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

Friday, January 1st, 2027

3 round-trip options

Returning
Thu, Jan 7, 20276 Day Trip
$689 USD
Returning
Fri, Jan 8, 20277 Day Trip
$689 USD
Returning
Mon, Jan 11, 202710 Day Trip
$601 USD