
$419 Cheap British Airways flights from Boston to Lisbon (BOS to LIS)
Find The Best Day To Fly from Boston to Lisbon
Amazing British Airways BOS to LIS Flight Deals
The cheapest flights to Humberto Delgado found within the past 7 days were $494 round trip and $419 one way. Prices and availability subject to change. Additional terms may apply.
LIS From BOS Economy Coach Packages on Similar Airlines



Frequently asked questions
Discover our best British Airways flight from Boston BOS to Lisbon LIS
To find the best deals on flights to Boston from Lisbon with British Airways, just enter your travel dates, filter by British Airways, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.
Return flights from Boston BOS to Lisbon LIS with British Airways
If you’re planning a round trip, booking return flights with British Airways is usually the most cost-effective option. With airfares ranging from $494 to $506, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply.
Book one-way British Airways flights from Boston BOS to Lisbon LIS
A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way British Airways flight from Boston to Lisbon costs from $419. Prices and availability subject to change. Additional terms may apply.
