Cheapest return flights from Boston to Barcelona in August from $488

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

Return flights

23 Aug - 12 Sep LEVEL direct
07 Aug - 30 Aug TAP
07 Aug - 29 Aug Iberia
06 Aug - 15 Aug Aer Lingus
07 Aug - 29 Aug LEVEL direct
07 Aug - 30 Aug LEVEL direct
01 Aug - 10 Aug Aer Lingus
01 Aug - 10 Aug LEVEL direct
06 Aug - 15 Aug LEVEL direct

Also check the deals for one-way 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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