Cheapest return flights from Boston to Barcelona in June from $409

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in June 2025 (see full year).

Return flights

29 Jun - 09 Jul Air Canada
29 Jun - 16 Jul Air Canada
30 Jun - 04 Jul SWISS
30 Jun - 07 Jul Air Canada
29 Jun - 04 Jul Air Canada
28 Jun - 09 Jul Air Canada
28 Jun - 03 Jul Air Canada
28 Jun - 10 Jul Air Canada
28 Jun - 04 Jul Air Canada
26 Jun - 03 Jul SWISS
26 Jun - 30 Jun Lufthansa
27 Jun - 29 Jun Lufthansa
26 Jun - 30 Jun Iberia direct
27 Jun - 29 Jun Iberia direct

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

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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