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

Saturday, August 1st, 2026

5 round-trip options

Returning
Thu, Aug 6, 20265 Day Trip
$1,358 USD
Returning
Sat, Aug 8, 20267 Day Trip
$1,411 USD
Returning
Mon, Aug 10, 20269 Day Trip
$1,358 USD
Returning
Tue, Aug 11, 202610 Day Trip
$1,358 USD
Returning
Thu, Aug 13, 202612 Day Trip
$1,358 USD