Cheapest return flights from Barcelona to Boston in August from 429€

Best time to book flights for Barcelona (BCN) to Boston (BOS) flights at AirHint

AirHint found the following cheapest return flights from Barcelona (BCN) to Boston (BOS) in August 2025 (see full year).

Return flights

27 Aug - 15 Sep LEVEL direct
27 Aug - 02 Sep Delta
27 Aug - 31 Aug LEVEL direct
27 Aug - 16 Sep LEVEL direct
27 Aug - 03 Sep LEVEL direct
27 Aug - 02 Sep LEVEL direct
27 Aug - 09 Sep LEVEL direct
27 Aug - 01 Sep LEVEL direct
27 Aug - 10 Sep LEVEL direct
27 Aug - 14 Sep LEVEL direct
27 Aug - 30 Aug LEVEL direct
27 Aug - 12 Sep LEVEL direct
20 Aug - 26 Aug LEVEL direct
20 Aug - 31 Aug LEVEL direct
07 Aug - 30 Aug TAP
23 Aug - 26 Aug LEVEL direct
08 Aug - 26 Aug Delta
22 Aug - 28 Aug Delta
20 Aug - 24 Aug LEVEL direct
11 Aug - 31 Aug TAP

Also check the deals for one-way flights from Barcelona to Boston 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.

Book a cheap hotel in Boston

Cheap car rent in Boston