Cheapest return flights from Boston to Barcelona in May from $644

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

30 May - 03 Jun Condor
30 May - 01 Jun Condor
30 May - 08 Jun Condor
30 May - 06 Jun ITA Airways
31 May - 04 Jun Condor
30 May - 02 Jun ITA Airways
30 May - 05 Jun ITA Airways
31 May - 08 Jun Condor
30 May - 02 Jun LEVEL direct
30 May - 03 Jun 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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