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$265+ Cheap flights from Massachusetts to London (LON)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap flight deals from Massachusetts to London

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 August 1, 2026.

This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1610:45 pm
BOS
-
LTN
2 stops20h 40m
Multiple Airlines
Tue 10/201:40 pm
LTN
-
BOS
2 stops35h 40m
Multiple Airlines
Deal found 7/31$625
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1411:00 pm
BOS
-
LGW
1 stop10h 40m
Icelandair
Mon 11/211:55 am
LGW
-
BOS
1 stop10h 55m
Icelandair
Deal found 7/30$625
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/238:50 pm
BOS
-
LHR
1 stop10h 05m
Multiple Airlines
Mon 11/28:50 pm
LHR
-
BOS
3 stops28h 10m
Multiple Airlines
Deal found 7/31$626
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1411:00 pm
BOS
-
LGW
1 stop10h 40m
Multiple Airlines
Thu 9/176:00 am
LGW
-
BOS
3 stops20h 26m
Multiple Airlines
Deal found 7/31$626
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:50 pm
BOS
-
LHR
1 stop10h 05m
Multiple Airlines
Mon 11/28:50 pm
LHR
-
BOS
3 stops28h 10m
Multiple Airlines
Deal found 7/30$628
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/95:40 pm
BOS
-
LGW
3 stops35h 40m
Multiple Airlines
Wed 9/2311:00 am
LGW
-
BOS
3 stops33h 35m
Multiple Airlines
Deal found 7/31$628
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/148:50 pm
BOS
-
LGW
2 stops18h 20m
Multiple Airlines
Mon 9/219:20 am
LGW
-
BOS
2 stops17h 25m
Multiple Airlines
Deal found 7/31$629
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:05 pm
BOS
-
LTN
2 stops14h 40m
Multiple Airlines
Mon 10/266:15 am
LTN
-
BOS
2 stops18h 40m
Multiple Airlines
Deal found 7/30$630
This Mytrip deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2210:20 pm
BOS
-
STN
2 stops20h 35m
Multiple Airlines
Mon 10/269:15 am
STN
-
BOS
2 stops15h 40m
Multiple Airlines
Deal found 7/30$630
This Gotogate deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2511:00 pm
BOS
-
LHR
1 stop31h 55m
Icelandair
Mon 10/199:25 pm
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 7/30$631
This Booking.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/108:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Tue 10/139:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 7/30$632
This Mytrip deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2210:45 pm
BOS
-
LTN
2 stops20h 00m
Multiple Airlines
Thu 10/18:00 am
LTN
-
BOS
2 stops35h 45m
Multiple Airlines
Deal found 7/29$632

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 August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$625
(Mytrip)

One-way from

$265
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$645

Good round-trip deal

$799 or less

Good one-way deal

$284 or less
Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.
Search Deals
From Massachusetts to London (LON)
Search Deals
One-way flight from Massachusetts to London (LON)
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($215 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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

 
Customize 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 2,558,603 searches. Data last updated August 1, 2026.
Use the filters below to find and compare flights from Massachusetts to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 10/25

11:40 pm-3:05 pm

1 stop11h 25m

London Luton

Mon 11/2

8:00 am-5:50 pm

1 stop14h 50m

$645

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 11/25

6:00 pm-8:50 pm

2 stops21h 50m

London Luton

Mon 11/30

7:45 am-2:40 pm

2 stops35h 55m

$664

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 9/25

3:35 pm-11:00 am

2 stops14h 25m

London Luton

Tue 9/29

5:40 am-9:26 pm

2 stops20h 46m

$673

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/27

6:00 am-9:20 pm

1 stop10h 20m

London Heathrow

Fri 8/28

5:55 pm-4:47 pm

2 stops27h 52m

$695

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 12/13

5:35 pm-9:20 am

1 stop10h 45m

London Heathrow

Wed 12/23

7:30 pm-3:40 pm

1 stop25h 10m

$697

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/23

9:40 pm-7:55 am

1 stop29h 15m

London Heathrow

Wed 8/26

6:55 am-5:40 pm

1 stop15h 45m

$699

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

Fri 8/21

12:27 pm-10:00 am

1 stop16h 33m

London Gatwick

Thu 9/3

2:00 pm-11:32 am

1 stop26h 32m

$716

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Wed 9/9

5:40 pm-9:20 am

1 stop10h 40m

London Heathrow

Mon 9/14

7:05 am-11:10 pm

2 stops21h 05m

$727

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/29

9:05 am-9:35 am

2 stops19h 30m

London Heathrow

Sat 9/5

6:40 am-3:35 pm

1 stop13h 55m

$749

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 8/24

5:40 pm-12:55 pm

2 stops14h 15m

London Heathrow

Mon 9/7

7:05 am-3:35 pm

2 stops37h 30m

$768

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 60 resultsSorted by cheapest first
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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 round-trip 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, January is the cheapest month in which you can book a flight from Massachusetts to London (average of $526). Flying from Massachusetts to London in June is currently the most expensive (average of $1,019). 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 August 1, 2026.

When flying from Massachusetts to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 1, 2026.

The most flights from USMA to LON are scheduled on a Friday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (16 on average).

How much does it cost to fly round-trip from Massachusetts to London?

Airfare is typical for this route at the moment.
Massachusetts to London flights typically cost between $515 and $786 in September.
The cheapest round-trip price found within the last 5 days was $625 on Multiple Airlines (Sep 29-Oct 11).

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

Booking 23 days in advance of your planned departure date is, on average, the best time to get cheap flights from Massachusetts to London. 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 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?

    A quick flight from Massachusetts to London can take about 10h. Scandinavian Airlines provides one of the quickest options available for as low as $679. Massachusetts and London 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 one-way?

    One-way options have recently been found by users for as low as $142 on JetBlue. Other airlines that offer cheap prices include Air France from $174 and Virgin Atlantic from $184 one-way.

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

    When deciding which route to take from Massachusetts to London consider Boston Logan Intl - London Heathrow, Boston Logan Intl - London Gatwick or Boston Logan Intl - London City as they are the most popular.

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

    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 on time: Gulf Air (93%), JetBlue (85%), TAP AIR PORTUGAL (85%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $238. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $516 on average, our data indicates $2,592 when flying from Massachusetts to London.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Massachusetts to London (average of $526). Flying from Massachusetts to London in June is currently the most expensive (average of $1,019). 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

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Southend-on-Sea
Watford
Dartford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

Browse thousands of different options on Cheapflights for your next trip

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Top 10 airlines flying from Massachusetts to London

Discover the top 10 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 2,558,603 searches. Data last updated August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$352Average$885FlexibilityNo cancel feeOn-time79%
Virgin AtlanticCheapest$417Average$745FlexibilityNo cancel feeOn-time72%
TAP AIR PORTUGALCheapest$425Average$446FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$425Average$666FlexibilityNo cancel feeOn-time62%
IcelandairCheapest$429Average$654FlexibilityNo cancel feeOn-time76%
FinnairCheapest$462Average$673FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$465Average$626FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$466Average$651FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$475Average$685FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$479Average$742FlexibilityNo cancel feeOn-time67%

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