Cheapest return flights from Barcelona to Boston in May from 338€

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

Return flights

04 May - 14 May LEVEL direct
19 May - 26 May LEVEL direct
06 May - 09 May Iberia direct
20 May - 23 May Iberia direct
20 May - 27 May Iberia direct
04 May - 11 May Iberia direct
08 May - 11 May Iberia direct
15 May - 18 May Iberia direct
05 May - 12 May Iberia direct
25 May - 28 May Iberia direct
29 May - 01 Jun Iberia direct
28 May - 04 Jun Iberia direct
27 May - 03 Jun Iberia direct
25 May - 01 Jun Iberia direct
26 May - 02 Jun Iberia direct
29 May - 06 Jun Iberia direct
29 May - 05 Jun Iberia direct
30 May - 02 Jun Iberia
30 May - 06 Jun Iberia
31 May - 07 Jun Iberia

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

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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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