How popular is this Boston to Lisbon flight route?

This flight path from Boston Logan Intl to Lisbon Humberto Delgado was viewed by 224 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, Iberia ($507), United Airlines ($508), and British Airways ($516) offers the cheapest pricing from Boston to Lisbon. Iberia is 35% 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?

$262 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Azores Airlines and TAP AIR PORTUGAL, with prices starting from $278 and $311, respectively.

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.

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).

What are the cheapest flights from Boston to Lisbon?

The cheapest flight price from Boston to Lisbon is $246. On average you can expect to pay $1,755. The most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), can usually be booked for $290.

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 KLM (63%), Air France (63%) or Delta (63%) as they are the most reliable in getting you off to your destination on time.

What are the most popular airlines that fly from Boston to Lisbon?

LEVEL, American Airlines and Air Canada are the most popular airlines when flying from Boston to Lisbon.

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

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.

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

The majority of London visitors spend their time at Hyde Park, Buckingham Palace, and Piccadilly Circus. Travelers on a layover in London can visit Hyde Park, Buckingham Palace, and Piccadilly Circus, by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively after landing at London Heathrow. Those landing in London looking to spend some time exploring during their layover can rent a car for about $49 per day.

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

La Rambla, Sagrada Familia, and Placa de Catalunya are currently the most popular points of interest in Barcelona. La Rambla, Sagrada Familia, and Placa de Catalunya are located about 7.5 mi, 8.8 mi, and 7.7 mi, respectively from Barcelona-El Prat. Travelers in need of a car in Barcelona can rent one for about $28 per day.

What is the cheapest day to fly round-trip from Boston to Lisbon?

Travelers have found that booking a Sunday departure is the best way to save up to 8% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save on the cost of your flight from Boston to Lisbon, book at least 57 days before your planned departure. Booking around this time can save you about 29% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $807 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,195.

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

Our data shows that February tends to be the cheapest month to fly to Lisbon from Boston. Users have commonly found prices around $791 for the month, but tickets can be as low as $335. Due to multiple factors, prepare for potentially higher prices in June.

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 22 different airlines. 6h 20m is how long a flight from Boston to Lisbon Humberto Delgado will take if you book a nonstop flight.

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.

$260+ Flights from Boston to Lisbon

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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 56 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from Boston to Lisbon

Round-trip from	$507 (Iberia)
One-way from	$260 (Kiwi.com)
Popular in	June
Cheapest in	February
Average price	$870
Good round-trip deal	$626 or less
Good one-way deal	$330 or less

From Boston Logan Intl to Lisbon Humberto Delgado

Search Deals

One-way flight from Boston Logan Intl to Lisbon Humberto Delgado

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($110 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Boston Logan Intl to Lisbon Humberto Delgado.

Search Deals

Price to beat on a one-way flight from Boston Logan Intl to Lisbon Humberto Delgado.

Search Deals

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 July 18, 2025.

