Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoNovember 2026
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Rare Availability
6% of dates checked are available within 10% of the lowest price
Thursday, November 26th, 2026
3 round-trip options
Returning
Tue, Dec 1, 2026•5 Day Trip
$560 USD
Returning
Wed, Dec 2, 2026•6 Day Trip
$582 USD
Returning
Mon, Dec 7, 2026•11 Day Trip
$560 USD