Canada | ||
| 18 Oct - 25 Oct | Brussels Airlines | ||
| 18 Oct - 19 Oct | Scandinavian Airlines |
Also check the deals for one-way flights from Boston to Brussels in October.
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