Helsinki (HEL) to Boston (BOS) flight deal in economy from $406
$762 USD
-47%$406 USD
Verified about 4 hours agoSeptember 2026
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Limited Availability
18% of dates checked are available within 10% of the lowest price
Sunday, September 20th, 2026
2 round-trip options
Returning
Sat, Sep 26, 2026•6 Day Trip
$652 USD
Returning
Sat, Oct 3, 2026•13 Day Trip
$670 USD