Cheapest return flights from Boston to Barcelona in May from 440€

Best time to book flights for Boston (BOS) to Barcelona (BCN) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in May 2025 (see full year).

Return flights

13 May - 20 May Scandinavian Airlines
11 May - 18 May Scandinavian Airlines
12 May - 19 May Scandinavian Airlines
14 May - 21 May Scandinavian Airlines
13 May - 20 May Vueling Airlines direct
03 May - 10 May Scandinavian Airlines
01 May - 05 May Scandinavian Airlines
01 May - 05 May LEVEL direct
06 May - 13 May LEVEL direct
01 May - 15 May LEVEL direct
31 May - 04 Jun Fly Play
27 May - 03 Jun Azores Airlines
30 May - 06 Jun Fly Play
26 May - 02 Jun Fly Play
28 May - 04 Jun Vueling Airlines direct
20 May - 12 Jun LEVEL direct
20 May - 11 Jun LEVEL direct
31 May - 09 Jun Fly Play
29 May - 09 Jun Azores Airlines
19 May - 11 Jun Fly Play

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