Wed 7/301:26 pmBOS - LIS

2 stops13h 19mIberia

Wed 9/179:00 amLIS - BOS

2 stops14h 49mIberia

Deal found 7/16

$507

Tue 9/28:05 pmBOS - LIS

1 stop12h 35mUnited Airlines

Wed 9/1711:25 amLIS - BOS

2 stops30h 04mUnited Airlines

Deal found 7/15

$508

Sat 9/1310:20 amBOS - LIS

3 stops30h 35mMultiple Airlines

Fri 9/199:45 pmLIS - BOS

2 stops21h 45mMultiple Airlines

Deal found 7/15

$513

Fri 8/224:30 pmBOS - LIS

1 stop10h 15mBritish Airways

Tue 9/28:45 pmLIS - BOS

1 stop23h 15mBritish Airways

Deal found 7/17

$516

Sat 8/309:40 pmBOS - LIS

1 stop20h 40mSWISS

Tue 9/95:55 amLIS - BOS

1 stop19h 00mSWISS

Deal found 7/17

$519

Sun 11/28:35 pmBOS - LIS

Nonstop6h 25mDelta

Tue 11/115:00 amLIS - BOS

1 stop13h 20mDelta

Deal found 7/15

$521

Thu 10/1610:20 amBOS - LIS

1 stop18h 00mAir Canada

Mon 10/206:15 amLIS - BOS

2 stops20h 10mAir Canada

Deal found 7/16

$522

Sun 11/305:35 pmBOS - LIS

2 stops23h 25mScandinavian Airlines

Sun 12/74:55 pmLIS - BOS

1 stop27h 55mScandinavian Airlines

Deal found 7/15

$523

Thu 10/910:00 pmBOS - LIS

1 stop20h 30mLufthansa

Sat 10/186:15 amLIS - BOS

1 stop16h 25mLufthansa

Deal found 7/17

$530

Sat 8/3010:45 pmBOS - LIS

Nonstop6h 30mTAP AIR PORTUGAL

Wed 9/1011:45 amLIS - BOS

Nonstop7h 35mTAP AIR PORTUGAL

Deal found 7/17

$544

Best flights from Boston to Lisbon
Discover carefully curated flight deals from Boston to Lisbon that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 18, 2025.

Wed 7/301:26 pmBOS - LIS

2 stops13h 19mIberia

Wed 9/179:00 amLIS - BOS

2 stops14h 49mIberia

Deal found 7/16

$507

Tue 9/28:05 pmBOS - LIS

1 stop12h 35mUnited Airlines

Wed 9/1711:25 amLIS - BOS

2 stops30h 04mUnited Airlines

Deal found 7/15

$508

Sat 9/1310:20 amBOS - LIS

3 stops30h 35mMultiple Airlines

Fri 9/199:45 pmLIS - BOS

2 stops21h 45mMultiple Airlines

Deal found 7/15

$513

Fri 8/224:30 pmBOS - LIS

1 stop10h 15mBritish Airways

Tue 9/28:45 pmLIS - BOS

1 stop23h 15mBritish Airways

Deal found 7/17

$516

Sat 8/309:40 pmBOS - LIS

1 stop20h 40mSWISS

Sat 9/65:55 amLIS - BOS

1 stop14h 30mSWISS

Deal found 7/16

$519

Wed 9/310:40 pmBOS - LIS

Nonstop6h 30mTAP AIR PORTUGAL

Thu 9/1111:45 amLIS - BOS

Nonstop7h 35mTAP AIR PORTUGAL

Deal found 7/17

$521

Thu 8/2810:00 pmBOS - LIS

1 stop19h 05mLufthansa

Tue 9/96:45 amLIS - BOS

1 stop14h 15mLufthansa

Deal found 7/17

$539

Last-minute flights from Boston to Lisbon
Discover last-minute flight deals from Boston to Lisbon. Data last updated July 18, 2025 and is based on user searches.

