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

Sunday, October 25th, 2026

4 round-trip options

Returning
Sun, Nov 1, 20267 Day Trip
$787 USD
Returning
Fri, Nov 6, 202612 Day Trip
$783 USD
Returning
Sat, Nov 7, 202613 Day Trip
$731 USD
Returning
Sun, Nov 8, 202614 Day Trip
$731 USD