Cheapest one-way flights from Boston to Barcelona in June from $234
AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in June 2025 (see full year).
One-Way flights
| 09 Jun | LEVEL | direct | |
| 04 Jun | LEVEL | direct | |
| 02 Jun | Fly Play | ||
| 08 Jun | LEVEL | direct | |
| 06 Jun | LEVEL | direct | |
| 28 Jun | Azores Airlines | ||
| 10 Jun | Fly Play | ||
| 15 Jun | Fly Play | ||
| 16 Jun | Fly Play | ||
| 21 Jun | Icelandair |
Also check the deals for return flights from Boston to Barcelona in June.
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.
