Cheapest return flights from Barcelona to Boston in August from $465

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 - 31 Aug United
25 Aug - 31 Aug Icelandair
25 Aug - 30 Aug Icelandair
27 Aug - 31 Aug LEVEL direct
23 Aug - 30 Aug Vueling Airlines
22 Aug - 05 Sep Ryanair
17 Aug - 29 Aug TAP
20 Aug - 25 Aug TAP
01 Aug - 15 Aug TAP
11 Aug - 18 Aug TAP
04 Aug - 18 Aug TAP
22 Aug - 05 Sep Iberia direct

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