AirHint found the following cheapest return flights from Basel (BSL) to Boston (BOS) in January 2026 (see full year).
Return flights
| 23 Jan - 09 Feb | easyJet | ||
| 15 Jan - 22 Jan | KLM | ||
| 14 Jan - 21 Jan | easyJet | ||
| 08 Jan - 21 Jan | British Airways | ||
| 14 Jan - 24 Jan | Turkish Airlines | ||
| 19 Jan - 22 Jan | Delta |
Also check the deals for one-way flights from Basel to Boston in January.
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