Helsinki (HEL) to Boston (BOS) flight deal in economy from $441

Sunday, September 20th, 2026

3 round-trip options

Returning
Fri, Sep 25, 20265 Day Trip
$1,147 USD
Returning
Tue, Sep 29, 20269 Day Trip
$441 USD
Returning
Thu, Oct 1, 202611 Day Trip
$441 USD