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

Friday, January 22nd, 2027

3 round-trip options

Returning
Thu, Jan 28, 20276 Day Trip
$525 USD
Returning
Fri, Jan 29, 20277 Day Trip
$531 USD
Returning
Mon, Feb 1, 202710 Day Trip
$525 USD