Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
6% of dates checked are available within 10% of the lowest price
Saturday, August 29th, 2026
3 round-trip options
Returning
Sun, Sep 6, 2026•8 Day Trip
$1,169 USD
Returning
Tue, Sep 8, 2026•10 Day Trip
$776 USD
Returning
Fri, Sep 11, 2026•13 Day Trip
$734 USD
