Cheapest return flights from Boston to Barcelona in October from 487€

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 October 2025 (see full year).

Return flights

07 Oct - 14 Oct TAP
07 Oct - 10 Oct LEVEL direct
19 Oct - 22 Oct LEVEL direct
17 Oct - 22 Oct LEVEL direct
12 Oct - 22 Oct LEVEL direct
12 Oct - 16 Oct LEVEL direct
07 Oct - 22 Oct LEVEL direct
07 Oct - 16 Oct LEVEL direct

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

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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