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$282+ Cheap flights from Boston (BOS) to Lisbon (LIS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boston Logan Intl to Lisbon Humberto Delgado are usually found in February or January, booked 57 days in advance, depart on a Tuesday or Sunday and return on a Thursday

Cheap flight deals from Boston to Lisbon

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Lisbon (LIS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated juin 12, 2025.

Round-trip from

$496
(Kiwi.com)

One-way from

$282
(Kiwi.com)

Popular in

June

Cheapest in

February

Average price

$1,016

Good round-trip deal

$695 or less

Good one-way deal

$383 or less
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. 12% potential increase in price ($115 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 June 2025
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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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Find flight deals from Boston to Lisbon

Cheapest flights from Boston to Lisbon
Explore the most affordable flight options available from Boston to Lisbon. Find the lowest fares from popular airlines and budget airlines, with prices last updated on juin 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/1511:00 pmBOS - LIS
1 stop13h 05mVueling
jeu. 10/22:00 pmLIS - BOS
1 stop12h 15mVueling
Deal found 6/12$495
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 8/176:10 pmBOS - LIS
Nonstop6h 30mMultiple Airlines
jeu. 9/189:10 amLIS - BOS
1 stop17h 05mMultiple Airlines
Deal found 6/10$496
This oojo deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 10/16:10 pmBOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
ven. 10/1010:00 pmLIS - BOS
1 stop27h 20mTAP AIR PORTUGAL
Deal found 6/11$497
This Iberia deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/511:55 pmBOS - LIS
1 stop15h 45mIberia
mer. 10/159:10 amLIS - BOS
1 stop17h 05mIberia
Deal found 6/12$499
This Scandinavian Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 11/305:35 pmBOS - LIS
1 stop17h 30mScandinavian Airlines
lun. 2/94:55 pmLIS - BOS
2 stops34h 39mScandinavian Airlines
Deal found 6/11$507
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/2711:35 pmBOS - LIS
1 stop16h 45mIcelandair
dim. 10/510:25 pmLIS - BOS
1 stop25h 25mIcelandair
Deal found 6/12$574
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/185:50 amBOS - LIS
1 stop22h 30mUnited Airlines
jeu. 8/285:05 amLIS - BOS
1 stop20h 05mUnited Airlines
Deal found 6/9$602
This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 9/208:10 pmBOS - LIS
1 stop22h 00mFinnair
mar. 9/306:35 amLIS - BOS
1 stop18h 15mFinnair
Deal found 6/10$611
This Expedia deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/247:40 pmBOS - LIS
1 stop15h 00mBritish Airways
lun. 9/2912:30 pmLIS - BOS
1 stop12h 20mBritish Airways
Deal found 6/11$612
This Air Canada deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/1912:15 pmBOS - LIS
2 stops16h 05mAir Canada
mer. 9/1711:25 amLIS - BOS
1 stop11h 30mAir Canada
Deal found 6/12$616
This Travelocity deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/155:30 pmBOS - LIS
1 stop12h 15mAer Lingus
ven. 8/2210:15 pmLIS - BOS
1 stop21h 25mAer Lingus
Deal found 6/10$617
This FlightHub deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 9/1710:00 pmBOS - LIS
1 stop20h 30mLufthansa
lun. 9/225:05 amLIS - BOS
1 stop20h 05mLufthansa
Deal found 6/12$627

Cheapflights Fare Finder

Customize your flight search to find flights from Boston to Lisbon that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juin 12, 2025.
Use the filters below to find and compare flights from Boston to Lisbon that are best for you.

Fly from

Boston

Fly to

Lisbon

Route

Depart

Return

Price

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

lun. 9/15

11:00 pm-5:05 pm

1 stop13h 05m

Lisbon Humberto Delgado

jeu. 10/2

2:00 pm-9:15 pm

1 stop12h 15m

$495

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dim. 8/17

6:10 pm-5:40 am

Nonstop6h 30m

Lisbon Humberto Delgado

jeu. 9/18

9:10 am-9:15 pm

1 stop17h 05m

$496

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

mer. 10/1

6:10 pm-5:40 am

Nonstop6h 30m

Lisbon Humberto Delgado

ven. 10/10

10:00 pm-8:20 pm

1 stop27h 20m

$497

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dim. 10/5

11:55 pm-8:40 pm

1 stop15h 45m

Lisbon Humberto Delgado

mer. 10/15

9:10 am-9:15 pm

1 stop17h 05m

$499

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

dim. 11/30

5:35 pm-4:05 pm

1 stop17h 30m

Lisbon Humberto Delgado

lun. 2/9

4:55 pm-10:34 pm

2 stops34h 39m

$507

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

sam. 9/27

11:35 pm-9:20 pm

1 stop16h 45m

Lisbon Humberto Delgado

dim. 10/5

10:25 pm-6:50 pm

1 stop25h 25m

$574

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

lun. 8/18

10:20 am-9:20 am

1 stop18h 00m

Lisbon Humberto Delgado

mar. 9/23

5:05 am-8:10 pm

1 stop20h 05m

$602

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

sam. 9/20

8:10 pm-11:10 pm

1 stop22h 00m

Lisbon Humberto Delgado

mar. 9/30

6:35 am-7:50 pm

1 stop18h 15m

$611

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

mer. 9/24

7:40 pm-3:40 pm

1 stop15h 00m

Lisbon Humberto Delgado

lun. 9/29

12:30 pm-7:50 pm

1 stop12h 20m

$612

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

mar. 8/19

12:15 pm-9:20 am

2 stops16h 05m

Lisbon Humberto Delgado

mer. 9/17

11:25 am-5:55 pm

1 stop11h 30m

$616

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 results
1
2

The best insider tips for Boston to Lisbon flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Lisbon trip
Airports
BOS

Use the FlyLogan app for real-time flight updates and pre-order food via BOS2GO, saving time before your evening departure.

