Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoNovember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
6% of dates checked are available within 10% of the lowest price
Sunday, November 22nd, 2026
3 round-trip options
Returning
Fri, Nov 27, 2026•5 Day Trip
$588 USD
Returning
Sat, Nov 28, 2026•6 Day Trip
$721 USD
Returning
Thu, Dec 3, 2026•11 Day Trip
$492 USD