Cheapest return flights from Barcelona to Boston in October from $478

Best time to book flights for Barcelona (BCN) to Boston (BOS) flights at AirHint

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

Return flights

05 Oct - 11 Oct TAP
12 Oct - 20 Oct TAP
10 Oct - 18 Oct TAP
10 Oct - 15 Oct TAP
12 Oct - 20 Oct LEVEL direct
10 Oct - 15 Oct LEVEL direct
03 Oct - 10 Oct LEVEL direct
21 Oct - 28 Oct United
08 Oct - 18 Oct United
05 Oct - 11 Oct Air France direct
28 Oct - 02 Nov Aer Lingus

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