$416 Cheap Flights from Lisbon (LIS) to Boston (BOS)

View $416 flight on Tue, Sep 23, 2025Opens in a new window

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

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Cheap Flights from Lisbon to Boston (LIS-BOS)

Prices were available within the past 7 days and start at $416 for one-way flights and $468 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fly Play
Fri, Sep 5 - Thu, Sep 11
LIS
Lisbon
BOS
Boston
$468 Roundtrip, found 2 days ago
$468
Roundtrip
found 2 days ago
Select Fly Play flight, departing Fri, Sep 5 from Lisbon to Boston, returning Thu, Sep 11, priced at $468 found 2 days ago
TAP Portugal
Fri, Nov 7 - Sat, Nov 15
LIS
Lisbon
BOS
Boston
$526 Roundtrip, just found
$526
Roundtrip
just found
Select TAP Portugal flight, departing Fri, Nov 7 from Lisbon to Boston, returning Sat, Nov 15, priced at $526 just found
Scandinavian Airlines
Fri, Nov 21 - Sun, Dec 7
LIS
Lisbon
BOS
Boston
$529 Roundtrip, found 2 days ago
$529
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Fri, Nov 21 from Lisbon to Boston, returning Sun, Dec 7, priced at $529 found 2 days ago
Delta
Sat, Dec 6 - Sun, Dec 7
LIS
Lisbon
BOS
Boston
$589 Roundtrip, found 6 days ago
$589
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Dec 6 from Lisbon to Boston, returning Sun, Dec 7, priced at $589 found 6 days ago
British Airways
Fri, Mar 13 - Tue, Mar 17
LIS
Lisbon
BOS
Boston
$598 Roundtrip, found 3 days ago
$598
Roundtrip
found 3 days ago
Select British Airways flight, departing Fri, Mar 13 from Lisbon to Boston, returning Tue, Mar 17, priced at $598 found 3 days ago
American Airlines
Thu, Nov 27 - Tue, Dec 2
LIS
Lisbon
BOS
Boston
$601 Roundtrip, just found
$601
Roundtrip
just found
Select American Airlines flight, departing Thu, Nov 27 from Lisbon to Boston, returning Tue, Dec 2, priced at $601 just found
Iberia
Fri, Mar 13 - Tue, Mar 17
LIS
Lisbon
BOS
Boston
$615 Roundtrip, found 3 days ago
$615
Roundtrip
found 3 days ago
Select Iberia flight, departing Fri, Mar 13 from Lisbon to Boston, returning Tue, Mar 17, priced at $615 found 3 days ago
Aer Lingus
Thu, Nov 6 - Wed, Nov 12
LIS
Lisbon
BOS
Boston
$627 Roundtrip, found 1 hour ago
$627
Roundtrip
found 1 hour ago
Select Aer Lingus flight, departing Thu, Nov 6 from Lisbon to Boston, returning Wed, Nov 12, priced at $627 found 1 hour ago
Lufthansa
Tue, Sep 23 - Sun, Oct 5
LIS
Lisbon
BOS
Boston
$637 Roundtrip, found 4 days ago
$637
Roundtrip
found 4 days ago
Select Lufthansa flight, departing Tue, Sep 23 from Lisbon to Boston, returning Sun, Oct 5, priced at $637 found 4 days ago
Swiss International Air Lines
Wed, May 6 - Sat, May 16
LIS
Lisbon
BOS
Boston
$646 Roundtrip, found 1 day ago
$646
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, May 6 from Lisbon to Boston, returning Sat, May 16, priced at $646 found 1 day ago

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

January is typically the cheapest month to fly

From $316 - $960 per traveler.

Graph displaying average flight prices per month

Flights from Lisbon (LIS) to Boston (BOS)
Origin airport
Humberto Delgado
Destination airport
Logan Intl.
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, SATA International-Azores Airlines S.A., Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United, Virgin Atlantic
Roundtrip price
$467
Distance
3185 mi
Average flight time
2 hours 30 mins

Lisbon to Boston Flights

The cheapest times to fly from Lisbon to Boston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Lisbon to Boston are during the month of September. You can find some of the cheapest flights from Lisbon to Boston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Lisbon to Boston

Sunday is one of the best days to book for cheap flights from Lisbon to Boston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Lisbon to Boston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Lisbon to Boston in 2025. You can also book with separate airlines for your outbound and return journeys, from $416 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Lisbon to Boston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Lisbon to Boston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS) cost?
You can score cheap return flights from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS) starting from $523. Book a seat and get ready to go. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a TAP Portugal flight leaving LIS on July 16 2025 and touching down at BOS. The price was last updated on July 1 2025 and has not changed since.
What is the cheapest month to fly from LIS to BOS?
The cheapest flights from LIS to BOS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
When heading out of Humberto Delgado Airport (LIS), you can jump on a direct flight to Logan Intl. Airport (BOS) with TAP Portugal.
What is the cheapest airline that flies from LIS to BOS?
With fares starting at $475 for a one-way flight from LIS to BOS, TAP Portugal is currently the cheapest airline flying this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LIS on September 25 2025. Prices were last updated on July 1 2025 and have not changed since.
How many flights per day from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
On average, just 1 direct flight departs each day from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS). Need more options? Use our filters to find flights with layovers and squeeze another destination into your itinerary.
What are the most popular departure times for flights from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
Flights between LIS and BOS are their busiest at 11 AM. If you want a more relaxed trip and potentially cheaper prices, look for a time when demand is lower.
What day of the week has the most flights from LIS to BOS?
If you depart on a Friday, you'll get the biggest range of choices for flights from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS).
What is the earliest flight from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
Humberto Delgado Airport (LIS)'s first flight to Logan Intl. Airport (BOS) departs at approximately 11:35AM UTC+0. With a total journey time of 7h 50m, you'll touch down at around 2:25PM UTC-5.
How long does it take to fly from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
The average flight duration from LIS to BOS is 7 hours and 50 minutes, covering a total distance of 3,200 mi.
What airline has the least delays from LIS to BOS?
Delta Air Lines has the strongest track record for on-time direct flights from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS), with an on-time rating of 83%. Use the Expedia App to see your journey status before you leave and receive notifications about any trip changes.
What is the best time to fly from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
To touch down at Logan Intl. Airport (BOS) on schedule, select a flight that takes off from Humberto Delgado Airport (LIS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Boston from Humberto Delgado Airport (LIS)?
If you're taking a direct flight from Humberto Delgado Airport (LIS) to Boston, Logan Intl. Airport (BOS) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS) last-minute?
Waiting until just before your departure to book a ticket from LIS to BOS often results in higher prices. While you may come across some last-minute offers, they aren't always guaranteed. Allow some flexibility in your schedule for a better chance of scoring a bargain.
Is it cheaper to book a LIS to BOS flight and hotel package?
Booking a LIS to BOS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our extensive range of stays and then add flights, car rentals and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Humberto Delgado Airport (LIS) to Logan Intl. Airport (BOS)?
Typically, it's possible to reschedule or cancel your LIS to BOS flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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