Cheapest return flights from Boston to Barcelona in October from 244€

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

Return flights

17 Oct - 19 Oct Iberia For Level direct
02 Oct - 14 Oct Iberia For Level direct
01 Oct - 05 Oct Iberia For Level direct
17 Oct - 24 Oct Iberia For Level direct
01 Oct - 15 Oct Iberia For Level direct
24 Oct - 27 Oct Iberia For Level direct
01 Oct - 06 Oct Iberia For Level direct
22 Oct - 30 Oct Iberia For Level direct
01 Oct - 23 Oct Iberia For Level direct
01 Oct - 27 Oct Iberia For Level direct
22 Oct - 15 Nov Iberia For Level direct
21 Oct - 04 Nov Air Canada
26 Oct - 07 Nov Delta
31 Oct - 01 Nov Icelandair

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.

Book a cheap hotel in Barcelona

Cheap car rent in Barcelona

Feel free to contact us with any feedback or request another flight research.