Lisbon (LIS) to Boston (BOS) flight deal in economy from $512

Saturday, October 31st, 2026

4 round-trip options

Returning
Sat, Nov 7, 20267 Day Trip
$679 USD
Returning
Thu, Nov 12, 202612 Day Trip
$770 USD
Returning
Fri, Nov 13, 202613 Day Trip
$711 USD
Returning
Sat, Nov 14, 202614 Day Trip
$766 USD