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
Monday, February 1st, 2027
7 round-trip options
Returning
Sat, Feb 6, 2027•5 Day Trip
$844 USD
Returning
Sun, Feb 7, 2027•6 Day Trip
$528 USD
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Tue, Feb 9, 2027•8 Day Trip
$528 USD
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Thu, Feb 11, 2027•10 Day Trip
$753 USD
Returning
Fri, Feb 12, 2027•11 Day Trip
$800 USD
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Sun, Feb 14, 2027•13 Day Trip
$653 USD
Returning
Mon, Feb 15, 2027•14 Day Trip
$528 USD