HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$221+ 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 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/210:10 pm
BOS
-
LHR
1 stop13h 10m
SWISS
Fri 2/61:45 pm
LHR
-
BOS
1 stop11h 15m
SWISS
Deal found 1/27$491
This Mytrip deal was found by Cheapflights users on 1/26. 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 4/238:50 pm
BOS
-
LGW
2 stops19h 35m
Multiple Airlines
Thu 4/308:40 am
LGW
-
BOS
2 stops18h 05m
Multiple Airlines
Deal found 1/26$491
This Mytrip deal was found by Cheapflights users on 1/27. 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 4/19:15 pm
BOS
-
STN
1 stop10h 35m
Multiple Airlines
Wed 4/88:30 am
STN
-
BOS
1 stop11h 35m
Multiple Airlines
Deal found 1/27$491
This Mytrip deal was found by Cheapflights users on 1/27. 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 4/19:15 pm
BOS
-
LTN
1 stop10h 20m
Multiple Airlines
Wed 4/81:50 pm
LTN
-
BOS
1 stop10h 00m
Multiple Airlines
Deal found 1/27$492
This Mytrip deal was found by Cheapflights users on 1/28. 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 2/116:40 pm
BOS
-
LHR
1 stop20h 55m
Multiple Airlines
Sat 2/147:25 pm
LHR
-
BOS
1 stop23h 40m
Multiple Airlines
Deal found 1/28$492
This Mytrip deal was found by Cheapflights users on 1/27. 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 2/1710:15 am
BOS
-
LGW
3 stops19h 35m
Multiple Airlines
Tue 2/249:40 pm
LGW
-
BOS
2 stops25h 55m
Multiple Airlines
Deal found 1/27$492
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/157:25 pm
BOS
-
STN
2 stops20h 40m
Multiple Airlines
Sun 3/226:10 am
STN
-
BOS
2 stops36h 00m
Multiple Airlines
Deal found 1/27$492
This Mytrip deal was found by Cheapflights users on 1/26. 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 4/128:50 pm
BOS
-
LTN
2 stops19h 50m
Multiple Airlines
Fri 4/176:20 am
LTN
-
BOS
2 stops17h 30m
Multiple Airlines
Deal found 1/26$493
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Thu 2/267:25 pm
BOS
-
LHR
1 stop8h 50m
Aer Lingus
Mon 3/210:00 am
LHR
-
BOS
1 stop11h 50m
Aer Lingus
Deal found 1/27$493
This oojo deal was found by Cheapflights users on 1/28. 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.
Wed 2/256:05 pm
BOS
-
LGW
1 stop10h 45m
TAP AIR PORTUGAL
Wed 3/49:35 am
LGW
-
BOS
2 stops34h 00m
TAP AIR PORTUGAL
Deal found 1/28$493
This Mytrip deal was found by Cheapflights users on 1/27. 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 1/287:50 pm
BOS
-
STN
2 stops17h 00m
Multiple Airlines
Tue 2/36:30 am
STN
-
BOS
2 stops16h 20m
Multiple Airlines
Deal found 1/27$493
This Mytrip deal was found by Cheapflights users on 1/27. 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 3/55:30 am
BOS
-
LTN
3 stops29h 30m
Multiple Airlines
Mon 3/96:00 am
LTN
-
BOS
3 stops17h 35m
Multiple Airlines
Deal found 1/27$494

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$491
(Mytrip)

One-way from

$221
(oojo)

Popular in

June

Cheapest in

October

Average price

$565

Good round-trip deal

$528 or less

Good one-way deal

$271 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 ($100 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 January 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 January 29, 2026.
Use the filters below to find and compare flights from Massachusetts to London that are best for you.

