Helsinki (HEL) to Boston (BOS) flight deal in economy from $441
$688 USD
-36%$441 USD
Verified 17 days agoNovember 2026
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Fair Availability
22% of dates checked are available within 10% of the lowest price
Friday, November 20th, 2026
2 round-trip options
Returning
Wed, Nov 25, 2026•5 Day Trip
$616 USD
Returning
Fri, Nov 27, 2026•7 Day Trip
$548 USD