Cheapest return flights from Boston to Barcelona in May from $406

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 - 21 May Fly Play
05 May - 12 May Condor
12 May - 21 May LEVEL direct
14 May - 21 May LEVEL direct
09 May - 15 May LEVEL direct
31 May - 04 Jun Icelandair
12 May - 20 May Condor
04 May - 07 May Condor
08 May - 16 May Fly Play
04 May - 08 May Condor
11 May - 20 May Condor
29 May - 04 Jun Icelandair
25 May - 10 Jun Icelandair
07 May - 04 Jun Icelandair
26 May - 06 Jun LEVEL direct
20 May - 10 Jun Brussels Airlines
29 May - 05 Jun LEVEL direct
29 May - 04 Jun LEVEL direct
30 May - 06 Jun LEVEL direct
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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