Cheapest one-way flights from Boston to Barcelona in August from 172€

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

One-Way flights

19 Aug Iberia For Level direct
02 Aug Iberia For Level direct
17 Aug Iberia For Level direct
13 Aug Iberia For Level direct
18 Aug Iberia For Level direct
20 Aug Iberia For Level direct
05 Aug Iberia For Level direct
04 Aug Iberia For Level direct
21 Aug Iberia For Level direct
12 Aug Iberia For Level direct

Also check the deals for return 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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