Boston

$361+ Cheap flights from London (LON) to Boston (BOS)

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOS
Dec 23 — Dec 301
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The best prices from London to Boston Logan Intl are usually found in September or February, booked 29 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from London to Boston

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Boston (BOS). 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 December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$508
(Delta)

One-way from

$361
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$753
Provider with most accurate pricing for London (LON)-Boston Logan Intl flight deals.
Provider most trusted by Cheapflights users for London (LON)-Boston Logan Intl flights.
From London (LON) to Boston Logan Intl
One-way flight from London (LON) to Boston Logan Intl
High demand for flights, 11% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

Find flight deals from London to Boston

Cheapest flights from London to Boston
Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This British Airways deal was found by Cheapflights users on 12/18. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:35 amLHR - BOS
Nonstop7h 25mBritish Airways
Wed 1/227:30 amBOS - LHR
Nonstop6h 25mBritish Airways
Deal found 12/18$513
This Delta deal was found by Cheapflights users on 12/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:30 amLHR - BOS
1 stop12h 00mDelta
Thu 1/98:10 pmBOS - LHR
Nonstop6h 45mDelta
Deal found 12/18$520
This Finnair deal was found by Cheapflights users on 12/18. 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.
Wed 12/2510:35 amLHR - BOS
Nonstop7h 25mFinnair
Thu 1/910:00 pmBOS - LHR
Nonstop6h 30mFinnair
Deal found 12/18$523
This ChecknFly deal was found by Cheapflights users on 12/18. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:00 pmLHR - BOS
1 stop28h 53mIberia
Wed 1/87:36 pmBOS - LHR
1 stop31h 59mIberia
Deal found 12/18$540
This Ovago deal was found by Cheapflights users on 12/18. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2910:35 amLHR - BOS
Nonstop7h 25mMultiple Airlines
Mon 1/207:36 pmBOS - LHR
1 stop9h 49mMultiple Airlines
Deal found 12/18$553
This Kiwi.com deal was found by Cheapflights users on 12/18. 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.
Thu 12/266:00 pmSTN - BOS
2 stops28h 00mMultiple Airlines
Thu 1/96:20 pmBOS - STN
1 stop10h 40mMultiple Airlines
Deal found 12/18$576
This oojo deal was found by Cheapflights users on 12/17. 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.
Tue 12/244:35 pmLGW - BOS
1 stop26h 55mTAP AIR PORTUGAL
Wed 2/56:10 pmBOS - LGW
1 stop15h 55mTAP AIR PORTUGAL
Deal found 12/17$583
This Kiwi.com deal was found by Cheapflights users on 12/17. 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.
Tue 12/249:50 pmLTN - BOS
2 stops24h 10mMultiple Airlines
Tue 1/76:20 pmBOS - LTN
1 stop15h 20mMultiple Airlines
Deal found 12/17$585
This oojo deal was found by Cheapflights users on 12/17. 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.
Tue 12/246:30 pmLHR - BOS
1 stop25h 00mTAP AIR PORTUGAL
Wed 2/56:10 pmBOS - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 12/17$586
This KLM deal was found by Cheapflights users on 12/18. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/256:30 amLHR - BOS
1 stop12h 00mKLM
Mon 12/307:05 pmBOS - LHR
1 stop10h 40mKLM
Deal found 12/18$591
This ChecknFly deal was found by Cheapflights users on 12/17. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/283:00 pmLHR - BOS
1 stop24h 08mLufthansa
Sun 1/269:55 pmBOS - LHR
1 stop10h 05mLufthansa
Deal found 12/17$607
This FlightHub deal was found by Cheapflights users on 12/18. 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.
Tue 12/247:30 pmLHR - BOS
1 stop25h 20mScandinavian Airlines
Tue 2/45:45 pmBOS - LHR
1 stop19h 45mScandinavian Airlines
Deal found 12/18$640

Find flights from London to Boston within your budget

Customize your flight search to find flights from London to Boston 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 December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 1/13

