Boston (BOS) to Helsinki (HEL) flight deal in economy from $375
$646 USD
-42%$375 USD
Verified about 24 hours agoJanuary 2027
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Fair Availability
25% of dates checked are available within 10% of the lowest price
Sunday, January 3rd, 2027
10 round-trip options
Returning
Fri, Jan 8, 2027•5 Day Trip
$652 USD
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Sat, Jan 9, 2027•6 Day Trip
$652 USD
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Sun, Jan 10, 2027•7 Day Trip
$750 USD
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Mon, Jan 11, 2027•8 Day Trip
$438 USD
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Tue, Jan 12, 2027•9 Day Trip
$407 USD
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Wed, Jan 13, 2027•10 Day Trip
$407 USD
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Thu, Jan 14, 2027•11 Day Trip
$407 USD
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Fri, Jan 15, 2027•12 Day Trip
$407 USD
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Sat, Jan 16, 2027•13 Day Trip
$438 USD
Returning
Sun, Jan 17, 2027•14 Day Trip
$520 USD