Tue 7/2211:00 pmBOS - LIS

1 stop28h 30mIberia

Tue 9/910:10 pmLIS - BOS

1 stop28h 05mIberia

Deal found 7/15

$588

Tue 7/2210:40 pmBOS - LIS

Nonstop6h 30mTAP AIR PORTUGAL

Tue 9/96:00 pmLIS - BOS

1 stop31h 45mTAP AIR PORTUGAL

Deal found 7/16

$600

Tue 7/223:20 pmBOS - LIS

2 stops24h 15mMultiple Airlines

Wed 8/68:30 amLIS - BOS

2 stops16h 25mMultiple Airlines

Deal found 7/15

$714

Tue 7/225:40 pmBOS - LIS

2 stops41h 20mScandinavian Airlines

Tue 9/912:25 pmLIS - BOS

2 stops56h 10mScandinavian Airlines

Deal found 7/16

$872

Fri 7/259:35 pmBOS - LIS

1 stop31h 20mTurkish Airlines

Wed 7/304:30 pmLIS - BOS

1 stop32h 10mTurkish Airlines

Deal found 7/16

$734

Wed 7/301:26 pmBOS - LIS

2 stops13h 19mIberia

Wed 9/179:00 amLIS - BOS

2 stops14h 49mIberia

Deal found 7/16

$507

Sat 8/96:55 pmBOS - LIS

2 stops33h 25mAir Canada

Fri 9/1211:25 amLIS - BOS

2 stops29h 02mAir Canada

Deal found 7/17

$535

Wed 8/2010:40 pmBOS - LIS

Nonstop6h 30mMultiple Airlines

Wed 9/1710:10 pmLIS - BOS

1 stop28h 05mMultiple Airlines

Deal found 7/16

$513

Fri 8/224:30 pmBOS - LIS

1 stop10h 15mBritish Airways

Tue 9/28:45 pmLIS - BOS

1 stop23h 15mBritish Airways

Deal found 7/17

$516

Sat 8/238:05 amBOS - LIS

2 stops21h 30mUnited Airlines

Tue 9/26:15 amLIS - BOS

1 stop16h 25mUnited Airlines

Deal found 7/14

$512

Thu 8/286:10 pmBOS - LIS

Nonstop6h 30mTAP AIR PORTUGAL

Wed 9/35:35 pmLIS - BOS

Nonstop7h 30mTAP AIR PORTUGAL

Deal found 7/15

$521

Thu 8/2810:00 pmBOS - LIS

1 stop19h 05mLufthansa

Tue 9/96:45 amLIS - BOS

1 stop14h 15mLufthansa

Deal found 7/17

$539

One-way flights from Boston to Lisbon
Search for one-way flight options from Boston to Lisbon. Find affordable one-way fares based on user searches. Data last updated July 18, 2025.

Thu 7/2411:00 pmBOS - LIS

1 stop28h 30mMultiple Airlines

Deal found 7/16

$260

Mon 7/2811:00 pmBOS - LIS

1 stop16h 35mIberia

Deal found 7/16

$262

Mon 9/1511:45 amBOS - LIS

1 stop20h 20mAzores Airlines

Deal found 7/16

$278

Tue 8/196:10 pmBOS - LIS

Nonstop6h 30mTAP AIR PORTUGAL

Deal found 7/16

$311

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

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 7/30

1:26 pm-7:45 am

2 stops13h 19m

Lisbon Humberto Delgado

Wed 9/17

9:00 am-6:49 pm

2 stops14h 49m

$507

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Tue 9/2

8:05 pm-1:40 pm

1 stop12h 35m

Lisbon Humberto Delgado

Wed 9/17

11:25 am-12:29 pm

2 stops30h 04m

$508

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 9/13

10:20 am-9:55 pm

3 stops30h 35m

Lisbon Humberto Delgado

Fri 9/19

9:45 pm-2:30 pm

2 stops21h 45m

$513

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 8/22

4:30 pm-7:45 am

1 stop10h 15m

Lisbon Humberto Delgado

Tue 9/2

8:45 pm-3:00 pm

1 stop23h 15m

$516

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 8/30

9:40 pm-11:20 pm

1 stop20h 40m

Lisbon Humberto Delgado

Tue 9/9

5:55 am-7:55 pm

1 stop19h 00m

$519

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 9/3

10:40 pm-10:10 am

Nonstop6h 30m

Lisbon Humberto Delgado

Thu 9/11

11:45 am-2:20 pm

Nonstop7h 35m

$521

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 10/9

10:00 pm-11:30 pm

1 stop20h 30m

Lisbon Humberto Delgado

Thu 10/16

6:15 am-5:40 pm

1 stop16h 25m

$530

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 7/24

11:00 pm-8:30 am

1 stop28h 30m

$260

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 7/28

11:00 pm-8:35 pm

1 stop16h 35m

$262

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 9/17

9:15 pm-1:05 pm

1 stop10h 50m

$278

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/16

Showing 1-10 of 11 results

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

Airports

BOS

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

LIS

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

Our travel experts

Ramsey Qubein

Expert on LIS

Paul Rubio

Expert on BOS

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?

The best time to book flights from Boston to Lisbon is 56 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 $1,128). 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?

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?

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

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).

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

Reviews of airlines servicing Lisbon

Peruse reviews from past customers who have flown with Azores Airlines, SWISS, and United Airlines 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.

