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Cheap flights from London to Boston from £246

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — BOS
22 Jan — 29 Jan1
1 adult

The best prices from London to Boston Logan Intl are usually found in September or February, booked 29 days in advance, depart on a Tuesday or Wednesday and return on a Monday

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 17 January 2025.

Round-trip from

£372

One-way from

£246

Popular in

August

Cheapest in

September

Average price

£461
Lufthansa
  • Lufthansa
  • 27/1-5/2
  • 2 total stops
  • 22h 30m total
  • London to Boston
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PLAY
  • PLAY
  • 4/2
  • 1 total stop
  • 11h 00m total
  • London to Boston
Search Deals
High demand for flights, 11% potential price rise
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Best time to find cheap flights, 3% potential price drop
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Average for round-trip flights in January 2025
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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 17 January 2025.

Thu 16/119:55LHR - BOS
1 stop24h 20mTAP AIR PORTUGAL
Mon 20/118:10BOS - LHR
1 stop18h 20mTAP AIR PORTUGAL
Deal found 16/1£372
Mon 27/106:00LHR - BOS
1 stop19h 20mSWISS
Mon 17/221:55BOS - LHR
1 stop16h 20mSWISS
Deal found 16/1£373
Tue 18/213:10STN - BOS
1 stop13h 30mMultiple Airlines
Sat 22/222:40BOS - STN
2 stops32h 25mMultiple Airlines
Deal found 16/1£374
Mon 8/906:30LHR - BOS
2 stops20h 40mUnited Airlines
Wed 17/906:00BOS - LHR
1 stop19h 55mUnited Airlines
Deal found 16/1£374
Tue 9/915:05LGW - BOS
1 stop30h 12mAmerican Airlines
Tue 23/912:43BOS - LGW
2 stops14h 27mAmerican Airlines
Deal found 16/1£375
Mon 27/107:40LHR - BOS
1 stop15h 55mLufthansa
Thu 13/214:00BOS - LHR
1 stop11h 40mLufthansa
Deal found 16/1£376
Wed 19/213:30LCY - BOS
1 stop11h 50mSWISS
Wed 12/322:55BOS - LCY
1 stop9h 55mSWISS
Deal found 16/1£376
Wed 22/108:50LHR - BOS
Nonstop8h 06mVirgin Atlantic
Wed 12/213:00BOS - LHR
1 stop12h 50mVirgin Atlantic
Deal found 15/1£376
Fri 30/511:40STN - BOS
1 stop11h 20mPLAY
Mon 2/619:15BOS - STN
1 stop10h 25mPLAY
Deal found 16/1£377
Mon 27/106:30LHR - BOS
1 stop12h 05mKLM
Wed 5/219:25BOS - LHR
Nonstop6h 40mKLM
Deal found 15/1£378
Mon 27/118:45LGW - BOS
1 stop30h 35mSWISS
Wed 5/221:55BOS - LGW
1 stop14h 55mSWISS
Deal found 16/1£378
Mon 27/106:30LHR - BOS
1 stop12h 05mDelta
Mon 17/220:10BOS - LHR
Nonstop6h 45mDelta
Deal found 16/1£379

Find flights from London to Boston within your budget

Customise 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 858,174 searches. Data last updated 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/1

