AirHint found the following cheapest one-way flights from Madrid (MAD) to Boston (BOS) in January 2027 (see full year).
One-Way flights
| 01 Jan | TAP | ||
| 02 Jan | TAP | ||
| 01 Jan | Finnair | direct | |
| 02 Jan | Finnair | direct |
Also check the deals for return flights from Madrid to Boston in January.
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