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Cheap flights from Massachusetts to London Heathrow Airport from £154

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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
14 Feb — 21 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Massachusetts to Heathrow

Keep the following information in mind while searching for Massachusetts to Heathrow flight deals. Data was last updated 15 January 2026.

Round-trip from

£368

One-way from

£154

Popular in

June

Cheapest in

October

Average price

£421

Good round-trip deal

£390 or less

Good one-way deal

£205 or less
KLM
  • KLM
  • 11/2-25/2
  • Nonstop
  • 14h 40m total
  • Massachusetts to London
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Air Canada
  • Air Canada
  • 3/3
  • 1 total stop
  • 20h 55m 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).
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Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Massachusetts to London Heathrow.
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Price to beat on a one-way flight from Massachusetts to London Heathrow.
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Find flight deals from Massachusetts to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Massachusetts to Heathrow
Explore the most affordable flight options available from Massachusetts to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 January 2026.

Wed 11/206:00
BOS
-
LHR
1 stop10h 20m
United Airlines
Wed 18/206:35
LHR
-
BOS
2 stops16h 27m
United Airlines
Deal found 14/1£368
Thu 12/310:15
BOS
-
LHR
1 stop16h 55m
United Airlines
Tue 17/312:05
LHR
-
BOS
1 stop13h 15m
United Airlines
Deal found 13/1£368
Fri 13/206:00
BOS
-
LHR
1 stop9h 35m
United Airlines
Tue 17/212:05
LHR
-
BOS
1 stop13h 15m
United Airlines
Deal found 13/1£369
Wed 11/315:35
BOS
-
LHR
1 stop11h 35m
Air Canada
Wed 25/309:00
LHR
-
BOS
1 stop12h 50m
Air Canada
Deal found 13/1£370
Fri 23/105:30
BOS
-
LHR
1 stop20h 40m
Air Canada
Tue 27/109:00
LHR
-
BOS
2 stops29h 32m
Air Canada
Deal found 12/1£370
Tue 17/215:49
BOS
-
LHR
1 stop9h 31m
British Airways
Fri 27/211:40
LHR
-
BOS
Nonstop7h 40m
British Airways
Deal found 14/1£371
Mon 19/110:15
BOS
-
LHR
1 stop15h 55m
United Airlines
Sun 25/111:10
LHR
-
BOS
1 stop12h 25m
United Airlines
Deal found 12/1£372
Wed 28/119:15
BOS
-
LHR
Nonstop6h 45m
Finnair
Mon 2/213:30
LHR
-
BOS
Nonstop7h 45m
Finnair
Deal found 12/1£373
Fri 6/320:00
BOS
-
LHR
Nonstop6h 50m
Delta
Tue 10/306:20
LHR
-
BOS
1 stop15h 00m
Delta
Deal found 13/1£373
Wed 6/521:30
BOS
-
LHR
Nonstop6h 45m
KLM
Tue 12/509:55
LHR
-
BOS
1 stop11h 38m
KLM
Deal found 12/1£374
Sat 31/119:10
BOS
-
LHR
Nonstop6h 40m
Delta
Thu 12/206:30
LHR
-
BOS
1 stop11h 55m
Delta
Deal found 14/1£375
Sun 22/219:12
BOS
-
LHR
Nonstop6h 43m
JetBlue
Tue 24/209:20
LHR
-
BOS
Nonstop7h 59m
JetBlue
Deal found 13/1£376

Cheapflights Fare Finder

 
Customise your flight search to find flights from Massachusetts to Heathrow 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 15 January 2026.
Use the filters below to find and compare flights from Massachusetts to London Heathrow Airport that are best for you.

