Cheapest return flights from Boston to Barcelona in May from 346€

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

Return flights

11 May - 25 May Iberia direct
14 May - 28 May Iberia direct
03 May - 12 May Iberia direct
19 May - 13 Jun Iberia direct
28 May - 12 Jun Iberia direct
24 May - 31 May Icelandair
29 May - 07 Jun Iberia For Level direct
24 May - 20 Jun Iberia For Level direct
24 May - 31 May Iberia For Level direct

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