Cheapest one-way flights from Boston to Barcelona in April from $231

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

One-Way flights

28 Apr LEVEL direct
07 Apr LEVEL direct
08 Apr LEVEL direct
10 Apr TAP
16 Apr LEVEL direct
23 Apr LEVEL direct
17 Apr Air Canada
10 Apr Iberia direct
17 Apr LEVEL direct

Also check the deals for return flights from Boston to Barcelona in April.

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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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