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

Thursday, January 7th, 2027

3 round-trip options

Returning
Wed, Jan 13, 20276 Day Trip
$607 USD
Returning
Thu, Jan 14, 20277 Day Trip
$607 USD
Returning
Sun, Jan 17, 202710 Day Trip
$619 USD