Cheapest return BOS–BCN flights, August

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

Return flights

13 Aug - 19 Aug LEVEL direct
05 Aug - 12 Aug LEVEL direct
16 Aug - 26 Aug LEVEL direct
27 Aug - 03 Sep LEVEL direct
02 Aug - 05 Aug Iberia direct
16 Aug - 19 Aug Iberia direct
23 Aug - 26 Aug Iberia direct
27 Aug - 30 Aug Iberia direct
30 Aug - 02 Sep Iberia direct
12 Aug - 23 Aug LEVEL direct
06 Aug - 09 Aug Iberia direct
20 Aug - 23 Aug Iberia direct
30 Aug - 08 Sep Iberia
29 Aug - 12 Sep Air France direct
30 Aug - 08 Sep Air France direct
31 Aug - 03 Sep Iberia
29 Aug - 01 Sep Iberia

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

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