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
Wednesday, November 11th, 2026
3 round-trip options
Returning
Mon, Nov 16, 2026•5 Day Trip
$509 USD
Returning
Tue, Nov 17, 2026•6 Day Trip
$509 USD
Returning
Sun, Nov 22, 2026•11 Day Trip
$509 USD