Cheapest return flights from Barcelona to Boston in October from $307

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

20 Oct - 12 Nov Fly Play
13 Oct - 05 Nov Fly Play
24 Oct - 01 Nov Fly Play
01 Oct - 06 Oct LEVEL direct
01 Oct - 22 Oct LEVEL direct
15 Oct - 20 Oct LEVEL direct
01 Oct - 12 Oct LEVEL direct
03 Oct - 22 Oct LEVEL direct
12 Oct - 29 Oct Lufthansa
24 Oct - 01 Nov Iberia direct
07 Oct - 29 Oct TAP
21 Oct - 28 Oct Lufthansa
21 Oct - 25 Oct Vueling Airlines
19 Oct - 30 Oct 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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