AirHint found the following cheapest one-way flights from Barcelona (BCN) to Boston (BOS) in May 2026 (see full year).
One-Way flights
| 19 May | LEVEL | direct | |
| 14 May | LEVEL | direct | |
| 04 May | LEVEL | direct | |
| 18 May | LEVEL | direct | |
| 28 May | LEVEL | direct | |
| 07 May | LEVEL | direct | |
| 29 May | LEVEL | direct | |
| 06 May | LEVEL | direct | |
| 27 May | LEVEL | direct | |
| 13 May | LEVEL | direct |
Also check the deals for return flights from Barcelona to Boston in May.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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