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

Wednesday, January 6th, 2027

3 round-trip options

Returning
Tue, Jan 12, 20276 Day Trip
$598 USD
Returning
Wed, Jan 13, 20277 Day Trip
$598 USD
Returning
Sat, Jan 16, 202710 Day Trip
$591 USD