AirHint found the following cheapest return flights from Warsaw (WMI) to Boston (BOS) in January 2026 (see full year).
Return flights
| 17 Jan - 24 Jan | Ryanair | ||
| 16 Jan - 29 Jan | Ryanair | ||
| 16 Jan - 31 Jan | Ryanair | ||
| 14 Jan - 21 Jan | Wizz Air | ||
| 19 Jan - 23 Jan | Wizz Air | ||
| 05 Jan - 12 Jan | Ryanair | ||
| 02 Jan - 09 Jan | Ryanair |
Also check the deals for one-way flights from Warsaw to Boston in January.
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