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Wed 5/2

14:45-06:40

1 stop10h 55m

£372

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/1

13:45-20:20

1 stop11h 35m

Boston Logan Intl

Wed 5/2

07:10-07:10

1 stop19h 00m

£373

LondonBoston

STN - BOS

STNBOS

London Stansted

Tue 18/2

13:10-21:40

1 stop13h 30m

Boston Logan Intl

Sat 22/2

22:40-12:05

2 stops32h 25m

£374

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Tue 28/1

19:25-14:10

1 stop23h 45m

Boston Logan Intl

Wed 12/2

13:50-06:20

1 stop11h 30m

£375

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/1

07:40-18:35

1 stop15h 55m

Boston Logan Intl

Thu 13/2

14:00-06:40

1 stop11h 40m

£376

LondonBoston

LCY - BOS

LCYBOS

London City

Wed 19/2

13:30-20:20

1 stop11h 50m

Boston Logan Intl

Wed 12/3

22:55-12:50

1 stop9h 55m

£376

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Sun 2/2

20:40-17:45

1 stop26h 05m

Boston Logan Intl

Sat 8/2

20:00-10:50

1 stop9h 50m

£376

LondonBoston

STN - BOS

STNBOS

London Stansted

Fri 30/5

11:40-18:00

1 stop11h 20m

Boston Logan Intl

Mon 2/6

19:15-10:40

1 stop10h 25m

£377

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Mon 27/1

08:50-11:56

Nonstop8h 06m

Boston Logan Intl

Wed 5/2

20:35-13:45

1 stop12h 10m

£377

LondonBoston

LHR - BOS

LHRBOS

London Heathrow

Wed 12/2

06:30-13:35

1 stop12h 05m

Boston Logan Intl

Wed 19/2

19:25-07:05

Nonstop6h 40m

£378

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 56 results
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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 return 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 return flight from London to Boston. Price data was last updated on 10 January 2025.

The best time to book flights from London to Boston is 29 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 London to Boston?

Currently, October is the cheapest month in which you can book a flight from London to Boston (average of £10). Flying from London to Boston in July is currently the most expensive (average of £724). 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 17 January 2025.

It’s optimal to fly from London to Boston in the evening. By choosing this option you can save up to 99% on the cost of your flight, compared to a flight in the afternoon.

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

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

Travellers seeking maximum savings on their London to Boston flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons 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 17 January 2025.

The most flights from LON to BOS are scheduled on a Wednesday (33 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (30 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 78.0 - 101.0 inches per month. March is typically the wettest month, when rainfall can reach 101.0 mm. July is typically the driest time to visit Boston when rainfall is around 78.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 17 January 2025.
See what other customers who have flown with Delta, Virgin Atlantic and Air Canada from London to Boston have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
8,512 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

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
8,512 reviews
Delta
8.0
Very Good
8,512 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

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
1,339 reviews
Delta
8.0
Very Good
8,512 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

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
1,285 reviews
Delta
8.0
Very Good
8,512 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Austrian Airlines
7.6
Good
786 reviews
Delta
8.0
Very Good
8,512 reviews
Check prices

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Entertainment

7.9

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?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from London to Boston. 17 airlines have flights to Logan Intl from London on a regular basis. Booking flights from London to Boston Logan Intl should not be difficult; the airport handles an average of 30 inbound flights from London per day.

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

    According to our current data, Icelandair (£372), SWISS (£373), and British Airways (£374) offers the cheapest pricing from London to Boston. Users have found that Icelandair is 26% cheaper than the other options available to this destination.

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

    One-way options have recently been found by users for as low as £246 on PLAY. Other airlines that offer cheap prices include Vueling from £246 and Icelandair from £326 one-way.

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

    The most popular route from London to Boston is London Heathrow - Boston Logan Intl. You may also consider London Gatwick - Boston Logan Intl or London City - Boston Logan Intl.

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

    The top 3 most reliable airlines when flying from London to Boston are JetBlue (89%), TAP AIR PORTUGAL (89%) and Gulf Air (83%).

  • What are the cheapest flights from London to Boston?

    Looking for the cheapest flight from London to Boston? While on average our users pay £1,356, our data indicates the cheapest price to be £386. The most popular route (London Heathrow - Boston Logan Intl), is priced around £298.

  • 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 holiday 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, October is the cheapest month in which you can book a flight from London to Boston (average of £10). Flying from London to Boston in July is currently the most expensive (average of £724). 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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Fly from London to Boston on these airlines

Choose from the following airlines for your flight from London to Boston. Flights are based on user searches made on Cheapflights and were last updated on 17 January 2025.
British Airways flights from London to Boston Logan Intl
Virgin Atlantic flights from London to Boston Logan Intl
Finnair flights from London to Boston Logan Intl

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 858,174 searches. Data last updated 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£8Average£296FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
PLAYCheapest£284Average£436FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapest£306Average£472FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
DeltaCheapest£332Average£552FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
IcelandairCheapest£341Average£469FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£366Average£465FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£368Average£494FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£368Average£490FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£371Average£478FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£374Average£468FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Boston from London today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from London to Boston for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from London to Boston with no change fees.

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

Yes! Start tracking prices for London to Boston flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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