Cheapest one-way flights from Boston to Barcelona in August from $320

AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in August 2026 (see full year).

One-Way flights

14 Aug Iberia For Level direct

Also check the deals for return flights from Boston to Barcelona in August.

Skyscanner

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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