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Lisbon

$321+ Cheap flights from Boston (BOS) to Lisbon (LIS)

BOS — LIS
Dec 14 — Dec 211
Mon 12/14
Mon 12/21
1 adult, Economy
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Find cheap flights from Boston to Lisbon with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Boston Logan Intl to Lisbon Humberto Delgado are usually found in February or January, booked 15 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap flight deals from Boston to Lisbon

Cheapest flights from Boston to Lisbon

Fri 12/46:00 pm -
Nonstop6h 35m
Wed 12/911:40 am -
Nonstop8h 00m
Deal found 11/14$568
Thu 12/1010:20 pm -
Nonstop6h 35m
Wed 12/1611:40 am -
Nonstop8h 00m
Deal found 11/12$575
Sun 11/2910:50 pm -
2 stops16h 35m
Thu 12/1012:05 pm -
Nonstop8h 00m
Deal found 11/14$581
Wed 12/97:50 pm -
1 stop12h 00m
Tue 2/1611:35 am -
1 stop11h 15m
Deal found 11/13$585
Sun 11/2910:50 pm -
1 stop9h 20m
Thu 12/105:15 pm -
Nonstop8h 00m
Deal found 11/13$586
Sun 12/610:10 pm -
Nonstop6h 35m
Sat 12/129:10 pm -
2 stops28h 20m
Deal found 11/12$602
Mon 11/309:25 pm -
1 stop19h 50m
Wed 12/911:40 am -
Nonstop8h 00m
Deal found 11/13$603
Sun 11/2910:10 pm -
Nonstop6h 35m
Sun 12/66:00 am -
1 stop19h 00m
Deal found 11/13$604
Thu 12/1010:20 pm -
Nonstop6h 35m
Sat 12/199:05 pm -
2 stops28h 25m
Deal found 11/13$605
Wed 12/99:25 pm -
1 stop20h 50m
Tue 12/1511:45 am -
Nonstop8h 00m
Deal found 11/14$606

Find flight deals from Boston to Lisbon

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$568
(Kiwi.com)

One-way from

$321
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$763

Good round-trip deal

$708 or less

Good one-way deal

$358 or less
Provider with most accurate pricing for Boston Logan Intl-Lisbon Humberto Delgado flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Lisbon Humberto Delgado flights.
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From Boston Logan Intl to Lisbon Humberto Delgado
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One-way flight from Boston Logan Intl to Lisbon Humberto Delgado
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Highest demand for flights based on searches. 16% potential increase in price ($173 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in November 2026
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Price to beat on a round-trip flight from Boston Logan Intl to Lisbon Humberto Delgado.
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Price to beat on a one-way flight from Boston Logan Intl to Lisbon Humberto Delgado.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Boston to Lisbon that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Fri 4/9

5:45 pm-5:20 am

Nonstop6h 35m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$355

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Fri 2/5

10:10 pm-9:45 am

Nonstop6h 35m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$355

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Fri 4/30

5:45 pm-5:20 am

Nonstop6h 35m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$397

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Mon 1/25

11:30 am-10:00 am

1 stop17h 30m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$481

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sun 1/3

9:30 pm-8:55 am

Nonstop6h 25m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$494
Quickest round-trip

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sun 3/14

10:40 pm-8:55 am

Nonstop6h 15m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$494

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Thu 4/29

12:27 pm-10:20 am

1 stop16h 53m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$501

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Tue 3/23

6:30 pm-6:55 am

3 stops32h 25m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$511

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sun 12/27

9:30 pm-5:45 pm

1 stop15h 15m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$581

BostonLisbon

BOS Boston Logan Intl - LIS Lisbon Humberto Delgado

BOSLIS

Boston Logan Intl

Sat 4/17

11:25 pm-10:45 am

Nonstop6h 20m

Lisbon Humberto Delgado

Wed 12/31

12:00 am-6:00 pm

Nonstop0h 00m

$595

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Boston to Lisbon

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Lisbon in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Lisbon flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Boston-Lisbon flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Boston-Lisbon flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Lisbon flights, Cheapflights users trust Ovago the most. Ovago has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Lisbon flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Lisbon

Have a flexible travel schedule? Discover the best time to fly to Lisbon from Boston with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Boston to Lisbon

How far ahead should I book a flight from Boston to Lisbon?

The best time to book flights from Boston to Lisbon is 14 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Boston to Lisbon?

Currently, February is the cheapest month in which you can book a flight from Boston to Lisbon (average of $706). Flying from Boston to Lisbon in June is currently the most expensive (average of $1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to LIS?

When flying from Boston to Lisbon, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Boston to Lisbon?

Airfare is below average for this route at the moment.

Boston to Lisbon flights typically cost between $655 and $909 in December.
The cheapest round-trip price found within the last 5 days was $568 on TAP AIR PORTUGAL (Dec 4-Dec 9).

