Cheapest one-way flights from Boston to Barcelona in July from 159€

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

One-Way flights

20 Jul Icelandair
29 Jul Icelandair
28 Jul Icelandair
22 Jul Iberia For Level direct
15 Jul Iberia For Level direct
21 Jul Iberia For Level direct
23 Jul Iberia For Level direct
31 Jul Iberia For Level direct
19 Jul Iberia For Level direct
29 Jul Iberia For Level direct

Also check the deals for return flights from Boston to Barcelona in July.

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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