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
Friday, January 8th, 2027
7 round-trip options
Returning
Wed, Jan 13, 2027•5 Day Trip
$781 USD
Returning
Thu, Jan 14, 2027•6 Day Trip
$766 USD
Returning
Sat, Jan 16, 2027•8 Day Trip
$766 USD
Returning
Mon, Jan 18, 2027•10 Day Trip
$529 USD
Returning
Tue, Jan 19, 2027•11 Day Trip
$529 USD
Returning
Thu, Jan 21, 2027•13 Day Trip
$717 USD
Returning
Fri, Jan 22, 2027•14 Day Trip
$545 USD