Cheapest return flights from Barcelona to Boston in August from $494

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 - 03 Sep LEVEL direct
28 Aug - 17 Sep Finnair
30 Aug - 10 Sep Finnair direct
26 Aug - 12 Sep LEVEL direct
13 Aug - 27 Aug LEVEL direct
18 Aug - 31 Aug LEVEL direct
21 Aug - 28 Aug LEVEL direct
19 Aug - 30 Aug LEVEL direct
19 Aug - 28 Aug LEVEL direct
06 Aug - 27 Aug LEVEL direct
14 Aug - 27 Aug LEVEL direct
19 Aug - 26 Aug LEVEL direct
06 Aug - 31 Aug LEVEL direct
15 Aug - 30 Aug LEVEL direct
13 Aug - 03 Sep LEVEL direct
20 Aug - 05 Sep LEVEL direct
19 Aug - 02 Sep LEVEL direct
19 Aug - 04 Sep LEVEL direct
25 Aug - 17 Sep SWISS
16 Aug - 03 Sep 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.

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