Cheapest return flights from Barcelona to Boston in October from $301

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

15 Oct - 19 Oct Fly Play
25 Oct - 01 Nov TAP
23 Oct - 02 Nov TAP
24 Oct - 01 Nov TAP
03 Oct - 11 Oct TAP
18 Oct - 25 Oct Vueling Airlines
09 Oct - 24 Oct Iberia
17 Oct - 24 Oct Iberia
07 Oct - 28 Oct Delta
15 Oct - 19 Oct LEVEL direct
09 Oct - 24 Oct LEVEL direct
12 Oct - 24 Oct United
12 Oct - 24 Oct LEVEL direct

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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