AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in June 2026 (see full year).
One-Way flights
| 16 Jun | Air Canada | ||
| 01 Jun | SWISS | ||
| 07 Jun | Brussels Airlines | ||
| 08 Jun | Brussels Airlines | ||
| 10 Jun | Brussels Airlines | ||
| 03 Jun | TAP | ||
| 24 Jun | Aer Lingus | ||
| 20 Jun | Air Canada | ||
| 26 Jun | TAP | ||
| 16 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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