Boston (BOS) to Helsinki (HEL) flight deal in economy from $391
$713 USD
-45%$391 USD
Verified 12 days agoJuly 2026
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Rare Availability
6% of dates checked are available within 10% of the lowest price
Friday, July 31st, 2026
3 round-trip options
Returning
Sat, Aug 8, 2026•8 Day Trip
$3,974 USD
Returning
Mon, Aug 10, 2026•10 Day Trip
$3,974 USD
Returning
Thu, Aug 13, 2026•13 Day Trip
$3,974 USD