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Cheap flights from Boston to Lisbon from C$ 740

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 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LIS
26 Feb — 5 Mar1
1 adult

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 21 February 2025.

Round-trip from

C$ 794

Popular in

June

Cheapest in

February

Average price

C$ 908

Good round-trip deal

C$ 762 or less

Good one-way deal

C$ 540 or less
30/3-9/4
  • 30/3-9/4
  • 2 total stops
  • 35h 20m total
  • Boston to Lisbon
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Highest demand for flights based on searches. 21% potential increase in price (C$ 453 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease (C$ 69 potential savings vs. average RT price).
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Average for round-trip flights in February 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 21 February 2025.

Thu 22/57:15 p.m.BOS - LIS
1 stop20h 05mPLAY
Mon 26/59:30 p.m.LIS - BOS
1 stop25h 20mPLAY
Deal found 20/2C$ 740
Sun 30/35:40 p.m.BOS - LIS
1 stop22h 00mMultiple Airlines
Wed 9/47:15 a.m.LIS - BOS
1 stop13h 20mMultiple Airlines
Deal found 19/2C$ 794
Wed 2/43:40 p.m.BOS - LIS
1 stop12h 40mUnited Airlines
Sun 6/411:25 a.m.LIS - BOS
2 stops34h 59mUnited Airlines
Deal found 20/2C$ 862
Sat 22/39:40 p.m.BOS - LIS
1 stop11h 40mLufthansa
Sun 30/36:15 a.m.LIS - BOS
1 stop16h 25mLufthansa
Deal found 20/2C$ 899
Wed 19/310:55 p.m.BOS - LIS
1 stop11h 40mSWISS
Mon 7/412:35 p.m.LIS - BOS
1 stop12h 20mSWISS
Deal found 20/2C$ 906
Wed 19/39:00 p.m.BOS - LIS
1 stop38h 00mTurkish Airlines
Fri 4/410:55 a.m.LIS - BOS
1 stop37h 45mTurkish Airlines
Deal found 20/2C$ 922
Thu 20/39:40 p.m.BOS - LIS
2 stops14h 20mBrussels Airlines
Sun 30/312:05 p.m.LIS - BOS
2 stops34h 35mBrussels Airlines
Deal found 20/2C$ 982
Sun 30/310:20 p.m.BOS - LIS
Nonstop6h 30mTAP AIR PORTUGAL
Mon 7/45:35 p.m.LIS - BOS
Nonstop7h 30mTAP AIR PORTUGAL
Deal found 20/2C$ 999
Sat 27/128:00 p.m.BOS - LIS
1 stop19h 20mIcelandair
Thu 8/19:20 p.m.LIS - BOS
1 stop25h 25mIcelandair
Deal found 20/2C$ 1,037
Thu 10/47:40 p.m.BOS - LIS
1 stop17h 30mBritish Airways
Tue 22/41:35 p.m.LIS - BOS
1 stop11h 35mBritish Airways
Deal found 20/2C$ 1,084
Fri 21/37:25 p.m.BOS - LIS
2 stops36h 00mAustrian Airlines
Mon 31/32:25 p.m.LIS - BOS
2 stops52h 25mAustrian Airlines
Deal found 20/2C$ 1,108
Sun 28/126:20 p.m.BOS - LIS
1 stop20h 55mWorldTicket
Fri 9/19:15 p.m.LIS - BOS
1 stop24h 45mWorldTicket
Deal found 20/2C$ 1,116

Find flights from Boston to Lisbon within your budget

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 21 February 2025.

Fly from

Boston

Fly to

Lisbon

Route

Depart

Return

Price

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 22/5

7:15 p.m.-8:20 p.m.

1 stop20h 05m

Lisbon Humberto Delgado

Mon 26/5

9:30 p.m.-5:50 p.m.

1 stop25h 20m

C$ 740

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 30/3

5:40 p.m.-8:40 p.m.

1 stop22h 00m

Lisbon Humberto Delgado

Wed 9/4

7:15 a.m.-3:35 p.m.

1 stop13h 20m

C$ 794

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 2/4

3:40 p.m.-9:20 a.m.

1 stop12h 40m

Lisbon Humberto Delgado

Sun 6/4

11:25 a.m.-5:24 p.m.

2 stops34h 59m

C$ 862

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sat 22/3

9:40 p.m.-1:20 p.m.

1 stop11h 40m

Lisbon Humberto Delgado

Sun 30/3

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

1 stop16h 25m

C$ 899

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 19/3

9:00 p.m.-3:00 p.m.

1 stop38h 00m

Lisbon Humberto Delgado

Tue 8/4

4:30 p.m.-7:40 p.m.

1 stop32h 10m

C$ 922

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Wed 12/3

10:55 p.m.-2:35 p.m.

1 stop11h 40m

Lisbon Humberto Delgado

Wed 30/4

5:55 a.m.-7:55 p.m.

1 stop19h 00m

C$ 933

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 20/3

9:40 p.m.-4:00 p.m.

2 stops14h 20m

Lisbon Humberto Delgado

Sun 30/3

12:05 p.m.-5:40 p.m.

2 stops34h 35m

C$ 982

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Sun 30/3

10:20 p.m.-9:50 a.m.

Nonstop6h 30m

Lisbon Humberto Delgado

Mon 7/4

5:35 p.m.-8:05 p.m.

Nonstop7h 30m

C$ 999

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Thu 10/4

7:40 p.m.-6:10 p.m.

1 stop17h 30m

Lisbon Humberto Delgado

Tue 22/4

1:35 p.m.-8:10 p.m.

1 stop11h 35m

C$ 1,084

BostonLisbon

BOS - LIS

BOSLIS

Boston Logan Intl

Fri 21/3

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

2 stops36h 00m

Lisbon Humberto Delgado

Mon 31/3

2:25 p.m.-1:50 p.m.

2 stops52h 25m

C$ 1,108

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/2

Showing 1-10 of 20 results
1
2

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.

Travel insights for flights from Boston to Lisbon

Get recent, data-driven insights about flights from Boston to Lisbon including ideal travel times, pricing trends, and more.

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 14 February 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$ 803). 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 21 February 2025.

It’s typically best to fly out from Boston to Lisbon at noon. Doing so could potentially save you 15% 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 21 February 2025.

The most flights from BOS to LIS are scheduled on a Sunday (9 on average). You will have fewer flight options on Monday, 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 21 February 2025.
Read reviews from past customers who have flown Delta, KLM and Austrian Airlines from Boston to Lisbon. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,219 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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.

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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
773 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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
1,568 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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
820 reviews
Delta
8.0
Very good
8,219 reviews
Check prices

Boarding

8.2

Entertainment

7.9

Comfort

8.0

Crew

8.5

Food

7.3

Overall

8.0

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 3 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 28 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?

    United Airlines, at C$ 862, was found to be the cheapest airline from Boston to Lisbon.Alternate airlines to your destination round-trip include Lufthansa and SWISS. United Airlines is currently priced 28% 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 Delta, which is currently one of the cheapest options available, starting at C$ 1,229. JetBlue flights start at C$ 1,260 while deals on United Airlines start at C$ 1,330 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: JetBlue (76%), TAP AIR PORTUGAL (76%), Emirates (67%).

  • What are the cheapest flights from Boston to Lisbon?

    While on average a flight from Boston to Lisbon is generally C$ 769, our data shows the cheapest flight currently is C$ 484. When looking at the most popular route, (Boston Logan Intl - Lisbon Humberto Delgado), you can expect to pay C$ 1,112 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$ 803). 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
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Óbidos
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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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 695AverageC$ 1,394FlexibilityNo 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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