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Cheap flights from Massachusetts to London Heathrow Airport from £242

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LHR
29 Jun — 6 Jul1
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 30 May 2026.

Wed 19/820:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Mon 24/821:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 26/5£553
Thu 10/1217:35
BOS
-
LHR
2 stops17h 50m
Scandinavian Airlines
Tue 15/1221:05
LHR
-
BOS
2 stops23h 35m
Scandinavian Airlines
Deal found 26/5£554
Tue 11/823:00
BOS
-
LHR
1 stop16h 20m
Icelandair
Tue 18/821:25
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 25/5£555
Sun 12/720:50
BOS
-
LHR
1 stop10h 05m
Multiple Airlines
Mon 27/709:50
LHR
-
BOS
1 stop10h 05m
Multiple Airlines
Deal found 25/5£556
Fri 28/817:40
BOS
-
LHR
1 stop10h 40m
Scandinavian Airlines
Sat 12/906:40
LHR
-
BOS
2 stops13h 55m
Scandinavian Airlines
Deal found 26/5£556
Tue 1/914:28
BOS
-
LHR
1 stop11h 27m
Austrian Airlines
Tue 8/906:00
LHR
-
BOS
1 stop12h 50m
Austrian Airlines
Deal found 26/5£557
Wed 15/720:50
BOS
-
LHR
1 stop10h 05m
Multiple Airlines
Wed 29/713:25
LHR
-
BOS
1 stop10h 25m
Multiple Airlines
Deal found 25/5£558
Thu 27/817:40
BOS
-
LHR
2 stops14h 15m
Scandinavian Airlines
Thu 3/906:40
LHR
-
BOS
1 stop13h 55m
Scandinavian Airlines
Deal found 25/5£559
Fri 18/920:50
BOS
-
LHR
1 stop18h 30m
Icelandair
Thu 24/913:05
LHR
-
BOS
1 stop10h 45m
Icelandair
Deal found 25/5£559
Wed 19/820:50
BOS
-
LHR
2 stops17h 00m
Multiple Airlines
Tue 1/913:05
LHR
-
BOS
1 stop10h 45m
Multiple Airlines
Deal found 25/5£560
Sat 5/917:40
BOS
-
LHR
2 stops17h 45m
Scandinavian Airlines
Mon 14/906:40
LHR
-
BOS
1 stop13h 55m
Scandinavian Airlines
Deal found 26/5£561
Tue 18/817:40
BOS
-
LHR
1 stop10h 40m
Scandinavian Airlines
Mon 24/806:40
LHR
-
BOS
1 stop13h 55m
Scandinavian Airlines
Deal found 25/5£562

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 30 May 2026.

Round-trip from

£553

One-way from

£242

Popular in

June

Cheapest in

October

Average price

£545

Good round-trip deal

£594 or less

Good one-way deal

£400 or less
Icelandair
  • Icelandair
  • 19/8-24/8
  • 2 total stops
  • 47h 50m total
  • Massachusetts to London
Search Deals
British Airways
  • British Airways
  • 16/9
  • 1 total stop
  • 16h 00m total
  • Massachusetts to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£84 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Massachusetts to London Heathrow.
Search Deals
Price to beat on a one-way flight from Massachusetts to London Heathrow.
Search Deals

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 30 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

17:40-16:25

2 stops17h 45m

London Heathrow

Mon 26/10

06:40-16:40

1 stop14h 00m

£573

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 12/11

17:35-16:25

2 stops17h 50m

London Heathrow

Wed 18/11

19:30-15:40

1 stop25h 10m

£573

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 23/9

20:50-11:55

1 stop10h 05m

London Heathrow

Sun 27/9

13:05-18:50

1 stop10h 45m

£576

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 15/8

18:25-21:00

1 stop21h 35m

London Heathrow

Fri 21/8

08:40-15:10

1 stop11h 30m

£582

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 16/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Sun 23/8

16:20-19:05

Nonstop7h 45m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 14/8

19:10-06:45

Nonstop6h 35m

London Heathrow

Fri 21/8

16:05-18:50

Nonstop7h 45m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 30/9

21:30-09:15

Nonstop6h 45m

London Heathrow

Wed 7/10

18:55-21:20

Nonstop7h 25m

£595

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 12/8

15:20-06:50

1 stop10h 30m

London Heathrow

Wed 19/8

20:10-22:35

Nonstop7h 25m

£599
Fastest return journey

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 10/8

23:10-10:40

Nonstop6h 30m

London Heathrow

Fri 14/8

09:40-12:19

Nonstop7h 39m

£617

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 25/7

21:30-09:15

Nonstop6h 45m

London Heathrow

Sat 15/8

18:55-21:20

Nonstop7h 25m

£617

Flights are sorted by cheapest return flights first.

Deals found on 27/5

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

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 £412). Flying from Massachusetts to London Heathrow Airport in January is currently the most expensive (average of £761). 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 30 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 30 May 2026.

The most flights from USMA to LHR are scheduled on a Wednesday (36 on average). You will have fewer flight options on Monday, 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?

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.

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?

    Scandinavian Airlines, Icelandair, and United Airlines can get you from Massachusetts to London Heathrow Airport in just under 10h 05m. Your travel time can differ by up to 11h 30m. 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: 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 £580, our data shows the cheapest flight currently is £335. When looking at the most popular route, (Boston Logan Intl - London Heathrow), you can expect to pay £424 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 £412). Flying from Massachusetts to London Heathrow Airport in January is currently the most expensive (average of £761). 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
Hounslow
Milton Keynes
Northampton
Wembley
Luton
Gatwick
Croydon
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Ipswich
Watford
Swindon
Romford
Guildford
Borehamwood

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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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Dulles Intl to Gatwick flights
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Philadelphia to Heathrow flights
LaGuardia to Stansted flights
Denver to Heathrow flights
Los Angeles to Stansted flights
Baltimore to Gatwick flights
Dulles Intl to London City flights
O'Hare Intl to Gatwick flights
Reagan-National to Gatwick flights
San Francisco to Gatwick flights
O'Hare Intl to Stansted flights
Tampa to Heathrow flights
Los Angeles to London City flights
Sky Harbor Intl to Heathrow flights
San Francisco to Stansted flights
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Orlando to Gatwick flights
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San Francisco to London City 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 30 May 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest£275Average£526FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
JetBlueCheapest£354Average£611FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
KLMCheapest£355Average£565FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£356Average£492FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£359Average£423FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£361Average£535FlexibilityNo cancel feeOn-time77%
Search Air France flights
IberiaCheapest£363Average£561FlexibilityNo cancel feeOn-time77%
Search Iberia flights
British AirwaysCheapest£375Average£520FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£384Average£530FlexibilityNo 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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