Cheapest return flights from Boston to Barcelona in August from 466€

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

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

Return flights

11 Aug - 20 Aug LEVEL direct
06 Aug - 20 Aug LEVEL direct
06 Aug - 29 Aug LEVEL direct
13 Aug - 20 Aug LEVEL direct
14 Aug - 21 Aug LEVEL direct
18 Aug - 25 Aug LEVEL direct
20 Aug - 27 Aug LEVEL direct
26 Aug - 02 Sep Fly Play
06 Aug - 30 Aug LEVEL direct
06 Aug - 31 Aug LEVEL direct
12 Aug - 19 Aug LEVEL direct
22 Aug - 02 Sep LEVEL direct
23 Aug - 02 Sep LEVEL direct
27 Aug - 03 Sep Scandinavian Airlines
25 Aug - 01 Sep LEVEL direct
28 Aug - 04 Sep Icelandair
30 Aug - 09 Sep Turkish Airlines
30 Aug - 09 Sep LEVEL direct
26 Aug - 02 Sep LEVEL direct
27 Aug - 03 Sep LEVEL direct

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

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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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