AirHint found the following cheapest return flights from Barcelona (BCN) to Boston (BOS) in November 2025 (see full year).
Return flights
| 30 Nov - 14 Dec | Ryanair | ||
| 28 Nov - 30 Nov | KLM | ||
| 28 Nov - 02 Dec | KLM | ||
| 28 Nov - 04 Dec | KLM | ||
| 30 Nov - 03 Dec | Delta | ||
| 29 Nov - 02 Dec | Iberia |
Also check the deals for one-way flights from Barcelona to Boston in November.
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