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$300+ 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 3/24. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOS
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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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 January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$451
(Flightnetwork)

One-way from

$300
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$560

Good round-trip deal

$569 or less

Good one-way deal

$545 or less
Provider with most accurate pricing for London (LON)-Boston Logan Intl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Boston Logan Intl flights.
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From London (LON) to Boston Logan Intl
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One-way flight from London (LON) to Boston Logan Intl
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Highest demand for flights based on searches. 11% potential increase in price ($78 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from London (LON) to Boston Logan Intl.
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Price to beat on a one-way flight from London (LON) to Boston Logan Intl.
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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 January 23, 2025.

This Flightnetwork deal was found by Cheapflights users on 1/23. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/111:00 amSTN - BOS
1 stop11h 00mPLAY
Thu 3/137:20 pmBOS - STN
1 stop10h 40mPLAY
Deal found 1/23$451
This Gotogate deal was found by Cheapflights users on 1/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/58:55 amLHR - BOS
2 stops16h 08mMultiple Airlines
Wed 2/1210:50 amBOS - LHR
1 stop15h 20mMultiple Airlines
Deal found 1/22$451
This Mytrip deal was found by Cheapflights users on 1/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/16:45 amLGW - BOS
1 stop19h 10mVueling
Thu 2/611:25 pmBOS - LGW
1 stop28h 05mVueling
Deal found 1/22$451
This United Airlines deal was found by Cheapflights users on 1/23. 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.
Wed 10/298:55 amLHR - BOS
1 stop16h 25mUnited Airlines
Tue 11/44:30 pmBOS - LHR
1 stop11h 40mUnited Airlines
Deal found 1/23$452
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 2/41:10 pmSTN - BOS
1 stop13h 30mMultiple Airlines
Sat 2/810:40 pmBOS - STN
2 stops20h 25mMultiple Airlines
Deal found 1/22$453
This SWISS deal was found by Cheapflights users on 1/23. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/288:05 pmLHR - BOS
1 stop29h 15mSWISS
Mon 11/39:55 pmBOS - LHR
1 stop14h 55mSWISS
Deal found 1/23$453
This Voliamo deal was found by Cheapflights users on 1/22. 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 Voliamo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/266:00 amLHR - BOS
2 stops16h 34mAustrian Airlines
Mon 3/312:00 pmBOS - LHR
2 stops23h 40mAustrian Airlines
Deal found 1/22$454
This Mytrip deal was found by Cheapflights users on 1/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/267:05 amLTN - BOS
2 stops14h 55mMultiple Airlines
Mon 3/317:15 pmBOS - LTN
2 stops18h 15mMultiple Airlines
Deal found 1/22$454
This TravelUp deal was found by Cheapflights users on 1/22. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:55 amLGW - BOS
1 stop13h 25mBritish Airways
Mon 3/174:05 pmBOS - LGW
2 stops22h 45mBritish Airways
Deal found 1/22$454
This Virgin Atlantic deal was found by Cheapflights users on 1/22. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/2611:30 amLHR - BOS
1 stop10h 05mVirgin Atlantic
Mon 3/3110:30 pmBOS - LHR
Nonstop6h 45mVirgin Atlantic
Deal found 1/22$455
This Ticket deal was found by Cheapflights users on 1/22. 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 Ticket is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/31:30 pmLCY - BOS
1 stop11h 50mSWISS
Mon 2/109:55 pmBOS - LCY
1 stop9h 55mSWISS
Deal found 1/22$456
This Trip.com deal was found by Cheapflights users on 1/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2011:55 amLGW - BOS
1 stop10h 50mIcelandair
Mon 2/248:00 pmBOS - LGW
1 stop9h 55mIcelandair
Deal found 1/23$457

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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonBoston

