AirHint found the following cheapest return flights from Birmingham (BHX) to Boston (BOS) in May 2026 (see full year).
Return flights
| 01 May - 04 May | Scandinavian Airlines | ||
| 13 May - 20 May | Lufthansa | ||
| 27 May - 31 May | Delta | ||
| 08 May - 22 May | Aer Lingus |
Also check the deals for one-way flights from Birmingham to Boston in May.
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