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$224+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 March 19, 2026.

This Booking.com deal was found by Cheapflights users on 3/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/65:35 pm
BOS
-
LHR
2 stops34h 20m
Scandinavian Airlines
Mon 11/96:40 am
LHR
-
BOS
1 stop14h 00m
Scandinavian Airlines
Deal found 3/16$500
This Mytrip deal was found by Cheapflights users on 3/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/266:05 pm
BOS
-
STN
2 stops21h 15m
Multiple Airlines
Wed 5/68:20 am
STN
-
BOS
2 stops17h 00m
Multiple Airlines
Deal found 3/18$504
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/149:40 pm
BOS
-
LTN
2 stops18h 35m
Multiple Airlines
Tue 4/216:00 am
LTN
-
BOS
2 stops18h 55m
Multiple Airlines
Deal found 3/16$505
This Gotogate deal was found by Cheapflights users on 3/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:00 pm
BOS
-
LGW
1 stop10h 40m
Icelandair
Wed 5/273:40 pm
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 3/17$505
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Mon 4/138:50 pm
BOS
-
LHR
1 stop10h 05m
Icelandair
Mon 4/209:25 pm
LHR
-
BOS
1 stop26h 25m
Icelandair
Deal found 3/14$506
This Super.com deal was found by Cheapflights users on 3/16. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/238:50 pm
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 4/303:40 pm
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 3/16$506
This Mytrip deal was found by Cheapflights users on 3/14. 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.
Sun 4/2610:40 pm
BOS
-
STN
2 stops16h 40m
Multiple Airlines
Tue 5/56:55 pm
STN
-
BOS
2 stops24h 50m
Multiple Airlines
Deal found 3/14$506
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/138:50 pm
BOS
-
STN
2 stops22h 30m
Multiple Airlines
Sun 4/195:55 am
STN
-
BOS
2 stops17h 55m
Multiple Airlines
Deal found 3/15$507
This Super.com deal was found by Cheapflights users on 3/15. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:50 pm
BOS
-
LHR
1 stop18h 30m
Icelandair
Sun 4/199:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 3/15$510
This oojo deal was found by Cheapflights users on 3/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1011:00 pm
BOS
-
LHR
1 stop16h 20m
Icelandair
Wed 5/279:25 pm
LHR
-
BOS
1 stop29h 20m
Icelandair
Deal found 3/15$512
This oojo deal was found by Cheapflights users on 3/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/128:50 pm
BOS
-
LGW
1 stop12h 50m
Icelandair
Thu 4/163:40 pm
LGW
-
BOS
1 stop11h 05m
Icelandair
Deal found 3/17$512
This Mytrip deal was found by Cheapflights users on 3/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:45 pm
BOS
-
STN
2 stops16h 35m
Multiple Airlines
Thu 5/146:00 am
STN
-
BOS
2 stops19h 20m
Multiple Airlines
Deal found 3/15$512

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$504
(Mytrip)

One-way from

$224
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$583

Good round-trip deal

$571 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. 14% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 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

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 4/17

11:00 pm-5:00 pm

2 stops13h 00m

London Luton

Fri 4/24

5:40 am-9:05 pm

1 stop20h 25m

$563

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sat 4/4

8:50 pm-11:25 pm

3 stops21h 35m

London Luton

Sat 4/11

6:15 pm-8:20 pm

3 stops31h 05m

$670

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 8/12

11:30 pm-3:25 pm

1 stop10h 55m

London Luton

Wed 8/19

6:15 am-2:55 pm

1 stop13h 40m

$672

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 4/26

7:25 pm-7:05 am

Nonstop6h 40m

London Heathrow

Wed 4/29

5:35 pm-8:05 pm

Nonstop7h 30m

$677

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 8/13

7:35 pm-7:10 am

Nonstop6h 35m

London Heathrow

Mon 8/31

8:10 pm-10:35 pm

Nonstop7h 25m

$677

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 4/23

9:50 pm-9:35 am

Nonstop6h 45m

London Heathrow

Fri 5/8

2:30 pm-5:00 pm

Nonstop7h 30m

$679

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 5/1

11:30 pm-5:25 pm

1 stop12h 55m

London Luton

Tue 5/5

1:10 pm-6:50 pm

1 stop10h 40m

$686

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 5/11

9:50 pm-10:10 pm

1 stop19h 20m

London Stansted

Mon 5/18

10:50 am-7:55 pm

1 stop38h 05m

$702

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 4/13

7:25 am-6:55 pm

Nonstop6h 30m

London Heathrow

Wed 4/15

2:30 pm-4:55 pm

Nonstop7h 25m

$708

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 9/3

5:40 pm-5:40 pm

1 stop19h 00m

London Heathrow

Sat 9/12

6:40 am-3:35 pm

1 stop13h 55m

$717

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

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, August is the cheapest month in which you can book a flight from Massachusetts to London (average of $310). Flying from Massachusetts to London in June is currently the most expensive (average of $561). 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 March 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 March 19, 2026.

The most flights from USMA to LON are scheduled on a Monday (34 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

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 40m. British Airways provides one of the quickest options available for as low as $677. 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 TAP AIR PORTUGAL from $178 and JetBlue from $183 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 (87%), Scandinavian Airlines (85%), KLM (83%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $224. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $441 on average, our data indicates $1,969 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, August is the cheapest month in which you can book a flight from Massachusetts to London (average of $310). Flying from Massachusetts to London in June is currently the most expensive (average of $561). 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
Croydon
Gatwick
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Sutton
Slough

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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$262Average$630FlexibilityNo cancel feeOn-time62%
SWISSCheapest$293Average$617FlexibilityNo cancel feeOn-time79%
PLAYCheapest$422Average$556FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$423Average$712FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$425Average$454FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$441Average$583FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$459Average$621FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$463Average$623FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$465Average$575FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$466Average$651FlexibilityNo cancel feeOn-time76%

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