Boston (BOS) to Helsinki (HEL) flight deal in economy from $391

Saturday, November 28th, 2026

3 round-trip options

Returning
Thu, Dec 3, 20265 Day Trip
$397 USD
Returning
Fri, Dec 4, 20266 Day Trip
$486 USD
Returning
Wed, Dec 9, 202611 Day Trip
$397 USD