The best insider tips for Boston to Lisbon flights

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Lisbon trip
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LIS

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more

Reviews of airlines servicing Lisbon

Peruse reviews from past customers who have flown with KLM,Delta, andAir France from Boston to Lisbon to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,599 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
KLM
7.8
Good
1,599 reviews
KLM
7.8
Good
1,599 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Delta
7.8
Good
8,719 reviews
KLM
7.8
Good
1,599 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Air France
7.5
Good
1,648 reviews
KLM
7.8
Good
1,599 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
Virgin Atlantic
7.5
Good
698 reviews
KLM
7.8
Good
1,599 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.
TAP AIR PORTUGAL
7.2
Good
2,396 reviews
KLM
7.8
Good
1,599 reviews

Crew

8.4

Entertainment

7.2

Overall

7.8

Comfort

7.7

Food

7.3

Boarding

7.8

Reviews

1 / 20
8.0
Excellent

Kushal,Sep 2026

QRO - ATL

It was a nice one. Crew were friendly and helpful.

Related info for your journey

  • What airports do I use to fly from Boston to Lisbon?

    Lisbon Humberto Delgado is the airport most travelers will use when flying to Lisbon from Boston Logan Intl. Booking flights from Logan Intl (BOS) to Humberto Delgado (LIS) should be relatively easy as there are 7 daily flights to Lisbon from 19 different airlines. 6h 20m is how long a flight from Boston to Lisbon Humberto Delgado will take if you book a nonstop flight.

  • How popular is this Boston to Lisbon flight route?

    This flight path from Boston Logan Intl to Lisbon Humberto Delgado was viewed by 181 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Boston to Lisbon?

    For as low as $740, TAP AIR PORTUGAL can have you in Lisbon from Boston in 6h 35m. The distance between Boston and Lisbon is about 3182 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Boston to Lisbon round-trip?

    According to our current data, Virgin Atlantic ($297), LEVEL ($351), and Azores Airlines ($366) offers the cheapest pricing from Boston to Lisbon. Virgin Atlantic is 65% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to Lisbon one-way?

    $202 is the cheapest one-way deal found within the past few days, from KLM. You may also be able to find cheap deals on Virgin Atlantic and LEVEL, with prices starting from $202 and $229, respectively.

  • What are the most reliable airlines from Boston to Lisbon?

    No one likes to see their flight delayed. When booking a flight from Boston to Lisbon consider choosing airBaltic (97%), Emirates (97%) or JetBlue (94%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Boston to Lisbon?

    The cheapest flight price from Boston to Lisbon is $293. On average you can expect to pay $1,338. The most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), can usually be booked for $141.

  • Where are the most common layover locations when flying from Boston to Lisbon?

    Flights departing from Boston and landing in Lisbon layover in Ponta Delgada most frequently. Madrid sees the second most layovers for non-direct flights flying from Boston to Lisbon.

  • What are some popular points of interest to see during a layover in Madrid?

    The majority of Madrid visitors spend their time at Plaza Mayor, Puerta del Sol, and Spain Building. Travelers on a layover in Madrid can visit Plaza Mayor, Puerta del Sol, and Spain Building, by traveling 8.6 mi, 8.4 mi, and 8.5 mi, respectively after landing at Madrid Barajas. Those landing in Madrid looking to spend some time exploring during their layover can rent a car for about $25 per day.

  • Where are the least popular layover locations for Boston to Lisbon flights?

    The least popular layover on flights from Boston to Lisbon is Barcelona.

  • Can I find deals for flights from Boston to Lisbon that include hotel bookings?

    Yes. In addition to deals on Boston to Lisbon flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Lisbon?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Lisbon.

  • Can I find deals for business class flights from Boston to Lisbon?

    Yes. Cheapflights offers flight deals from Boston to Lisbon by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Lisbon?

    Currently, February is the cheapest month in which you can book a flight from Boston to Lisbon (average of $706). Flying from Boston to Lisbon in June is currently the most expensive (average of $1,092). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Lisbon?

Book flights to Lisbon if you plan to visit one of these locations
Fátima
Ericeira
Oeiras
Torres Vedras
Beja
Nazaré
Colares
Sesimbra

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Boston to Lisbon

AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest$297Average$876FlexibilityNo cancel feeOn-time72%
LEVELCheapest$351Average$678FlexibilityNo cancel feeOn-timeN/A
Azores AirlinesCheapest$366Average$814FlexibilityNo cancel feeOn-time74%
IcelandairCheapest$396Average$566FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$400Average$678FlexibilityNo cancel feeOn-time70%
IberiaCheapest$475Average$748FlexibilityNo cancel feeOn-time77%
Scandinavian AirlinesCheapest$478Average$537FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$495Average$651FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$502Average$587FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$508Average$780FlexibilityNo cancel feeOn-time69%

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