Cheapest one-way flights from Boston to Barcelona in October from $165

AirHint found the following cheapest one-way flights from Boston (BOS) to Barcelona (BCN) in October 2025 (see full year).

One-Way flights

19 Oct Iberia For Level direct
22 Oct Iberia For Level direct
23 Oct Iberia For Level direct
20 Oct Iberia For Level direct
14 Oct Iberia For Level direct
13 Oct Iberia For Level direct
06 Oct Iberia For Level direct
24 Oct Iberia For Level direct
28 Oct Iberia direct
21 Oct jetBlue

Also check the deals for return 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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