Cheapest one-way flights from Boston to Barcelona in August from 307€

Best time to book flights for Boston (BOS) to Barcelona (BCN) flights at AirHint

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 Icelandair
03 Aug TAP
31 Aug Icelandair
13 Aug Icelandair
25 Aug Icelandair
30 Aug Fly Play
03 Aug Iberia direct
16 Aug LEVEL direct
14 Aug Icelandair
14 Aug 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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