฿9,825 Cheap Flights from Boston (BOS) to Lisbon (LIS)

View ฿9,825 flight on Sun, 19 Oct 2025Opens in a new window

Popular airlines from Logan International Airport (BOS) to Humberto Delgado Airport (LIS)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Boston (BOS) to Lisbon (LIS)

Prices were available within the past 7 days and start at ฿9,825 for one-way flights and ฿22,495 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿22,495 Return, found 6 days ago
฿22,495
Return
found 6 days ago
Select United flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿22,495 found 6 days ago
United
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿22,720 Return, found 6 days ago
฿22,720
Return
found 6 days ago
Select United flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿22,720 found 6 days ago
Icelandair
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿24,040 Return, found 6 days ago
฿24,040
Return
found 6 days ago
Select Icelandair flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿24,040 found 6 days ago
United
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿24,245 Return, found 6 days ago
฿24,245
Return
found 6 days ago
Select United flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿24,245 found 6 days ago
United
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿24,470 Return, found 6 days ago
฿24,470
Return
found 6 days ago
Select United flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿24,470 found 6 days ago
SATA International-Azores Airlines S.A.
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿27,230 Return, found 6 days ago
฿27,230
Return
found 6 days ago
Select SATA International-Azores Airlines S.A. flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿27,230 found 6 days ago
Delta
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿27,485 Return, found 6 days ago
฿27,485
Return
found 6 days ago
Select Delta flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿27,485 found 6 days ago
TAP Portugal
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿29,830 Return, found 6 days ago
฿29,830
Return
found 6 days ago
Select TAP Portugal flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿29,830 found 6 days ago
Iberia
Sun, 19 Oct - Thu, 23 Oct
BOS
Boston
LIS
Lisbon
฿33,890 Return, found 6 days ago
฿33,890
Return
found 6 days ago
Select Iberia flight, departing Sun, 19 Oct from Boston to Lisbon, returning Thu, 23 Oct, priced at ฿33,890 found 6 days ago
Delta
Tue, 23 Dec - Sun, 4 Jan
BOS
Boston
LIS
Lisbon
฿39,455 Return, found 11 hours ago
฿39,455
Return
found 11 hours ago
Select Delta flight, departing Tue, 23 Dec from Boston to Lisbon, returning Sun, 4 Jan, priced at ฿39,455 found 11 hours ago

Find the cheapest month to fly from Boston (BOS) to Lisbon (LIS)

November is typically the cheapest month to fly

From ฿10,960 - ฿23,051 per traveller.
Flight from Boston to Lisbon route information
Origin airport
Logan Intl.
Destination airport
Humberto Delgado
Airlines serving
Air Canada, Air France, American Airlines, British Airways, Delta, Iberia, KLM, Lufthansa, SATA International-Azores Airlines S.A., Swiss International Air Lines, TAP Portugal, Turkish Airlines
Return price
฿22,495
Distance
5096 km
Average flight time
11 hours 28 mins

Perfect flights from Boston to Lisbon

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Boston to Lisbon. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Lisbon District, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Logan Intl. to Humberto Delgado ticket options cater to your travel preferences, with incredible one-way fares from ฿9,825 and roundtrip prices from ฿22,495. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Humberto Delgado and explore Lisbon District and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your BOS to LIS travel arrangements today and embark on the journey of a lifetime in Lisbon.

Frequently asked questions

How much is a flight from BOS to Lisbon Airport?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip flights from Logan Intl. Airport to Lisbon/Portela Airport start from ฿22,495. Book now to secure the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BOS to Lisbon/Portela Airport?
This can differ from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where you'll find simple instructions on how to cancel your flight online.
How do I find cheap flights from Logan Intl. Airport to Humberto Delgado Airport (LIS) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Logan Intl. Airport to Lisbon Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Logan Intl. Airport to LIS?
With a flight distance of 5,100 kilometres from Logan Intl. Airport (BOS) to Lisbon Airport (LIS), this is a long flight. Be sure to drink plenty of water and get up to stretch your legs every now and then.
Which airlines fly direct from BOS to Lisbon/Portela Airport?
Flying straight from BOS to Humberto Delgado Airport (LIS) is simple with TAP Portugal (TP). This leading airline offers 43 flights every month.
Are Logan Intl. Airport to Lisbon/Portela Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest fares from Logan Intl. Airport (BOS) to LIS appearing a few weeks prior to the departure date. If you'd rather plan ahead, Expedia compares and updates all the best flight deals frequently — as early as 12 months in advance in some cases. It depends on the carrier though, as not every airline advertises prices so far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.