Cheapest return flights from Barcelona to Boston in August from $456

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

26 Aug - 31 Aug Iberia direct
28 Aug - 08 Sep Iberia direct
27 Aug - 03 Sep Iberia direct
30 Aug - 10 Sep Iberia
28 Aug - 10 Sep Iberia
26 Aug - 02 Sep LEVEL direct
29 Aug - 12 Sep Iberia
27 Aug - 17 Sep Finnair
17 Aug - 31 Aug Iberia direct
22 Aug - 26 Aug Iberia direct
13 Aug - 30 Aug Iberia direct
15 Aug - 26 Aug Iberia direct
09 Aug - 27 Aug Iberia direct
11 Aug - 31 Aug Iberia direct
18 Aug - 31 Aug Iberia direct
05 Aug - 26 Aug Iberia direct
24 Aug - 03 Sep Iberia direct
18 Aug - 06 Sep Iberia direct
15 Aug - 14 Sep Iberia direct
20 Aug - 26 Aug LEVEL 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