Read more about BOSby Paul Rubio
LIS

Expect long lines at immigration during peak morning and early afternoon arrivals. Plan extra time for this process.

Read more about LISby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on LIS

Ramsey Qubein

Ramsey Qubein

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

Paul Rubio

Paul Rubio

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

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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?

Use this chart to determine the optimal time to book a round-trip flight from Boston to Lisbon. Price data was last updated on June 9, 2025.

The best time to book flights from Boston to Lisbon is 57 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, January is the cheapest month in which you can book a flight from Boston to Lisbon (average of $612). Flying from Boston to Lisbon in June is currently the most expensive (average of $1,136). 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?

Find hourly flight availability from Boston to Lisbon. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated juin 12, 2025.

It’s typically best to fly out from Boston to Lisbon at noon. Doing so could potentially save you 59% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Boston to Lisbon?

Use this chart to determine the cheapest time to fly round-trip from Boston to Lisbon. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boston to Lisbon flight should consider departing on Tuesday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Boston to Lisbon

Explore weekly flight availability from Boston to Lisbon. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juin 12, 2025.

The most flights from BOS to LIS are scheduled on a Monday (9 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Lisbon by month

Plan your trip to Lisbon by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Lisbon ranges from 0.2 - 4.8 inches per month. December is typically the wettest month, when rainfall can reach 4.8 in. July is typically the driest time to visit Lisbon when rainfall is around 0.2 in.

Temperature in Lisbon by month

Plan your trip to Lisbon by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Lisbon, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Lisbon

Get insights into the airlines that provide service to Lisbon. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Lisbon. Reviews last updated juin 12, 2025.
Read reviews from past customers who have flown SWISS, United Airlines and American Airlines from Boston to Lisbon. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
SWISS
7.5
Good
1,623 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,623 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,790 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
American Airlines
7.2
Good
10,000 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.1
Good
9,531 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Vueling
7.1
Good
1,169 reviews
SWISS
7.5
Good
1,623 reviews

Food

7.0

Entertainment

6.7

Overall

7.5

Boarding

7.6

Comfort

7.4

Crew

8.2

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

Find useful and relevant information for your journey from Boston to Lisbon. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 6 daily flights to Lisbon from 20 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 204 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    According to our current data, Vueling ($509), Iberia ($528), and TAP AIR PORTUGAL ($578) offers the cheapest pricing from Boston to Lisbon. Vueling is 36% 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?

    $282 is the cheapest one-way deal found within the past few days, from TAP AIR PORTUGAL. You may also be able to find cheap deals on Iberia and Vueling, with prices starting from $283 and $302, 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 JetBlue (78%), TAP AIR PORTUGAL (78%) or Emirates (75%) 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 $258. On average you can expect to pay $1,919. The most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), can usually be booked for $259.

  • 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. Barcelona sees the second most layovers for non-direct flights flying from Boston to Lisbon. London comes in third as the most popular layover location on Boston to Lisbon flights.

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

    The majority of Barcelona visitors spend their time at La Rambla, Sagrada Familia, and Placa de Catalunya. Travelers on a layover in Barcelona can visit La Rambla, Sagrada Familia, and Placa de Catalunya, by traveling 7.5 mi, 8.8 mi, and 7.7 mi, respectively after landing at Barcelona-El Prat. Those landing in Barcelona looking to spend some time exploring during their layover can rent a car for about $25 per day.

  • What are points of interest worth seeing during a layover in London?

    Hyde Park, Buckingham Palace, and Piccadilly Circus are currently the most popular points of interest in London. Hyde Park, Buckingham Palace, and Piccadilly Circus are located about 12.5 mi, 13.7 mi, and 14.1 mi, respectively from London Heathrow. Travelers in need of a car in London can rent one for about $44 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 Dublin. Boston to Lisbon flights stopping in Madrid are the next rarest. Lajes ranks third to last in terms of the least popular layover locations on Boston to Lisbon flights.

  • 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, January is the cheapest month in which you can book a flight from Boston to Lisbon (average of $612). Flying from Boston to Lisbon in June is currently the most expensive (average of $1,136). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Sintra
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Top 10 airlines flying from Boston to Lisbon

Discover the top 10 airlines that operate flights from Boston to Lisbon. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
LEVELCheapest$227Average$481FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$323Average$632FlexibilityNo cancel feeOn-time77%
Azores AirlinesCheapest$324Average$626FlexibilityNo cancel feeOn-time74%
VuelingCheapest$328Average$603FlexibilityNo cancel feeOn-time88%
PLAYCheapest$331Average$381FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$357Average$708FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$386Average$617FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$439Average$849FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$519Average$707FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$530Average$692FlexibilityNo cancel feeOn-timeN/A

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