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Cheap flights from Boston to Lisbon from C$ 760

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
22 Apr — 29 Apr1
1 adult

Cheapflights Tip: The best prices from Boston Logan Intl to Lisbon Humberto Delgado are usually found in February or January, booked 87 days in advance, depart on a Thursday or Saturday and return on a Tuesday

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 17 April 2025.

Round-trip from

C$ 760

Popular in

June

Cheapest in

February

Average price

C$ 1,162

Good one-way deal

C$ 366 or less
14/10-21/10
  • 14/10-21/10
  • 2 total stops
  • 30h 10m total
  • Boston to Lisbon
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 323 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 59 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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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 17 April 2025.

Tue 14/1011:00 p.m.BOS - LIS
1 stop13h 05mMultiple Airlines
Tue 21/109:10 a.m.LIS - BOS
1 stop17h 05mMultiple Airlines
Deal found 17/4C$ 760
Thu 30/106:35 p.m.BOS - LIS
1 stop17h 30mScandinavian Airlines
Mon 10/114:55 p.m.LIS - BOS
1 stop27h 55mScandinavian Airlines
Deal found 17/4C$ 772
Thu 14/83:20 p.m.BOS - LIS
1 stop13h 00mUnited Airlines
Wed 20/811:25 a.m.LIS - BOS
2 stops28h 44mUnited Airlines
Deal found 17/4C$ 896
Sat 20/98:10 p.m.BOS - LIS
1 stop22h 00mFinnair
Sat 27/96:35 a.m.LIS - BOS
1 stop18h 15mFinnair
Deal found 17/4C$ 918
Thu 1/511:25 p.m.BOS - LIS
Nonstop6h 20mVirgin Atlantic
Wed 7/512:45 p.m.LIS - BOS
Nonstop7h 35mVirgin Atlantic
Deal found 17/4C$ 930
Fri 9/59:40 p.m.BOS - LIS
1 stop20h 40mSWISS
Tue 13/55:55 a.m.LIS - BOS
1 stop14h 30mSWISS
Deal found 17/4C$ 941
Wed 17/911:20 p.m.BOS - LIS
Nonstop6h 25mDelta
Mon 22/95:40 a.m.LIS - BOS
1 stop14h 25mDelta
Deal found 17/4C$ 946
Sat 3/57:25 a.m.BOS - LIS
1 stop10h 45mBritish Airways
Wed 7/57:20 a.m.LIS - BOS
1 stop17h 50mBritish Airways
Deal found 17/4C$ 959
Sat 17/58:05 p.m.BOS - LIS
1 stop20h 45mLufthansa
Fri 23/52:25 p.m.LIS - BOS
1 stop32h 15mLufthansa
Deal found 17/4C$ 962
Sat 17/512:35 p.m.BOS - LIS
1 stop27h 45mIcelandair
Thu 22/510:20 p.m.LIS - BOS
1 stop18h 15mIcelandair
Deal found 17/4C$ 975
Wed 14/58:05 p.m.BOS - LIS
2 stops17h 55mBrussels Airlines
Tue 20/512:05 p.m.LIS - BOS
2 stops34h 35mBrussels Airlines
Deal found 17/4C$ 1,037
Tue 4/118:00 p.m.BOS - LIS
1 stop33h 05mTurkish Airlines
Sat 8/1111:35 a.m.LIS - BOS
1 stop35h 30mTurkish Airlines
Deal found 17/4C$ 1,079

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 629,999 searches. Data last updated 17 April 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

Tue 14/10

11:00 p.m.-5:05 p.m.

1 stop13h 05m

Lisbon Humberto Delgado

Tue 21/10

9:10 a.m.-9:15 p.m.

1 stop17h 05m

C$ 760

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Mon 22/9

5:40 p.m.-10:05 p.m.

2 stops23h 25m

Lisbon Humberto Delgado

Wed 1/10

6:25 p.m.-3:35 p.m.

1 stop26h 10m

C$ 846

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 14/8

3:20 p.m.-9:20 a.m.

1 stop13h 00m

Lisbon Humberto Delgado

Wed 20/8

11:25 a.m.-11:09 a.m.

2 stops28h 44m

C$ 896

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 20/9

8:10 p.m.-11:10 p.m.

