HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$235+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Massachusetts to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 19, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/88:10 pm
BDL
-
LGW
1 stop32h 50m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
BDL
1 stop26h 38m
Multiple Airlines
Deal found 6/15$650
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:31 am
BDL
-
LGW
1 stop17h 29m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
BDL
1 stop26h 38m
Multiple Airlines
Deal found 6/15$666
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:27 pm
BDL
-
LGW
1 stop16h 33m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
BDL
1 stop26h 38m
Multiple Airlines
Deal found 6/15$689
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:31 am
BDL
-
LGW
1 stop17h 29m
Multiple Airlines
Wed 8/262:00 pm
LGW
-
BDL
2 stops27h 53m
Multiple Airlines
Deal found 6/15$699
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1011:31 am
BDL
-
LGW
1 stop17h 29m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
BDL
1 stop26h 38m
Multiple Airlines
Deal found 6/15$707
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/138:55 pm
BDL
-
LGW
1 stop32h 05m
Multiple Airlines
Sat 9/192:00 pm
LGW
-
BDL
1 stop35h 01m
Multiple Airlines
Deal found 6/16$718
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:27 pm
BDL
-
LGW
1 stop16h 33m
Multiple Airlines
Wed 8/262:00 pm
LGW
-
BDL
2 stops27h 53m
Multiple Airlines
Deal found 6/15$722
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/711:31 am
BDL
-
LGW
1 stop17h 29m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
BDL
1 stop26h 38m
Multiple Airlines
Deal found 6/15$729
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/912:27 pm
BDL
-
LGW
1 stop16h 33m
Multiple Airlines
Tue 8/252:00 pm
LGW
-
BDL
1 stop26h 38m
Multiple Airlines
Deal found 6/15$730
This United Airlines deal was found by Cheapflights users on 6/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/92:45 pm
ALB
-
LHR
1 stop15h 05m
United Airlines
Wed 11/116:50 am
LHR
-
ALB
2 stops22h 09m
United Airlines
Deal found 6/18$739
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1412:59 pm
BDL
-
LGW
2 stops16h 01m
Multiple Airlines
Sat 9/192:00 pm
LGW
-
BDL
1 stop35h 01m
Multiple Airlines
Deal found 6/17$740
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1912:27 pm
BDL
-
LGW
1 stop16h 33m
Multiple Airlines
Thu 8/272:00 pm
LGW
-
BDL
1 stop26h 32m
Multiple Airlines
Deal found 6/19$742

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 June 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$650
(Kiwi.com)

One-way from

$235
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$976

Good round-trip deal

$860 or less

Good one-way deal

$354 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. 23% potential increase in price ($194 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 June 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 June 19, 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

HartfordLondon

BDL - LGW

BDLLGW

Hartford Bradley Intl

Wed 8/19

12:27 pm-10:00 am

1 stop16h 33m

London Gatwick

Thu 8/27

2:00 pm-11:32 am

1 stop26h 32m

$742

AlbanyLondon

ALB - LHR

ALBLHR

Albany Intl

Mon 11/9

2:35 pm-8:25 am

2 stops12h 50m

London Heathrow

Wed 11/11

6:50 am-4:55 pm

2 stops15h 05m

$763

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 7/28

5:25 pm-9:15 am

1 stop10h 50m

London Luton

Sat 8/1

9:25 pm-6:22 pm

2 stops25h 57m

$774

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 10/11

5:40 pm-4:25 pm

2 stops17h 45m

London Heathrow

Fri 10/16

9:05 pm-3:35 pm

2 stops23h 30m

$776

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Wed 9/9

9:50 pm-10:10 pm

1 stop19h 20m

London Stansted

Wed 9/30

5:45 pm-7:55 pm

1 stop31h 10m

$781

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 9/6

5:40 pm-2:35 pm

2 stops15h 55m

London Heathrow

Thu 9/10

6:40 am-3:35 pm

1 stop13h 55m

$783

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/15

6:50 pm-10:00 am

1 stop10h 10m

London Heathrow

Wed 8/26

1:50 pm-7:55 pm

1 stop11h 05m

$786
Quickest round-trip

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 8/17

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Mon 8/24

6:55 pm-9:20 pm

Nonstop7h 25m

$800

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/13

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Sun 8/23

9:40 am-12:19 pm

Nonstop7h 39m

$800

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Tue 8/18

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Mon 8/31

9:40 am-12:19 pm

Nonstop7h 39m

$800

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 $522). Flying from Massachusetts to London in June is currently the most expensive (average of $937). 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 June 19, 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 June 19, 2026.

The most flights from USMA to LON are scheduled on a Wednesday (38 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (27 on average).

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

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

Booking 42 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 12h 50m. United Airlines provides one of the quickest options available for as low as $763. Massachusetts and London are separated by a distance of 3352 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 $172 on Icelandair. Other airlines that offer cheap prices include Air France from $174 and TAP AIR PORTUGAL from $190 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 (90%), JetBlue (83%), TAP AIR PORTUGAL (83%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $354. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $532 on average, our data indicates $2,010 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 $522). Flying from Massachusetts to London in June is currently the most expensive (average of $937). 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
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 June 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$254Average$591FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$425Average$446FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$441Average$639FlexibilityNo cancel feeOn-time76%
FinnairCheapest$454Average$652FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$460Average$663FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$463Average$594FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$465Average$586FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$466Average$666FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$470Average$732FlexibilityNo cancel feeOn-time72%
Air FranceCheapest$475Average$672FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.