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

Tuesday, January 5th, 2027

3 round-trip options

Returning
Mon, Jan 11, 20276 Day Trip
$591 USD
Returning
Tue, Jan 12, 20277 Day Trip
$591 USD
Returning
Fri, Jan 15, 202710 Day Trip
$598 USD