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Results refresh when you open or revisit this page. Last snapshot: Aug 26, 2026.

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Cheapest one-way flights from Boston (BOS) to Barcelona (BCN), September

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Dates, airline, and price
Dates	Airline	Price
27 Sep	Icelandair
30 Sep	LEVEL Direct Flight
20 Sep	LEVEL Direct Flight
27 Sep	LEVEL Direct Flight
24 Sep	LEVEL Direct Flight
13 Sep	LEVEL Direct Flight
10 Sep	LEVEL Direct Flight
09 Sep	LEVEL Direct Flight
06 Sep	LEVEL Direct Flight
19 Sep	Air Canada

deals for return flights from Boston to Barcelona in September.

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Updated Aug 26, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from Boston (BOS) to Barcelona (BCN), September

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