Cheapest return flights from Boston to Barcelona in August from 395€

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in August 2026 (see full year).

Return flights

25 Aug - 08 Sep LEVEL direct
13 Aug - 26 Aug LEVEL direct
19 Aug - 26 Aug Iberia
23 Aug - 26 Aug Iberia direct
24 Aug - 31 Aug Iberia direct
18 Aug - 25 Aug Iberia
17 Aug - 20 Aug Iberia direct
25 Aug - 28 Aug Iberia direct
24 Aug - 27 Aug Iberia direct
20 Aug - 27 Aug Iberia direct
22 Aug - 25 Aug Iberia direct
29 Aug - 05 Sep Iberia direct
30 Aug - 02 Sep Iberia direct
29 Aug - 01 Sep Iberia direct
28 Aug - 04 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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