STN - BOS

STNBOS

London Stansted

Sat 3/1

11:00 am-5:00 pm

1 stop11h 00m

Boston Logan Intl

Thu 3/13

7:20 pm-10:00 am

1 stop10h 40m

$451

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 2/5

8:55 am-8:03 pm

2 stops16h 08m

Boston Logan Intl

Wed 2/12

10:50 am-7:10 am

1 stop15h 20m

$451

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Sat 2/1

6:45 am-8:55 pm

1 stop19h 10m

Boston Logan Intl

Thu 2/6

11:25 pm-8:30 am

1 stop28h 05m

$451

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/26

8:55 am-8:44 pm

2 stops15h 49m

Boston Logan Intl

Mon 3/31

10:50 am-6:35 am

2 stops14h 45m

$452

LondonBoston

STN - BOS

STNBOS

London Stansted

Thu 2/13

6:40 am-9:40 pm

1 stop20h 00m

Boston Logan Intl

Thu 2/20

11:25 pm-11:40 pm

2 stops43h 15m

$452

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 1/29

8:40 pm-5:45 pm

1 stop26h 05m

Boston Logan Intl

Wed 2/5

8:00 pm-10:50 am

1 stop9h 50m

$453

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/26

6:00 am-6:34 pm

2 stops16h 34m

Boston Logan Intl

Mon 3/31

2:00 pm-6:40 pm

2 stops23h 40m

$454

LondonBoston

LGW - BOS

LGWBOS

London Gatwick

Tue 3/4

10:55 am-7:20 pm

1 stop13h 25m

Boston Logan Intl

Mon 3/17

4:05 pm-6:50 pm

2 stops22h 45m

$454

LondonBoston

LTN - BOS

LTNBOS

London Luton

Wed 3/26

7:05 am-6:00 pm

2 stops14h 55m

Boston Logan Intl

Mon 3/31

7:15 pm-6:30 pm

2 stops18h 15m

$454

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 3/26

11:30 am-5:35 pm

1 stop10h 05m

Boston Logan Intl

Mon 3/31

10:30 pm-10:15 am

Nonstop6h 45m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/22

Showing 1-10 of 51 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 January.
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*3 stars
Thrive TravelPrice Accuracy3 starsTrust Score*1 star
OneTravelPrice Accuracy2 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star

*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 January 17, 2025.

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 January 23, 2025.

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 Wednesday at noon when fares are most often at their lowest. Saturday evenings 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 January 23, 2025.

The most flights from LON to BOS are scheduled on a Monday (30 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (25 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 January 23, 2025.
Peruse reviews from past customers who have flown with Air Canada, SWISS and KLM 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.
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Delta
8.0
Very good
8,508 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

KLM
7.8
Good
1,338 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Finnair
7.6
Good
1,286 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

Austrian Airlines
7.5
Good
787 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Reviews

1 / 10

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

SWISS
7.5
Good
1,598 reviews
Delta
8.0
Very good
8,508 reviews

Crew

8.6

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

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 27 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 PLAY. Our recent data shows that you can find tickets from as low as $451 on this airline. Additional options worth looking into are Vueling and Air Canada, starting at $451 and $452 round-trip. Users have found that PLAY is 26% 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 ($302), Vueling ($303), and Aer Lingus ($422).

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

    While some choose either London Gatwick - Boston Logan Intl or London City - Boston Logan Intl, London Heathrow - Boston Logan Intl is the most popular route 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 (89%), TAP AIR PORTUGAL (89%) or Gulf Air (83%) 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 $1,190, our data shows the cheapest flight currently is $485. When looking at the most popular route, (London Heathrow - Boston Logan Intl), you can expect to pay $355 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Sturbridge
Warwick
Marlborough
Waltham
Brockton
Cambridge
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Framingham
Somerville
Chestnut Hill
Seekonk
Randolph
Lowell
West Yarmouth
Woburn
Saco
Seabrook
Salem
Brookline
Fall River

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Alternative routes for London to Boston

See prices for flight routes from nearby airports that may be better suited for you.
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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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapest$337Average$477FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$357Average$570FlexibilityNo cancel feeOn-time76%
TAP AIR PORTUGALCheapest$407Average$555FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$420Average$826FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$432Average$589FlexibilityNo cancel feeOn-time76%
IberiaCheapest$481Average$616FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$483Average$659FlexibilityNo cancel feeOn-time72%
British AirwaysCheapest$487Average$663FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$492Average$627FlexibilityNo cancel feeOn-time71%
Air FranceCheapest$497Average$888FlexibilityNo cancel feeOn-time77%
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