AirHint found the following cheapest return flights from Boston (BOS) to Brussels (BRU) in January 2026 (see full year).
Return flights
| 18 Jan - 03 Feb | Brussels Airlines | ||
| 29 Jan - 04 Feb | Brussels Airlines | ||
| 31 Jan - 06 Feb | TAP | ||
| 21 Jan - 01 Feb | TAP | ||
| 30 Jan - 02 Feb | United | ||
| 18 Jan - 22 Jan | Aer Lingus | ||
| 15 Jan - 19 Jan | TAP |
Also check the deals for one-way flights from Boston to Brussels in January.
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