Lisbon (LIS) to Boston (BOS) flight deal in economy from $512
$738 USD
-31%$512 USD
Verified about 11 hours agoFebruary 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
24% of dates checked are available within 10% of the lowest price
Saturday, February 20th, 2027
7 round-trip options
Returning
Thu, Feb 25, 2027•5 Day Trip
$648 USD
Returning
Fri, Feb 26, 2027•6 Day Trip
$648 USD
Returning
Sun, Feb 28, 2027•8 Day Trip
$648 USD
Returning
Tue, Mar 2, 2027•10 Day Trip
$648 USD
Returning
Wed, Mar 3, 2027•11 Day Trip
$648 USD
Returning
Fri, Mar 5, 2027•13 Day Trip
$787 USD
Returning
Sat, Mar 6, 2027•14 Day Trip
$648 USD