Cheapest return flights from Barcelona to Boston in August from $463

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 - 06 Sep United
26 Aug - 01 Sep United
26 Aug - 09 Sep Finnair
26 Aug - 15 Sep LEVEL direct
25 Aug - 31 Aug Icelandair
26 Aug - 09 Sep Iberia direct
26 Aug - 01 Sep Iberia direct
26 Aug - 08 Sep LEVEL direct
26 Aug - 10 Sep LEVEL direct
26 Aug - 04 Sep LEVEL direct
18 Aug - 25 Aug TAP
26 Aug - 06 Sep Iberia direct
15 Aug - 26 Aug TAP
20 Aug - 28 Aug TAP
21 Aug - 28 Aug TAP
11 Aug - 26 Aug TAP
22 Aug - 28 Aug TAP
14 Aug - 28 Aug TAP
23 Aug - 29 Aug TAP
24 Aug - 29 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.

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