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

Return flights

09 Jun - 22 Jul	Iberia For Level	direct
01 Jun - 14 Jun	Iberia	direct
08 Jun - 15 Jun	Iberia
08 Jun - 15 Jun	Iberia For Level	direct
24 Jun - 02 Jul	Condor
01 Jun - 30 Jun	Iberia For Level	direct
22 Jun - 01 Jul	Iberia	direct
24 Jun - 02 Jul	Iberia	direct

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

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 June from $440

Return flights