AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in August 2026 (see full year).
One-Way flights
| 23 Aug | Air France | ||
| 03 Aug | Icelandair | ||
| 29 Aug | Air France | ||
| 30 Aug | Icelandair | ||
| 02 Aug | Icelandair | ||
| 27 Aug | Air France | ||
| 09 Aug | LEVEL | direct | |
| 12 Aug | LEVEL | direct | |
| 30 Aug | LEVEL | direct | |
| 02 Aug | LEVEL | direct |
Also check the deals for return flights from Boston to Barcelona in August.
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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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