Cheapest one-way flights from Barcelona to Boston in September from $228

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

AirHint found the following cheapest one-way flights from Barcelona (BCN) to Boston (BOS) in September 2025 (see full year).

One-Way flights

03 Sep LEVEL direct
08 Sep Fly Play
04 Sep Wizz Air Malta
26 Sep Vueling Airlines
24 Sep Vueling Airlines
29 Sep Vueling Airlines
02 Sep Vueling Airlines
19 Sep Vueling Airlines
01 Sep Fly Play
20 Sep easyJet

Also check the deals for return flights from Barcelona to Boston in September.

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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