Lisbon (LIS) to Boston (BOS) flight deal in economy from $512
$738 USD
-31%$512 USD
Verified 1 day agoJanuary 2027
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Fair Availability
24% of dates checked are available within 10% of the lowest price
Tuesday, January 26th, 2027
7 round-trip options
Returning
Sun, Jan 31, 2027•5 Day Trip
$516 USD
Returning
Mon, Feb 1, 2027•6 Day Trip
$516 USD
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Wed, Feb 3, 2027•8 Day Trip
$516 USD
Returning
Fri, Feb 5, 2027•10 Day Trip
$528 USD
Returning
Sat, Feb 6, 2027•11 Day Trip
$516 USD
Returning
Mon, Feb 8, 2027•13 Day Trip
$518 USD
Returning
Tue, Feb 9, 2027•14 Day Trip
$528 USD