Azores Airlines

7.5

Good

67 reviews

Reviews

1 / 1

8.0

Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

Azores Airlines

7.5

Good

67 reviews

Azores Airlines

7.5

Good

67 reviews

Reviews

1 / 1

8.0

Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

SWISS

7.5

Good

1,661 reviews

Azores Airlines

7.5

Good

67 reviews

Reviews

1 / 1

8.0

Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

United Airlines

7.4

Good

8,864 reviews

Azores Airlines

7.5

Good

67 reviews

Reviews

1 / 1

8.0

Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

TAP AIR PORTUGAL

7.1

Good

1,922 reviews

Azores Airlines

7.5

Good

67 reviews

Reviews

1 / 1

8.0

Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

Iberia

7.0

Good

2,841 reviews

Azores Airlines

7.5

Good

67 reviews

Reviews

1 / 1

8.0

Excellent

Anonymous,Feb 2025

YYZ - PDL

Hour and a half late because of weather and deicing. Assume this if you plan connections.

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 6 daily flights to Lisbon from 22 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 224 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, Iberia ($507), United Airlines ($508), and British Airways ($516) offers the cheapest pricing from Boston to Lisbon. Iberia is 35% 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?
$262 is the cheapest one-way deal found within the past few days, from Iberia. You may also be able to find cheap deals on Azores Airlines and TAP AIR PORTUGAL, with prices starting from $278 and $311, 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 KLM (63%), Air France (63%) or Delta (63%) 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 $246. On average you can expect to pay $1,755. The most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), can usually be booked for $290.
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. London sees the second most layovers for non-direct flights flying from Boston to Lisbon. Barcelona 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 London?
The majority of London visitors spend their time at Hyde Park, Buckingham Palace, and Piccadilly Circus. Travelers on a layover in London can visit Hyde Park, Buckingham Palace, and Piccadilly Circus, by traveling 12.5 mi, 13.7 mi, and 14.1 mi, respectively after landing at London Heathrow. Those landing in London looking to spend some time exploring during their layover can rent a car for about $49 per day.
What are points of interest worth seeing during a layover in Barcelona?
La Rambla, Sagrada Familia, and Placa de Catalunya are currently the most popular points of interest in Barcelona. La Rambla, Sagrada Familia, and Placa de Catalunya are located about 7.5 mi, 8.8 mi, and 7.7 mi, respectively from Barcelona-El Prat. Travelers in need of a car in Barcelona can rent one for about $28 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 $1,128). 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

Sintra

Oeiras

Beja

Nazaré

Ericeira

Costa da Caparica

Torres Vedras

Sesimbra

Colares

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Boston to Lisbon

Other flights to Lisbon

Top 10 airlines flying from Boston to Lisbon

Airline	Cheapest	Average	Flexibility	On-time
LEVEL	Cheapest$219	Average$512	FlexibilityNo cancel fee	On-timeN/A
Vueling	Cheapest$302	Average$603	FlexibilityNo cancel fee	On-time88%
Azores Airlines	Cheapest$322	Average$628	FlexibilityNo cancel fee	On-time74%
Scandinavian Airlines	Cheapest$323	Average$632	FlexibilityNo cancel fee	On-time77%
PLAY	Cheapest$331	Average$382	FlexibilityNo cancel fee	On-timeN/A
Iberia	Cheapest$359	Average$674	FlexibilityNo cancel fee	On-time77%
Icelandair	Cheapest$386	Average$617	FlexibilityNo cancel fee	On-time76%
United Airlines	Cheapest$511	Average$781	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$519	Average$679	FlexibilityNo cancel fee	On-time71%
Aer Lingus	Cheapest$530	Average$673	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$260+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Lisbon with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Boston Logan Intl to Lisbon Humberto Delgado are usually found in February or January, booked 56 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from Boston to Lisbon

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Boston to Lisbon

Cheapest flights from Boston to LisbonExplore 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 July 18, 2025.

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 July 18, 2025.

Cheapflights Fare Finder

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

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

Airports

BOS

LIS

Our travel experts

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.

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 July 11, 2025.

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

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 July 18, 2025.

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.

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 July 18, 2025.

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

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 July 18, 2025.

Peruse reviews from past customers who have flown with Azores Airlines, SWISS, and United Airlines 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.

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?

How popular is this Boston to Lisbon flight route?

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

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

What are the most reliable airlines from Boston to Lisbon?

What are the cheapest flights from Boston to Lisbon?

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

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

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

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

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

How can I find direct flights from Boston to Lisbon?

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

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

Traveling to a place near Lisbon?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Boston to Lisbon

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Boston to Lisbon

100% Free

Book with Flexibility

Travel Smart

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 July 18, 2025.