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$262+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
Jun 4 — Jun 111
Thu 6/4
Thu 6/11
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 May 5, 2026.

This LEVEL deal was found by Cheapflights users on 4/30. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:00 pm
BOS
-
LHR
1 stop29h 10m
LEVEL
Sun 9/279:55 am
LHR
-
BOS
1 stop17h 10m
LEVEL
Deal found 4/30$629
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/236:50 pm
BOS
-
LHR
1 stop10h 10m
Air Canada
Tue 8/256:00 am
LHR
-
BOS
2 stops15h 08m
Air Canada
Deal found 4/30$630
This LEVEL deal was found by Cheapflights users on 4/29. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2711:50 pm
BOS
-
LHR
1 stop28h 20m
LEVEL
Sun 10/49:55 am
LHR
-
BOS
1 stop17h 10m
LEVEL
Deal found 4/29$635
This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/188:05 pm
BOS
-
LHR
1 stop11h 45m
Multiple Airlines
Thu 8/208:45 am
LHR
-
BOS
1 stop11h 25m
Multiple Airlines
Deal found 4/30$639
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Mon 8/3111:00 pm
BOS
-
LHR
1 stop16h 20m
Icelandair
Mon 9/71:05 pm
LHR
-
BOS
1 stop13h 40m
Icelandair
Deal found 4/30$640
This LEVEL deal was found by Cheapflights users on 4/30. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/911:00 pm
BOS
-
LGW
1 stop32h 15m
LEVEL
Wed 9/164:30 pm
LGW
-
BOS
1 stop33h 45m
LEVEL
Deal found 4/30$640
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Thu 9/2411:00 pm
BOS
-
STN
1 stop17h 00m
Multiple Airlines
Wed 9/3012:25 pm
STN
-
BOS
1 stop13h 50m
Multiple Airlines
Deal found 5/1$640
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Wed 8/198:05 pm
BOS
-
LHR
1 stop11h 45m
United Airlines
Fri 8/2112:10 pm
LHR
-
BOS
1 stop12h 45m
United Airlines
Deal found 5/3$641
This Mytrip deal was found by Cheapflights users on 5/1. 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 5/114:45 pm
BOS
-
LTN
2 stops16h 35m
Multiple Airlines
Thu 5/145:30 pm
LTN
-
BOS
2 stops26h 15m
Multiple Airlines
Deal found 5/1$641
This Gotogate deal was found by Cheapflights users on 4/30. 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.
Sat 8/298:50 pm
BOS
-
LGW
1 stop9h 55m
Icelandair
Wed 9/163:40 pm
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 4/30$641
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/318:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Sun 9/69:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 4/29$642
This deal was found by Cheapflights users on 5/1. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:50 pm
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 5/141:00 pm
LGW
-
BOS
1 stop10h 50m
Icelandair
Deal found 5/1$642

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 May 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$629
(LEVEL)

One-way from

$262
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$680

Good round-trip deal

$789 or less

Good one-way deal

$334 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. 16% potential increase in price ($118 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($19 potential savings vs. average RT 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 (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 May 5, 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

Wed 7/29

10:55 pm-6:05 pm

1 stop14h 10m

London Luton

Wed 8/12

5:40 am-9:05 pm

1 stop20h 25m

$727

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 5/30

9:20 pm-1:45 pm

1 stop11h 25m

London Luton

Sat 6/6

8:00 am-7:50 pm

1 stop16h 50m

$732

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 5/12

11:30 pm-10:10 pm

1 stop17h 40m

London Luton

Tue 5/19

9:40 am-6:50 pm

1 stop14h 10m

$747

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/22

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Thu 9/3

6:30 am-1:19 pm

1 stop11h 49m

$754

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Tue 5/26

5:25 pm-9:15 am

1 stop10h 50m

London Luton

Tue 6/2

4:10 pm-10:00 pm

1 stop10h 50m

$762

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 8/15

7:30 pm-10:20 am

1 stop9h 50m

London Heathrow

Sun 8/23

6:55 pm-9:20 pm

Nonstop7h 25m

$766

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Mon 9/7

9:45 pm-4:00 pm

1 stop13h 15m

London Gatwick

Thu 9/17

10:25 am-10:36 pm

2 stops17h 11m

$784

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 8/9

7:10 pm-6:45 am

Nonstop6h 35m

London Heathrow

Sat 8/15

6:55 pm-9:20 pm

Nonstop7h 25m

$791

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 10/10

5:20 pm-5:50 pm

1 stop19h 30m

London Heathrow

Tue 10/13

7:00 am-3:10 pm

2 stops13h 10m

$798

BostonLondon

BOS - LGW

BOSLGW

Boston Logan Intl

Thu 6/25

11:55 pm-8:30 am

1 stop27h 35m

London Gatwick

Thu 7/2

2:30 pm-9:45 pm

1 stop12h 15m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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

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

Booking 53 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.

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 $838). 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 May 5, 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 May 5, 2026.

The most flights from USMA to LON are scheduled on a Monday (31 on average). You will have fewer flight options on Thursday, 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?

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 6h 35m. KLM provides one of the quickest options available for as low as $754. 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 $164 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: Scandinavian Airlines (98%), JetBlue (93%), TAP AIR PORTUGAL (93%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $330. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $525 on average, our data indicates $2,005 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 $838). 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
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Borehamwood
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Sutton
Stansted

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 May 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$261Average$618FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$423Average$754FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$425Average$450FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$441Average$579FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$460Average$648FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$463Average$605FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$465Average$577FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$466Average$666FlexibilityNo cancel feeOn-time76%
FinnairCheapest$466Average$629FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$471Average$713FlexibilityNo cancel feeOn-time72%

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