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

Return flights

08 Apr - 15 Apr	Iberia For Level	direct
17 Apr - 20 Apr	Iberia
03 Apr - 13 Apr	Iberia	direct
16 Apr - 24 Apr	Iberia For Level	direct
16 Apr - 24 Apr	Iberia
17 Apr - 20 Apr	Iberia For Level	direct
02 Apr - 06 Apr	TAP
17 Apr - 24 Apr	Iberia
18 Apr - 21 Apr	Iberia
27 Apr - 30 Apr	Iberia	direct

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

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 April from $410

Return flights