Lisbon (LIS) to Boston (BOS) flight deal in economy from $512
$738 USD
-31%$512 USD
Verified 1 day agoJanuary 2027
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Fair Availability
24% of dates checked are available within 10% of the lowest price
Monday, January 18th, 2027
7 round-trip options
Returning
Sat, Jan 23, 2027•5 Day Trip
$530 USD
Returning
Sun, Jan 24, 2027•6 Day Trip
$518 USD
Returning
Tue, Jan 26, 2027•8 Day Trip
$518 USD
Returning
Thu, Jan 28, 2027•10 Day Trip
$528 USD
Returning
Fri, Jan 29, 2027•11 Day Trip
$528 USD
Returning
Sun, Jan 31, 2027•13 Day Trip
$765 USD
Returning
Mon, Feb 1, 2027•14 Day Trip
$755 USD