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

Saturday, November 14th, 2026

3 round-trip options

Returning
Thu, Nov 19, 20265 Day Trip
$492 USD
Returning
Fri, Nov 20, 20266 Day Trip
$492 USD
Returning
Wed, Nov 25, 202611 Day Trip
$582 USD