LIS to BOS from $512 in economy – flightdeals.net

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Lufthansa

Round Trip•Economy

Portela Airport

Lisbon, Portugal

Logan International Airport

Boston, United States

$738 USD

-31%$512 USD

Verified 1 day ago

December 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$647 1$543 2$524 3$544 4$544 5$576 6$544 7$651 8$652 9$797 10$664 11$784 12$712 13$683 14$647 15$760 16$664 17$544 18$683 19$683 20$679 21$576 22$549 23$544 24$547 25$683 26$653 27$653 28$783 29$651 30$548 31$653 1$861 2$817 3$785

Fair Availability

24% of dates checked are available within 10% of the lowest price

Monday, December 14th, 2026

2 round-trip options

Returning

Tue, Dec 22, 2026•8 Day Trip

$664 USD

Returning

Mon, Dec 28, 2026•14 Day Trip

$647 USD