Cheapest return flights from Barcelona to Boston in May from $416

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

Return flights

29 May - 07 Jun Iberia
09 May - 16 May Iberia For Level direct
29 May - 07 Jun Iberia For Level direct
22 May - 25 May Finnair
18 May - 22 May Delta
25 May - 29 May Delta direct
22 May - 25 May Iberia For Level direct

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

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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