Find and book Finnair flights from Boston

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Round-trip price per adult from
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Flight offers from Boston (BOS)

BOS – HEL
Boston - Helsinki
Thu 2 Oct 2025 – Thu 9 Oct 2025
From
356 USD

Cheap Finnair flights from Boston and (BOS) airports

BOS – HEL
Boston - Helsinki
Thu 2 Oct 2025 – Thu 9 Oct 2025
From
356 USD

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Boston - Helsinki