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
Wednesday, January 6th, 2027
5 round-trip options
Returning
Mon, Jan 11, 2027•5 Day Trip
$832 USD
Returning
Tue, Jan 12, 2027•6 Day Trip
$817 USD
Returning
Thu, Jan 14, 2027•8 Day Trip
$817 USD
Returning
Sat, Jan 16, 2027•10 Day Trip
$767 USD
Returning
Sun, Jan 17, 2027•11 Day Trip
$767 USD