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

Saturday, January 23rd, 2027

3 round-trip options

Returning
Fri, Jan 29, 20276 Day Trip
$531 USD
Returning
Sat, Jan 30, 20277 Day Trip
$539 USD
Returning
Tue, Feb 2, 202710 Day Trip
$531 USD