Cheapest return flights from Boston to Barcelona in May from $339

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

04 May - 12 May Fly Play
04 May - 21 May Fly Play
08 May - 12 May Fly Play
05 May - 27 May LEVEL direct
08 May - 12 May LEVEL direct
04 May - 12 May LEVEL direct
04 May - 21 May LEVEL direct
26 May - 10 Jun LEVEL direct
28 May - 23 Jun LEVEL direct
29 May - 04 Jun LEVEL direct
22 May - 26 May Fly Play
19 May - 26 May LEVEL direct
08 May - 18 May LEVEL direct
30 May - 06 Jun LEVEL direct
28 May - 02 Jun LEVEL direct
31 May - 04 Jun TAP
29 May - 07 Jun Vueling Airlines
24 May - 07 Jun TAP
21 May - 01 Jun Icelandair
30 May - 08 Jun LEVEL direct

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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