Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoAugust 2026
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Rare Availability
6% of dates checked are available within 10% of the lowest price
Thursday, August 27th, 2026
3 round-trip options
Returning
Fri, Sep 4, 2026•8 Day Trip
$655 USD
Returning
Sun, Sep 6, 2026•10 Day Trip
$1,014 USD
Returning
Wed, Sep 9, 2026•13 Day Trip
$533 USD
