Cheap flights from Massachusetts to London Heathrow Airport from £227

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 May 2026.

Fri 28/820:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 7/921:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 11/5£516
Thu 19/1119:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Sat 28/1112:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 11/5£517
Tue 1/1219:50
BOS
-
LHR
1 stop10h 00m
Icelandair
Thu 10/1212:15
LHR
-
BOS
1 stop10h 35m
Icelandair
Deal found 11/5£518
Thu 8/1020:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Sun 11/1013:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 11/5£521
Tue 13/1020:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Sat 17/1013:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 11/5£524
Tue 13/1020:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 19/1021:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 11/5£525
Sat 26/920:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Fri 9/1013:05
LHR
-
BOS
1 stop13h 40m
Icelandair
Deal found 11/5£527
Sun 20/920:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 5/1021:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 11/5£527
Wed 23/922:55
BOS
-
LHR
1 stop16h 10m
LEVEL
Thu 1/1009:55
LHR
-
BOS
1 stop16h 10m
LEVEL
Deal found 11/5£530
Tue 22/920:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Wed 7/1013:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 12/5£530
Wed 2/920:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Mon 14/921:25
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 12/5£531
Wed 2/920:50
BOS
-
LHR
1 stop10h 05m
Icelandair
Thu 10/913:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 11/5£532

Find flight deals from Massachusetts to Heathrow

Keep the following information in mind while searching for Massachusetts to Heathrow flight deals. Data was last updated 16 May 2026.

Round-trip from

£516

One-way from

£227

Popular in

June

Cheapest in

October

Average price

£530

Good round-trip deal

£570 or less

Good one-way deal

£328 or less
Icelandair
  • Icelandair
  • 28/8-7/9
  • 2 total stops
  • 36h 30m total
  • Massachusetts to London
Icelandair
  • Icelandair
  • 4/7
  • 1 total stop
  • 31h 55m total
  • Massachusetts to London
Highest demand for flights based on searches. 18% potential increase in price (£77 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Massachusetts to London Heathrow.
Price to beat on a one-way flight from Massachusetts to London Heathrow.

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 16 May 2026.
Use the filters below to find and compare flights from Massachusetts to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/10

18:25-21:00

1 stop21h 35m

London Heathrow

Mon 12/10

08:40-19:55

1 stop16h 15m

£558

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 3/11

19:10-06:50

Nonstop6h 40m

London Heathrow

Wed 11/11

06:30-13:25

1 stop11h 55m

£566

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 15/9

21:30-09:15

Nonstop6h 45m

London Heathrow

Tue 22/9

06:30-13:19

1 stop11h 49m

£566

AlbanyLondon

ALB - LHR

ALBLHR

Albany Intl

Tue 10/11

19:25-10:50

1 stop10h 25m

London Heathrow

Thu 12/11

06:50-16:55

2 stops15h 05m

£569
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 7/9

07:25-18:55

Nonstop6h 30m

London Heathrow

Sat 19/9

20:10-22:35

Nonstop7h 25m

£572

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 27/9

20:50-11:55

1 stop10h 05m

London Heathrow

Thu 1/10

21:25-21:45

1 stop29h 20m

£577

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/10

15:31-07:20

1 stop10h 49m

London Heathrow

Mon 12/10

15:15-23:54

1 stop13h 39m

£582

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 12/9

19:05-06:45

Nonstop6h 40m

London Heathrow

Wed 23/9

06:30-13:19

1 stop11h 49m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 5/8

21:20-12:05

1 stop9h 45m

London Heathrow

Fri 14/8

09:40-12:19

Nonstop7h 39m

£597

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 1/9

23:10-10:40

Nonstop6h 30m

London Heathrow

Sat 19/12

12:55-15:50

Nonstop7h 55m

£601

Flights are sorted by cheapest return flights first.

Deals found on 12/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from Massachusetts to London Heathrow Airport?

Booking 53 days in advance of your planned departure date is, on average, the best time to get cheap flights from Massachusetts to London Heathrow Airport. 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 Massachusetts to London Heathrow Airport?

Currently, August is the cheapest month in which you can book a flight from Massachusetts to London Heathrow Airport (average of £410). Flying from Massachusetts to London Heathrow Airport in January is currently the most expensive (average of £769). 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 16 May 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 16 May 2026.

The most flights from USMA to LHR are scheduled on a Tuesday (36 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (25 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, Delta, and British Airways can get you from Massachusetts to London Heathrow Airport in just under 6h 30m. Your travel time can differ by up to 15h 05m. Massachusetts and London Heathrow Airport are separated by a distance of 3254 mi. This flight may include one or multiple stops.

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

    For one-way options, check prices for JetBlue. According to our data, you can fly for as low as £97. Users have also found prices from £124 and £143 on Air France and Virgin Atlantic, respectively.

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

  • 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: Scandinavian Airlines (98%), JetBlue (93%), TAP AIR PORTUGAL (93%).

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

    While on average a flight from Massachusetts to London Heathrow Airport is generally £510, our data shows the cheapest flight currently is £267. When looking at the most popular route, (Boston Logan Intl - London Heathrow), you can expect to pay £356 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, August is the cheapest month in which you can book a flight from Massachusetts to London Heathrow Airport (average of £410). Flying from Massachusetts to London Heathrow Airport in January is currently the most expensive (average of £769). 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
Hounslow
Croydon
Wembley
Northampton
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Swindon
Ipswich
Southend-on-Sea
Guildford

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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.

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 16 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£277Average£530FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£356Average£616FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£357Average£570FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£359Average£496FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£361Average£419FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£363Average£512FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£366Average£566FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£374Average£502FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£387Average£533FlexibilityNo cancel feeOn-time71%
Search American Airlines 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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