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

Friday, January 29th, 2027

3 round-trip options

Returning
Thu, Feb 4, 20276 Day Trip
$531 USD
Returning
Fri, Feb 5, 20277 Day Trip
$531 USD
Returning
Mon, Feb 8, 202710 Day Trip
$525 USD