Helsinki (HEL) to Boston (BOS) flight deal in economy from $441
$688 USD
-36%$441 USD
Verified 17 days agoAugust 2026
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Fair Availability
22% of dates checked are available within 10% of the lowest price
Monday, August 17th, 2026
4 round-trip options
Returning
Sat, Aug 22, 2026•5 Day Trip
$1,149 USD
Returning
Tue, Aug 25, 2026•8 Day Trip
$673 USD
Returning
Thu, Aug 27, 2026•10 Day Trip
$673 USD
Returning
Mon, Aug 31, 2026•14 Day Trip
$646 USD