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 12 hours ago
Fair Availability
24% of dates checked are available within 10% of the lowest price

Sunday, August 2nd, 2026

5 round-trip options

Returning
Fri, Aug 7, 2026•5 Day Trip
$1,305 USD
Google Flights
Returning
Sun, Aug 9, 2026•7 Day Trip
$1,284 USD
Google Flights
Returning
Tue, Aug 11, 2026•9 Day Trip
$1,284 USD
Google Flights
Returning
Wed, Aug 12, 2026•10 Day Trip
$1,284 USD
Google Flights
Returning
Fri, Aug 14, 2026•12 Day Trip
$1,288 USD
Google Flights