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

Return flights

08 Jul - 11 Jul	Iberia	direct
14 Jul - 21 Jul	Iberia	direct
15 Jul - 18 Jul	Iberia	direct
15 Jul - 22 Jul	Iberia	direct
16 Jul - 19 Jul	Iberia	direct
21 Jul - 28 Jul	Iberia	direct
30 Jul - 02 Aug	Iberia	direct
16 Jul - 02 Aug	Iberia	direct
09 Jul - 12 Jul	Iberia	direct
08 Jul - 15 Jul	Iberia	direct
16 Jul - 23 Jul	Iberia	direct
01 Jul - 08 Jul	Iberia	direct
31 Jul - 14 Aug	Condor
29 Jul - 05 Aug	Iberia
16 Jul - 01 Aug	Condor
27 Jul - 03 Aug	Iberia	direct
30 Jul - 06 Aug	Iberia	direct
16 Jul - 01 Aug	Iberia	direct
28 Jul - 04 Aug	Iberia
26 Jul - 02 Aug	Iberia

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 551€

Return flights