Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoDecember 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
6% of dates checked are available within 10% of the lowest price
Tuesday, December 22nd, 2026
3 round-trip options
Returning
Sun, Dec 27, 2026•5 Day Trip
$999 USD
Returning
Mon, Dec 28, 2026•6 Day Trip
$947 USD
Returning
Sat, Jan 2, 2027•11 Day Trip
$1,070 USD
