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

Return flights

09 Jul - 12 Jul	Iberia	direct
15 Jul - 18 Jul	Iberia	direct
23 Jul - 26 Jul	Iberia	direct
22 Jul - 29 Jul	Iberia	direct
03 Jul - 12 Jul	TAP
07 Jul - 10 Jul	Iberia	direct
07 Jul - 14 Jul	Iberia	direct
16 Jul - 23 Jul	Iberia	direct
22 Jul - 25 Jul	Iberia	direct
20 Jul - 02 Aug	TAP
03 Jul - 12 Jul	Iberia	direct
28 Jul - 04 Aug	Iberia
30 Jul - 02 Aug	Iberia
20 Jul - 02 Aug	Iberia	direct
27 Jul - 03 Aug	Iberia
30 Jul - 06 Aug	Iberia
29 Jul - 01 Aug	Iberia	direct
31 Jul - 03 Aug	Iberia	direct

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

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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Cheapest return flights from Barcelona to Boston in July from 552€

Return flights