Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoAugust 2026
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Rare Availability
6% of dates checked are available within 10% of the lowest price
Thursday, August 6th, 2026
3 round-trip options
Returning
Fri, Aug 14, 2026•8 Day Trip
$1,200 USD
Returning
Sun, Aug 16, 2026•10 Day Trip
$1,278 USD
Returning
Wed, Aug 19, 2026•13 Day Trip
$1,417 USD
