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

Wednesday, September 23rd, 2026

4 round-trip options

Returning
Wed, Sep 30, 20267 Day Trip
$770 USD
Returning
Mon, Oct 5, 202612 Day Trip
$652 USD
Returning
Tue, Oct 6, 202613 Day Trip
$683 USD
Returning
Wed, Oct 7, 202614 Day Trip
$770 USD