AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in June 2026 (see full year).
One-Way flights
| 25 Jun | Icelandair | ||
| 09 Jun | LEVEL | direct | |
| 04 Jun | LEVEL | direct | |
| 18 Jun | LEVEL | direct | |
| 12 Jun | jetBlue | ||
| 21 Jun | LEVEL | direct | |
| 25 Jun | LEVEL | direct | |
| 12 Jun | LEVEL | direct |
Also check the deals for return flights from Boston to Barcelona in June.
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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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