Cheapest one-way flights from Boston to Barcelona in October from 154€

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 Icelandair
07 Oct Icelandair
12 Oct Icelandair
14 Oct Icelandair
05 Oct Icelandair
01 Oct Icelandair
06 Oct Icelandair
19 Oct Iberia For Level direct
12 Oct Iberia For Level direct
02 Oct Iberia For Level direct

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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