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

LufthansaLHLufthansa
Round Trip•Economy
PortugalLIS

Portela Airport

Lisbon, Portugal
United StatesBOS

Logan International Airport

Boston, United States
$738 USD
-31%$512 USD
Verified about 17 hours ago
Fair Availability
24% of dates checked are available within 10% of the lowest price

Tuesday, August 4th, 2026

5 round-trip options

Returning
Sun, Aug 9, 2026•5 Day Trip
$1,221 USD
Google Flights
Returning
Tue, Aug 11, 2026•7 Day Trip
$1,215 USD
Google Flights
Returning
Thu, Aug 13, 2026•9 Day Trip
$1,204 USD
Google Flights
Returning
Fri, Aug 14, 2026•10 Day Trip
$1,226 USD
Google Flights
Returning
Sun, Aug 16, 2026•12 Day Trip
$1,204 USD
Google Flights