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

Sunday, January 24th, 2027

3 round-trip options

Returning
Sat, Jan 30, 20276 Day Trip
$539 USD
Returning
Sun, Jan 31, 20277 Day Trip
$539 USD
Returning
Wed, Feb 3, 202710 Day Trip
$531 USD