Cheapest return flights from Boston to Barcelona in May from 317€

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

18 May - 28 May Fly Play
01 May - 16 May Fly Play
25 May - 30 May Fly Play
24 May - 30 May Fly Play
15 May - 30 May Fly Play
06 May - 13 May Fly Play
06 May - 13 May Vueling Airlines direct
07 May - 14 May LEVEL direct
05 May - 14 May LEVEL direct
04 May - 02 Jun Fly Play
05 May - 12 May Vueling Airlines direct
29 May - 09 Jun Fly Play
28 May - 04 Jun TAP
15 May - 06 Jun LEVEL direct
26 May - 02 Jun TAP
27 May - 03 Jun TAP
21 May - 12 Jun LEVEL direct
29 May - 05 Jun LEVEL direct
29 May - 13 Jun LEVEL direct
04 May - 02 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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