Lisbon (LIS) to Boston (BOS) flight deal in economy from $512
$738 USD
-31%$512 USD
Verified about 11 hours agoFebruary 2027
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Wednesday, February 17th, 2027
7 round-trip options
Returning
Mon, Feb 22, 2027•5 Day Trip
$753 USD
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Tue, Feb 23, 2027•6 Day Trip
$753 USD
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Thu, Feb 25, 2027•8 Day Trip
$761 USD
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Sat, Feb 27, 2027•10 Day Trip
$652 USD
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Sun, Feb 28, 2027•11 Day Trip
$652 USD
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Tue, Mar 2, 2027•13 Day Trip
$524 USD
Returning
Wed, Mar 3, 2027•14 Day Trip
$524 USD