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

Wednesday, January 27th, 2027

3 round-trip options

Returning
Tue, Feb 2, 20276 Day Trip
$531 USD
Returning
Wed, Feb 3, 20277 Day Trip
$525 USD
Returning
Sat, Feb 6, 202710 Day Trip
$525 USD