Cheapest return BOS–BCN flights, October

AirHint found the following cheapest return flights from Boston (BOS) to Barcelona (BCN) in October 2026 (see full year).

Return flights

11 Oct - 22 Oct LEVEL direct
14 Oct - 18 Oct LEVEL direct
01 Oct - 08 Oct LEVEL direct
01 Oct - 04 Oct LEVEL direct
04 Oct - 07 Oct Iberia direct
11 Oct - 14 Oct Iberia direct
15 Oct - 18 Oct Iberia direct
18 Oct - 21 Oct Iberia direct
01 Oct - 11 Oct LEVEL direct
29 Oct - 05 Nov Iberia direct
05 Oct - 08 Oct Iberia
30 Oct - 02 Nov Iberia

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

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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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