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Cheap flights from Massachusetts to London from £145

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
20 Jan — 27 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Massachusetts to London

Enter your travel dates to find the best prices.

Cheapest flights from Massachusetts to London
Explore the most affordable flight options available from Massachusetts to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 December 2025.

Wed 31/1219:15BOS - LHR
Nonstop6h 45mBritish Airways
Thu 15/111:40LHR - BOS
Nonstop7h 40mBritish Airways
Deal found 19/12£376
Mon 29/1218:40BOS - LHR
1 stop20h 55mUnited Airlines
Thu 15/113:25LHR - BOS
2 stops28h 48mUnited Airlines
Deal found 20/12£377
Mon 29/1221:20BOS - LGW
1 stop16h 40mIberia
Thu 15/111:45LGW - BOS
1 stop13h 05mIberia
Deal found 20/12£377
Wed 31/1219:44BOS - LHR
1 stop10h 06mLufthansa
Sat 10/116:20LHR - BOS
1 stop12h 29mLufthansa
Deal found 19/12£378
Wed 31/1219:10BOS - LHR
Nonstop6h 40mMultiple Airlines
Thu 15/106:20LHR - BOS
1 stop12h 20mMultiple Airlines
Deal found 19/12£379
Tue 30/1218:40BOS - LHR
1 stop20h 55mAir Canada
Sun 18/106:50LHR - BOS
2 stops13h 02mAir Canada
Deal found 20/12£380
Wed 31/1220:00BOS - LHR
Nonstop6h 50mDelta
Sat 17/106:30LHR - BOS
1 stop12h 00mDelta
Deal found 20/12£380
Tue 30/1218:55BOS - LHR
2 stops33h 25mAir Canada
Fri 16/109:00LHR - BOS
2 stops18h 37mAir Canada
Deal found 20/12£381
Wed 31/1210:15BOS - LHR
1 stop15h 55mAir Canada
Sun 18/106:50LHR - BOS
2 stops17h 52mAir Canada
Deal found 20/12£382
Tue 30/1208:00BOS - LHR
1 stop18h 05mDelta
Tue 13/106:20LHR - BOS
1 stop12h 20mDelta
Deal found 20/12£383
Tue 30/1205:45BOS - LHR
1 stop20h 20mDelta
Sat 17/106:30LHR - BOS
1 stop12h 00mDelta
Deal found 20/12£383
Wed 31/1223:55BOS - LHR
Nonstop6h 30mKLM
Sat 10/109:40LHR - BOS
Nonstop7h 50mKLM
Deal found 19/12£384

Find flight deals from Massachusetts to London

Keep the following information in mind while searching for Massachusetts to London flight deals. Data was last updated 21 December 2025.

Round-trip from

£376

One-way from

£145

Popular in

June

Cheapest in

October

Average price

£549

Good round-trip deal

£415 or less

Good one-way deal

£239 or less
Austrian Airlines
  • Austrian Airlines
  • 20/2-23/2
  • 2 total stops
  • 35h 00m total
  • Massachusetts to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 8/5
  • 1 total stop
  • 9h 00m total
  • Massachusetts to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Massachusetts to London (LON).
Search Deals
Price to beat on a one-way flight from Massachusetts to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Massachusetts to London 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 21 December 2025.
Use the filters below to find and compare flights from Massachusetts to London that are best for you.

Fly from

Massachusetts

Fly to

London

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/2

19:10-06:55

Nonstop6h 45m

London Heathrow

Sun 15/2

09:20-12:16

Nonstop7h 56m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 31/12

05:20-10:50

1 stop24h 30m

London Heathrow

Sat 17/1

13:25-14:52

1 stop30h 27m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 26/1

19:12-06:55

Nonstop6h 43m

London Heathrow

Thu 29/1

09:20-12:16

Nonstop7h 56m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 16/2

19:12-06:55

Nonstop6h 43m

London Heathrow

Thu 19/2

09:20-12:16

Nonstop7h 56m

£377

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 6/1

18:40-20:35

1 stop20h 55m

London Heathrow

Thu 15/1

13:45-20:00

1 stop11h 15m

£377

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 18/1

22:10-18:15

2 stops15h 05m

London Luton

Sat 31/1

08:30-18:35

2 stops15h 05m

£379

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 31/12

20:00-07:50

Nonstop6h 50m

London Heathrow

Sat 17/1

06:30-13:30

1 stop12h 00m

£380

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 18/1

19:50-16:45

2 stops15h 55m

London Luton

Fri 30/1

05:50-17:50

2 stops17h 00m

£380

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 7/1

18:40-20:35

1 stop20h 55m

London Heathrow

Wed 14/1

09:00-15:15

2 stops35h 15m

£380

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 7/1

18:40-20:35

1 stop20h 55m

London Heathrow

Sat 24/1

13:25-13:13

2 stops28h 48m

£383

Flights are sorted by cheapest return flights first.

Deals found on 20/12

Showing 1-10 of 60 results
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Best time to book a flight from Massachusetts to London

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

Cheapflights Insights

Everything you need to know about your flight from Massachusetts to London

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

Currently, August is the cheapest month in which you can book a flight from Massachusetts to London (average of £232). Flying from Massachusetts to London in June is currently the most expensive (average of £419). 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 MA to LON?

Find hourly flight availability from Massachusetts to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 December 2025.

One of the essential ways to save on airfare from Massachusetts to London is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the afternoon could potentially save you up to 36% on airfare.

Weekly flight availability from Massachusetts to London

Explore weekly flight availability from Massachusetts to London. 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 December 2025.

The most flights from USMA to LON are scheduled on a Saturday (32 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (22 on average).

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Massachusetts to London?

    For as low as £377, JetBlue can have you in London from Massachusetts in 6h 45m. There are 3254 mi between Massachusetts and London. This flight may include one or multiple stops.

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

    The cheapet airlines for a one-way flight from Massachusetts to London are JetBlue (£96), Icelandair (£121), and Air France (£124).

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

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

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

    Consider KLM (90%), Malaysia Airlines (90%) or Air France (89%) when booking your flight. These represent the most reliable airlines when flying from Massachusetts to London.

  • What are the cheapest flights from Massachusetts to London?

    The cheapest flight price from Massachusetts to London is £130. On average you can expect to pay £832. The most popular route, (Boston Logan Intl - London Heathrow), can usually be booked for £287.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Massachusetts to London (average of £232). Flying from Massachusetts to London in June is currently the most expensive (average of £419). 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 London?

Book flights to London if you plan to visit one of these locations
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Ilford
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Bishop's Stortford
Chelmsford

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Alternative routes for Massachusetts to London

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Massachusetts to London

Discover the top 9 airlines that operate flights from Massachusetts to London. 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 21 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£231Average£576FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapest£288Average£423FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£355Average£496FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£357Average£567FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£358Average£582FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£360Average£452FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£376Average£503FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£382Average£572FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£386Average£580FlexibilityNo cancel feeOn-timeN/A
Search Delta 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 Massachusetts to London?

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 London from Massachusetts today with Cheapflights!

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

Cheapflights helps you find that perfect flight to London from Massachusetts 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 Massachusetts to London with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Massachusetts to London, users can toggle the no change fees filter when performing a flight search.

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

Of course! You can now track prices for flights from Massachusetts to London and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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