Cheapest return flights from Boston to Barcelona in August from 414€

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

31 Aug - 12 Sep LEVEL direct
31 Aug - 05 Sep LEVEL direct
31 Aug - 15 Sep LEVEL direct
29 Aug - 12 Sep LEVEL direct
29 Aug - 05 Sep LEVEL direct
30 Aug - 12 Sep LEVEL direct
30 Aug - 05 Sep LEVEL direct
29 Aug - 15 Sep LEVEL direct
30 Aug - 15 Sep LEVEL direct
19 Aug - 05 Sep LEVEL direct
19 Aug - 22 Aug LEVEL direct
07 Aug - 22 Aug LEVEL direct
11 Aug - 22 Aug LEVEL direct
17 Aug - 22 Aug LEVEL direct
12 Aug - 22 Aug LEVEL direct
19 Aug - 25 Aug LEVEL direct
07 Aug - 25 Aug LEVEL direct
11 Aug - 25 Aug LEVEL direct
17 Aug - 25 Aug LEVEL direct
12 Aug - 25 Aug LEVEL direct

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