Cheapest return flights from Boston to Barcelona in August from $322

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

Return flights

19 Aug - 27 Aug Iberia direct
18 Aug - 27 Aug Iberia For Level direct
19 Aug - 08 Sep Iberia For Level direct
19 Aug - 06 Sep Iberia For Level direct
26 Aug - 16 Sep Iberia For Level direct
26 Aug - 09 Sep Iberia For Level direct
22 Aug - 29 Aug Iberia For Level direct
19 Aug - 07 Sep Iberia direct
06 Aug - 29 Aug Icelandair
21 Aug - 28 Aug TAP
30 Aug - 18 Sep TAP
16 Aug - 26 Aug Iberia For Level direct
19 Aug - 26 Aug Iberia For Level direct
19 Aug - 30 Aug Iberia For Level direct
12 Aug - 19 Aug Iberia For Level direct
14 Aug - 21 Aug Iberia For Level direct
11 Aug - 02 Sep Iberia For Level direct
28 Aug - 07 Sep TAP
19 Aug - 02 Sep Air Canada
19 Aug - 02 Sep Iberia 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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