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$228+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
May 18 — May 251
Mon 5/18
Mon 5/25
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 April 18, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/15. 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.
Tue 10/1311:00 pm
BOS
-
LTN
1 stop14h 05m
Multiple Airlines
Tue 10/2012:45 pm
LTN
-
BOS
1 stop13h 30m
Multiple Airlines
Deal found 4/15$550
This LEVEL deal was found by Cheapflights users on 4/14. 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.
Tue 10/611:00 pm
BOS
-
LHR
1 stop29h 10m
LEVEL
Tue 10/209:55 am
LHR
-
BOS
1 stop16h 20m
LEVEL
Deal found 4/14$551
This LEVEL deal was found by Cheapflights users on 4/17. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:00 pm
BOS
-
LGW
1 stop30h 50m
LEVEL
Wed 9/305:25 pm
LGW
-
BOS
1 stop32h 50m
LEVEL
Deal found 4/17$551
This LEVEL deal was found by Cheapflights users on 4/14. 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.
Tue 9/2911:00 pm
BOS
-
LGW
1 stop32h 15m
LEVEL
Tue 10/1310:10 am
LGW
-
BOS
1 stop16h 05m
LEVEL
Deal found 4/14$556
This Mytrip deal was found by Cheapflights users on 4/14. 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 4/308:50 pm
BOS
-
LTN
2 stops21h 50m
Multiple Airlines
Mon 5/45:55 am
LTN
-
BOS
2 stops20h 50m
Multiple Airlines
Deal found 4/14$560
This LEVEL deal was found by Cheapflights users on 4/14. 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.
Tue 9/2211:00 pm
BOS
-
LGW
1 stop27h 15m
LEVEL
Tue 9/297:20 am
LGW
-
BOS
1 stop18h 55m
LEVEL
Deal found 4/14$561
This LEVEL deal was found by Cheapflights users on 4/15. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2911:00 pm
BOS
-
LHR
1 stop16h 05m
LEVEL
Tue 10/69:55 am
LHR
-
BOS
1 stop16h 20m
LEVEL
Deal found 4/15$562
This Kiwi.com deal was found by Cheapflights users on 4/13. 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 5/1311:00 pm
BOS
-
LTN
2 stops13h 00m
Multiple Airlines
Wed 5/205:40 am
LTN
-
BOS
1 stop20h 25m
Multiple Airlines
Deal found 4/13$563
This LEVEL deal was found by Cheapflights users on 4/17. 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 LEVEL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2411:00 pm
BOS
-
LHR
1 stop29h 10m
LEVEL
Wed 9/308:50 pm
LHR
-
BOS
1 stop29h 25m
LEVEL
Deal found 4/17$563
This Kiwi.com deal was found by Cheapflights users on 4/17. 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.
Fri 5/158:50 pm
BOS
-
STN
2 stops14h 15m
Multiple Airlines
Tue 5/196:45 pm
STN
-
BOS
1 stop31h 20m
Multiple Airlines
Deal found 4/17$564
This Mytrip deal was found by Cheapflights users on 4/13. 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.
Sun 4/268:50 pm
BOS
-
LGW
3 stops30h 50m
Multiple Airlines
Wed 4/298:50 pm
LGW
-
BOS
3 stops29h 55m
Multiple Airlines
Deal found 4/13$565
This Mytrip deal was found by Cheapflights users on 4/12. 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.
Sat 4/258:50 pm
BOS
-
STN
2 stops16h 40m
Multiple Airlines
Thu 4/308:15 am
STN
-
BOS
2 stops18h 30m
Multiple Airlines
Deal found 4/12$565

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 April 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$550
(Kiwi.com)

One-way from

$228
(Trip.com)

Popular in

June

Cheapest in

October

Average price

$624

Good round-trip deal

$712 or less

Good one-way deal

$328 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. 15% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 18, 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 5/13

1:29 pm-12:35 pm

2 stops18h 06m

London Luton

Wed 5/20

6:15 am-5:04 pm

1 stop15h 49m

$714

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Mon 7/27

11:00 pm-6:05 pm

1 stop14h 05m

London Luton

Tue 8/18

5:40 am-9:15 pm

1 stop20h 35m

$725

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 5/1

7:00 am-7:15 am

1 stop19h 15m

London Heathrow

Mon 5/4

9:55 am-11:15 pm

2 stops18h 20m

$727

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Sun 5/3

12:55 pm-7:10 am

1 stop13h 15m

London Heathrow

Thu 5/7

1:25 pm-12:33 am

1 stop16h 08m

$728

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Tue 5/12

6:59 pm-1:05 pm

1 stop13h 06m

London Heathrow

Sat 5/16

11:45 am-12:33 am

2 stops17h 48m

$730

AlbanyLondon

ALB - LHR

ALBLHR

Albany Intl

Wed 4/29

1:10 pm-1:15 pm

1 stop19h 05m

London Heathrow

Tue 5/5

6:15 am-4:35 pm

2 stops15h 20m

$730

AlbanyLondon

ALB - LHR

ALBLHR

Albany Intl

Tue 5/5

1:10 pm-6:25 am

1 stop12h 15m

London Heathrow

Tue 5/12

11:30 am-11:18 pm

2 stops16h 48m

$730

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Wed 9/2

1:00 pm-10:20 am

2 stops16h 20m

London Heathrow

Sat 12/12

8:40 am-11:37 pm

2 stops19h 57m

$734

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 5/6

8:50 pm-9:30 pm

3 stops19h 40m

London Luton

Wed 5/13

6:15 am-10:39 pm

2 stops21h 24m

$734

HartfordLondon

BDL - LHR

BDLLHR

Hartford Bradley Intl

Fri 5/1

7:01 pm-1:15 pm

1 stop13h 14m

London Heathrow

Mon 5/4

1:25 pm-11:59 pm

1 stop15h 34m

$735

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/15

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 $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 April 18, 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 April 18, 2026.

The most flights from USMA to LON are scheduled on a Wednesday (39 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 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 13h 15m. Delta provides one of the quickest options available for as low as $728. Massachusetts and London are separated by a distance of 3340 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 JetBlue from $195 and Air France from $199 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 (95%), KLM (93%), Delta (91%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $268. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $525 on average, our data indicates $1,974 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 April 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$263Average$613FlexibilityNo cancel feeOn-time62%
Scandinavian AirlinesCheapest$423Average$700FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$425Average$450FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$441Average$583FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$460Average$640FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$463Average$623FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$465Average$576FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$466Average$666FlexibilityNo cancel feeOn-time76%
FinnairCheapest$466Average$624FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$471Average$699FlexibilityNo cancel feeOn-time72%

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