Lisbon (LIS) to Boston (BOS) flight deal in economy from $512
$738 USD
-31%$512 USD
Verified about 8 hours agoFebruary 2027
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Monday, February 15th, 2027
7 round-trip options
Returning
Sat, Feb 20, 2027•5 Day Trip
$844 USD
Returning
Sun, Feb 21, 2027•6 Day Trip
$753 USD
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Tue, Feb 23, 2027•8 Day Trip
$753 USD
Returning
Thu, Feb 25, 2027•10 Day Trip
$524 USD
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Fri, Feb 26, 2027•11 Day Trip
$524 USD
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Sun, Feb 28, 2027•13 Day Trip
$524 USD
Returning
Mon, Mar 1, 2027•14 Day Trip
$516 USD