1 stop22h 00m

Lisbon Humberto Delgado

Sat 27/9

6:35 a.m.-7:50 p.m.

1 stop18h 15m

C$ 918

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 1/5

11:25 p.m.-10:45 a.m.

Nonstop6h 20m

Lisbon Humberto Delgado

Wed 7/5

12:45 p.m.-3:20 p.m.

Nonstop7h 35m

C$ 930

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 9/5

9:40 p.m.-11:20 p.m.

1 stop20h 40m

Lisbon Humberto Delgado

Tue 13/5

5:55 a.m.-3:25 p.m.

1 stop14h 30m

C$ 941

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 17/9

11:20 p.m.-10:45 a.m.

Nonstop6h 25m

Lisbon Humberto Delgado

Sun 21/9

5:40 a.m.-3:05 p.m.

1 stop14h 25m

C$ 946

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 1/5

12:30 p.m.-9:50 p.m.

2 stops28h 20m

Lisbon Humberto Delgado

Wed 7/5

6:15 a.m.-5:40 p.m.

1 stop16h 25m

C$ 955

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 3/5

7:25 a.m.-11:10 p.m.

1 stop10h 45m

Lisbon Humberto Delgado

Wed 7/5

7:20 a.m.-8:10 p.m.

1 stop17h 50m

C$ 959

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 17/5

12:35 p.m.-9:20 p.m.

1 stop27h 45m

Lisbon Humberto Delgado

Thu 22/5

10:20 p.m.-11:35 a.m.

1 stop18h 15m

C$ 975

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/4

Showing 1-10 of 23 results
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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 11 April 2025.

The price you pay for your flight from Boston to Lisbon may vary depending on when you book. For the best chance of a lower fare, look to book 87 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 C$ 482). Flying from Boston to Lisbon in July is currently the most expensive (average of C$ 795). 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 17 April 2025.

It’s typically best to fly out from Boston to Lisbon at noon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

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 17 April 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 6.0 - 122.0 mm per month. December is typically the wettest month, when rainfall can reach 122.0 mm. July is typically the driest time to visit Lisbon when rainfall is around 6.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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 17 April 2025.
Delta
8.0
Very good
7,916 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Cathay Pacific
7.5
Good
849 reviews
Delta
8.0
Very good
7,916 reviews
Check prices

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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?

    Booking a flight from Boston Logan Intl (BOS) to Lisbon Humberto Delgado (LIS) is your only option if you wish to fly from Boston to Lisbon. On a typical day, there are 6 flights from Logan Intl to Humberto Delgado, all of which are around 6h 30m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Logan Intl to Lisbon.

  • How popular is this Boston to Lisbon flight route?

    The Boston Logan Intl to Lisbon Humberto Delgado flight path was viewed by 26 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?

    Scandinavian Airlines, at C$ 846, was found to be the cheapest airline from Boston to Lisbon.Alternate airlines to your destination round-trip include United Airlines and Finnair. Scandinavian Airlines is currently priced 26% below the average price you’ll pay for this route.

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

    To fly one-way, consider booking your trip with TAP AIR PORTUGAL, which is currently one of the cheapest options available, starting at C$ 1,052. Delta flights start at C$ 1,081 while deals on JetBlue start at C$ 1,091 one-way.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Lisbon on time: KLM (87%), Air France (87%), Delta (87%).

  • What are the cheapest flights from Boston to Lisbon?

    While on average a flight from Boston to Lisbon is generally C$ 494, our data shows the cheapest flight currently is C$ 292. When looking at the most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), you can expect to pay C$ 941 for that 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.

  • 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 C$ 482). Flying from Boston to Lisbon in July is currently the most expensive (average of C$ 795). 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

Travelling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Sintra
Costa da Caparica
Óbidos
Beja

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Top airline flying from Boston to Lisbon

Discover the top airline 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 629,999 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 678AverageC$ 1,104FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Lisbon?

Cheapflights makes it easy to find Boston to Lisbon flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Boston to Lisbon?

Cheapflights helps you find that perfect flight to Lisbon from Boston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Boston to Lisbon with no change fees?

Certainly. Search results for flights to Lisbon from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Boston to Lisbon become cheaper?

Not ready to book yet? You can track prices for flights from Boston to Lisbon on Cheapflights with our Price Alert feature and get notified when better prices are available.

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