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Boston (BOS) » Portugal » BOS to LIS
Good to Know - Flights from Boston to Lisbon
October
Best time to beat the crowds
January
Most popular time to fly
$ 504.00
or less (round trip)
Top Tips for Finding Cheap Flights from Boston to Lisbon
Looking for cheap airfare from Boston to Lisbon? 25% of our users found round-trip tickets to Lisbon for the following price or less: $ 504.00 Book at least 4 weeks before departure in order to get a below-average price. High season is considered to be January. The cheapest month to fly from Boston to Lisbon is October. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Boston to Lisbon flight deals.
FAQs - Booking from Boston to Lisbon flights
A flight from Boston to Lisbon takes 10hours.
The cheapest flight Boston to Lisbon found on flyus.com in the last 72 hours was $504.00 round-trip.
Find cheap flights from Boston to Lisbon and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.
Cheapest Flights
from Boston, United States (BOS) to:
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Lisbon, Portugal (LIS)Jul 24, 25 - Jul 28, 25$504.00
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Lisbon, Portugal (LIS)Aug 26, 25 - Aug 28, 25$514.00
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Lisbon, Portugal (LIS)Jul 10, 25 - Jul 15, 25$578.00
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Lisbon, Portugal (LIS)Jan 25, 25 - Jan 27, 25$580.11
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Lisbon, Portugal (LIS)Mar 17, 25 - Apr 02, 25$604.11