Fly from

Massachusetts

Fly to

London

Route

Depart

Return

Price

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Thu 3/5

5:30 am-4:00 pm

3 stops29h 30m

London Luton

Mon 3/9

6:00 am-7:35 pm

3 stops17h 35m

$494

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 3/20

6:40 pm-8:35 pm

1 stop21h 55m

London Heathrow

Wed 3/25

12:05 pm-9:20 pm

1 stop13h 15m

$510

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Wed 3/4

5:10 pm-8:35 am

1 stop10h 25m

London Luton

Mon 3/9

6:00 am-2:55 pm

1 stop12h 55m

$516

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 2/16

3:35 pm-8:00 pm

2 stops23h 25m

London Stansted

Tue 2/24

8:25 pm-2:52 pm

3 stops23h 27m

$517

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Mon 3/2

5:10 pm-7:50 am

1 stop9h 40m

London Stansted

Mon 3/9

11:30 am-7:55 pm

1 stop12h 25m

$517

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 3/9

8:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Fri 3/13

6:20 am-2:30 pm

1 stop12h 10m

$520

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 3/2

8:00 pm-7:50 am

Nonstop6h 50m

London Heathrow

Thu 3/5

6:20 am-1:30 pm

1 stop12h 10m

$520

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 3/2

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Sun 3/8

6:30 am-1:20 pm

1 stop11h 50m

$521

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Tue 3/17

1:00 pm-9:50 am

2 stops16h 50m

London Stansted

Mon 3/30

6:30 am-5:40 pm

2 stops16h 10m

$522

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Thu 2/19

7:12 pm-6:55 am

Nonstop6h 43m

London Heathrow

Fri 3/6

9:20 am-12:15 pm

Nonstop7h 55m

$524

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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, August is the cheapest month in which you can book a flight from Massachusetts to London (average of $311). 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 January 29, 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 January 29, 2026.

The most flights from USMA to LON are scheduled on a Wednesday (32 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (17 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. United Airlines provides one of the quickest options available for as low as $520. 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 $161 on Icelandair. Other airlines that offer cheap prices include TAP AIR PORTUGAL from $178 and JetBlue from $195 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: Malaysia Airlines (94%), Gulf Air (88%), American Airlines (84%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $223. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $383 on average, our data indicates $1,981 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 $311). 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
Southend-on-Sea
Harrow
Croydon
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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.

Alternative routes for Massachusetts to London

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Heathrow flights
Newark to Heathrow flights
Boston to Heathrow flights
LaGuardia to Heathrow flights
John F Kennedy Intl to Gatwick flights
John F Kennedy Intl to London City flights
Dulles Intl to Heathrow flights
Newark to Gatwick flights
Los Angeles to Heathrow flights
O'Hare Intl to Heathrow flights
San Francisco to Heathrow flights
Dallas/Fort Worth to Heathrow flights
John F Kennedy Intl to Stansted flights
LaGuardia to Gatwick flights
Seattle to Heathrow flights
Baltimore to Heathrow flights
Miami to Heathrow flights
John F Kennedy Intl to Luton flights
Boston to Gatwick flights
Atlanta to Heathrow flights
Orlando to Heathrow flights
Hobby to Heathrow flights
Denver to Heathrow flights
Boston to London City flights
Newark to Stansted flights
Dulles Intl to Gatwick flights
Newark to London City flights
Newark to Luton flights
Reagan-National to Heathrow flights
O'Hare Intl to Gatwick flights
Boston to Stansted flights
Philadelphia to Heathrow flights
O'Hare Intl to London City flights
Dulles Intl to Stansted flights
Dulles Intl to London City flights
Minneapolis to Heathrow flights
San Francisco to Gatwick flights
John F Kennedy Intl to Edinburgh flights
Tampa to Heathrow flights
Los Angeles to Gatwick flights
O'Hare Intl to Stansted flights
Austin to Heathrow flights
Newark to Edinburgh flights
Dallas/Fort Worth to Gatwick flights
Reagan-National to Gatwick flights
Baltimore to Gatwick flights
Los Angeles to Stansted flights
Detroit to Heathrow flights
George Bush Intcntl to Heathrow flights
San Francisco to London City flights

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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$266Average$637FlexibilityNo cancel feeOn-time62%
SWISSCheapest$320Average$622FlexibilityNo cancel feeOn-time79%
PLAYCheapest$380Average$509FlexibilityNo cancel feeOn-timeN/A
Scandinavian AirlinesCheapest$393Average$700FlexibilityNo cancel feeOn-time77%
TAP AIR PORTUGALCheapest$425Average$454FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$460Average$624FlexibilityNo cancel feeOn-time71%
IcelandairCheapest$465Average$583FlexibilityNo cancel feeOn-time76%
LufthansaCheapest$466Average$651FlexibilityNo cancel feeOn-time76%
Air FranceCheapest$467Average$608FlexibilityNo cancel feeOn-time77%
FinnairCheapest$467Average$620FlexibilityNo cancel feeOn-time76%

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.