Helsinki (HEL) to Boston (BOS) flight deal in economy from $441
$688 USD
-36%$441 USD
Verified 17 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
22% of dates checked are available within 10% of the lowest price
Saturday, August 22nd, 2026
4 round-trip options
Returning
Thu, Aug 27, 2026•5 Day Trip
$629 USD
Returning
Sun, Aug 30, 2026•8 Day Trip
$615 USD
Returning
Tue, Sep 1, 2026•10 Day Trip
$665 USD
Returning
Sat, Sep 5, 2026•14 Day Trip
$612 USD