Fly from

Massachusetts

Fly to

Heathrow

Route

Depart

Return

Price

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 31/1

06:00-20:35

1 stop9h 35m

London Heathrow

Tue 3/2

13:45-20:20

1 stop11h 35m

£369

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 9/2

17:05-10:15

1 stop12h 10m

London Heathrow

Fri 20/2

13:05-16:00

Nonstop7h 55m

£371

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 12/3

21:00-07:50

Nonstop6h 50m

London Heathrow

Wed 18/3

09:00-17:20

1 stop12h 20m

£373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 1/2

20:00-07:50

Nonstop6h 50m

London Heathrow

Sun 8/2

06:20-13:40

1 stop12h 20m

£373

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 6/5

23:10-10:40

Nonstop6h 30m

London Heathrow

Tue 12/5

09:55-16:33

1 stop11h 38m

£374

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 2/5

18:50-06:30

1 stop30h 40m

London Heathrow

Tue 12/5

14:05-14:23

2 stops29h 18m

£374

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 25/2

06:00-20:35

1 stop9h 35m

London Heathrow

Sun 1/3

13:25-12:53

2 stops28h 28m

£374

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 10/3

19:34-06:40

1 stop31h 06m

London Heathrow

Sun 15/3

13:25-14:52

1 stop29h 27m

£375

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 6/2

19:12-06:55

Nonstop6h 43m

London Heathrow

Sun 8/2

09:20-12:20

Nonstop8h 00m

£376

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 6/3

20:00-07:50

Nonstop6h 50m

London Heathrow

Tue 10/3

13:05-17:00

Nonstop7h 55m

£378

Flights are sorted by cheapest return flights first.

Deals found on 13/1

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 Heathrow Airport

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

Currently, October is the cheapest month in which you can book a flight from Massachusetts to London Heathrow Airport (average of £324). Flying from Massachusetts to London Heathrow Airport in June is currently the most expensive (average of £442). 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 LHR?

Find hourly flight availability from Massachusetts to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 January 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Massachusetts to London Heathrow Airport as you normally would.

Weekly flight availability from Massachusetts to London Heathrow Airport

Explore weekly flight availability from Massachusetts to Heathrow. 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 15 January 2026.

The most flights from USMA to LHR are scheduled on a Monday (27 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).

How much does it cost for a return flight from Massachusetts to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Massachusetts to Heathrow. 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 Heathrow Airport?

    United Airlines, Virgin Atlantic, and Delta can get you from Massachusetts to London Heathrow Airport in just under 6h 50m. Your travel time can differ by up to 5h 20m. Massachusetts and London Heathrow Airport are separated by a distance of 3254 mi. This flight may include one or multiple stops.

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

    The most popular flight routes from Massachusetts to London Heathrow Airport are Boston Logan Intl - London Heathrow, Hartford Bradley Intl - London Heathrow and Albany Intl - London Heathrow.

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

    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 Massachusetts to London Heathrow Airport on time: Malaysia Airlines (91%), KLM (84%), Air France (84%).

  • What are the cheapest flights from Massachusetts to London Heathrow Airport?

    While on average a flight from Massachusetts to London Heathrow Airport is generally £446, our data shows the cheapest flight currently is £131. When looking at the most popular route, (Boston Logan Intl - London Heathrow), you can expect to pay £282 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Massachusetts to Heathrow 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 Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Massachusetts to London Heathrow Airport (average of £324). Flying from Massachusetts to London Heathrow Airport in June is currently the most expensive (average of £442). 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 Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Luton
Northampton
Slough
Gatwick
Hounslow
Wembley
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Swindon
Bedford
Chelmsford
Eastbourne
Romford

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Alternative routes for Massachusetts to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Boston to Stansted flights
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Baltimore to Gatwick flights
O'Hare Intl to Gatwick flights
Los Angeles to Gatwick flights
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George Bush Intcntl to Heathrow flights
Los Angeles to London City flights
Charlotte to Heathrow flights
O'Hare Intl to London City flights
San Francisco to Gatwick flights
Minneapolis to Heathrow flights
O'Hare Intl to Stansted flights
Los Angeles to Stansted flights
Tampa to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Raleigh to Heathrow flights
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Boston to Luton flights

Top 9 airlines flying from Massachusetts to Heathrow

Discover the top 9 airlines that operate flights from Massachusetts to Heathrow. 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 15 January 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest£354Average£611FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
FinnairCheapest£356Average£580FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£359Average£565FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£361Average£373FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Virgin AtlanticCheapest£362Average£455FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£375Average£498FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£380Average£571FlexibilityNo cancel feeOn-time77%
Search Iberia flights
DeltaCheapest£384Average£577FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air FranceCheapest£414Average£535FlexibilityNo cancel feeOn-time77%
Search Air France 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 Heathrow?

Deals for Massachusetts to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Massachusetts.

Can Cheapflights find flights from Massachusetts to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from Massachusetts to Heathrow with no change fees.

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

Yes! Start tracking prices for Massachusetts to Heathrow 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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