10:10 am-6:28 pm

1 stop13h 18m

Boston Logan Intl

Mon 1/20

7:45 pm-11:10 am

1 stop10h 25m

$508

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/23

6:20 am-2:05 pm

1 stop12h 45m

Boston Logan Intl

Thu 1/30

7:23 pm-7:05 am

Nonstop6h 42m

$509

LondonBoston

STN - BOS

STNBOS

London Stansted

Wed 1/29

8:15 am-5:45 pm

2 stops14h 30m

Boston Logan Intl

Sat 2/8

8:00 pm-11:20 pm

2 stops22h 20m

$510

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Thu 1/16

11:25 am-2:00 pm

Nonstop7h 35m

Boston Logan Intl

Thu 1/23

7:30 am-6:55 pm

Nonstop6h 25m

$510

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 3/4

6:30 am-1:21 pm

1 stop11h 51m

Boston Logan Intl

Tue 3/11

8:20 pm-7:05 am

Nonstop6h 45m

$511

LondonBoston

LTN - BOS

LTNBOS

London Luton

Mon 1/13

5:55 am-1:50 pm

1 stop12h 55m

Boston Logan Intl

Wed 1/22

5:45 pm-8:35 am

1 stop9h 50m

$512

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Wed 2/12

7:45 pm-9:40 pm

2 stops30h 55m

Boston Logan Intl

Tue 2/18

11:25 pm-7:50 am

2 stops27h 25m

$512

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Fri 1/10

7:30 pm-3:50 pm

1 stop25h 20m

Boston Logan Intl

Sun 1/19

5:45 pm-9:20 am

1 stop10h 35m

$513

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 1/14

12:15 pm-5:45 pm

1 stop10h 30m

Boston Logan Intl

Tue 1/21

8:00 pm-10:50 am

1 stop9h 50m

$514

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Mon 5/5

3:40 pm-10:00 pm

1 stop11h 20m

Boston Logan Intl

Mon 5/19

11:35 pm-2:40 pm

1 stop10h 05m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/18

Showing 1-10 of 57 results
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Compare providers for flights from London to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Boston in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*2 stars
Thrive TravelPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star
PricelinePrice Accuracy1 starTrust 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 London-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Boston flights, Cheapflights users trust FlightHub the most. FlightHub 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 London-Boston 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 London to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from London 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 London to Boston

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

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

Use this chart to determine the optimal time to book a round-trip flight from London to Boston. Price data was last updated on December 13, 2024.

Booking 29 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Boston. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from London to Boston (average of $218). Flying from London to Boston in July is currently the most expensive (average of $311). 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 LON to BOS?

Find hourly flight availability from London to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2024.

One of the essential ways to save on airfare from London to Boston is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 9% on airfare.

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

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

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

Weekly flight availability from London to Boston

Explore weekly flight availability from London to Boston. 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 December 18, 2024.

The most flights from LON to BOS are scheduled on a Monday (35 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (21 on average).

Rainfall in Boston by month

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

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

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

If weather is an important factor for your trip to Boston, 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 30.2 F).

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. 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 Boston. Reviews last updated December 18, 2024.
Peruse reviews from past customers who have flown with KLM, PLAY and SWISS from London to Boston to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

8.0
Very good
8,604 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.8
Good
1,349 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.7
Good
1,285 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.6
Good
787 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

7.6
Good
1,606 reviews
8.0
Very good
8,604 reviews

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from London to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Boston from London?

    Most people fly into Boston Logan Intl (BOS) if they book a flight to Boston from London. On average, Logan Intl has 29 inbound flights from London per day from 13 airlines. Boston Logan Intl is conveniently located just 2.6 mi from Boston’s city center.

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

    Our cheapest airline available from London to Boston is Delta. Our recent data shows that you can find tickets from as low as $508 on this airline. Additional options worth looking into are Virgin Atlantic and British Airways, starting at $509 and $510 round-trip. Users have found that Delta is 17% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from London to Boston are PLAY ($369), Vueling ($376), and WorldTicket ($409).

  • What are the most popular routes from London to Boston?

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

    No one likes to see their flight delayed. When booking a flight from London to Boston consider choosing JetBlue (92%), TAP AIR PORTUGAL (92%) or Gulf Air (90%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Boston?

    While on average a flight from London to Boston is generally $1,539, our data shows the cheapest flight currently is $514. When looking at the most popular route, (London Heathrow - Boston Logan Intl), you can expect to pay $408 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Boston 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 London to Boston?

    Currently, January is the cheapest month in which you can book a flight from London to Boston (average of $218). Flying from London to Boston in July is currently the most expensive (average of $311). 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

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Top 10 airlines flying from London to Boston

Discover the top 10 airlines that operate flights from London to Boston. 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 December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$337Average$497FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$355Average$559FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$407Average$555FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$420Average$805FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$432Average$591FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$459Average$792FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$481Average$619FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$483Average$647FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$488Average$671FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$492Average$627FlexibilityNo cancel feeOn-time71%
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