Cheapest one-way flights from Boston to Barcelona in October from $166

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

One-Way flights

12 Oct Icelandair
29 Oct Icelandair
22 Oct Icelandair
15 Oct Icelandair
12 Oct Iberia For Level direct
14 Oct Iberia For Level direct
13 Oct Iberia For Level direct
15 Oct Iberia For Level direct
16 Oct Iberia For Level direct
21 Oct Icelandair

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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