London

$206+ 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — LON
Nov 29 — Dec 61
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Find 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/149:50 pmBOS - LHR
1 stop10h 10mMultiple Airlines
Mon 11/176:50 amLHR - BOS
2 stops13h 02mMultiple Airlines
Deal found 10/28$489
This oojo deal was found by Cheapflights users on 10/28. 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.
Sun 11/911:35 amBOS - LGW
1 stop18h 20mIcelandair
Fri 11/1411:55 amLGW - BOS
1 stop10h 55mIcelandair
Deal found 10/28$489
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:20 pmBOS - STN
1 stop9h 30mMultiple Airlines
Fri 1/912:00 pmSTN - BOS
1 stop11h 59mMultiple Airlines
Deal found 10/28$489
This Booking.com deal was found by Cheapflights users on 10/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:00 pmBOS - LHR
Nonstop6h 50mVirgin Atlantic
Tue 11/188:25 pmLHR - BOS
1 stop27h 30mVirgin Atlantic
Deal found 10/28$490
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Mon 11/104:20 pmBOS - LGW
2 stops22h 05mMultiple Airlines
Mon 11/179:40 amLGW - BOS
2 stops15h 40mMultiple Airlines
Deal found 10/27$490
This Mytrip deal was found by Cheapflights users on 10/27. 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.
Mon 11/104:20 pmBOS - STN
2 stops21h 00mMultiple Airlines
Mon 11/1710:15 amSTN - BOS
2 stops15h 05mMultiple Airlines
Deal found 10/27$490
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:05 amBOS - LTN
2 stops29h 40mMultiple Airlines
Fri 11/145:50 amLTN - BOS
1 stop12h 50mMultiple Airlines
Deal found 10/30$491
This Kiwi.com deal was found by Cheapflights users on 10/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:40 pmBOS - LHR
1 stop15h 25mMultiple Airlines
Fri 11/149:00 amLHR - BOS
1 stop16h 20mMultiple Airlines
Deal found 10/28$491
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/3010:15 amBOS - LGW
3 stops25h 55mMultiple Airlines
Thu 12/48:20 pmLGW - BOS
2 stops24h 37mMultiple Airlines
Deal found 10/29$491
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/271:00 pmBOS - STN
2 stops22h 35mMultiple Airlines
Thu 12/46:30 amSTN - BOS
2 stops17h 05mMultiple Airlines
Deal found 10/30$491
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/139:50 pmBOS - LHR
1 stop32h 25mUnited Airlines
Sun 11/169:00 amLHR - BOS
1 stop13h 50mUnited Airlines
Deal found 10/28$492
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:20 pmBOS - LGW
2 stops20h 00mMultiple Airlines
Wed 11/268:50 amLGW - BOS
2 stops16h 30mMultiple Airlines
Deal found 10/29$492

Cheap flight deals from Massachusetts to London

Keep the following information in mind while searching for Massachusetts to London flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$489
(Kiwi.com)

One-way from

$206
(Flightnetwork)

Popular in

June

Cheapest in

January

Average price

$545

Good round-trip deal

$464 or less

Good one-way deal

$316 or less
Provider with most accurate pricing for Boston Logan Intl-London (LON) flight deals.
Provider most trusted by Cheapflights users for Boston Logan Intl-London (LON) flights.
From Massachusetts to London (LON)
One-way flight from Massachusetts to London (LON)
Highest demand for flights based on searches. 14% potential increase in price ($107 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Massachusetts to London (LON).
Price to beat on a one-way flight from Massachusetts to London (LON).

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 October 30, 2025.
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

Mon 1/12

7:50 pm-2:00 pm

1 stop13h 10m

London Luton

Wed 1/21

8:00 am-5:50 pm

1 stop14h 50m

$489

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Fri 2/20

5:10 pm-8:55 am

1 stop10h 45m

London Luton

Mon 2/23

8:50 am-6:59 pm

1 stop15h 09m

$493

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Sun 11/9

9:20 pm-11:05 am

1 stop8h 45m

London Stansted

Fri 11/14

8:30 am-6:55 pm

1 stop15h 25m

$493

BostonLondon

BOS - LTN

BOSLTN

Boston Logan Intl

Sun 11/9

9:20 pm-11:45 am

1 stop9h 25m

London Luton

Sat 11/15

12:25 pm-6:55 pm

1 stop11h 30m

$495

BostonLondon

BOS - STN

BOSSTN

Boston Logan Intl

Fri 11/7

8:40 pm-9:20 pm

2 stops19h 40m

London Stansted

Tue 11/11

9:45 pm-10:37 pm

2 stops29h 52m

$495

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sat 1/17

7:10 pm-6:55 am

Nonstop6h 45m

London Heathrow

Mon 1/19

9:20 am-12:16 pm

Nonstop7h 56m

$504

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 2/13

6:40 pm-8:35 pm

1 stop20h 55m

London Heathrow

Thu 2/26

12:05 pm-8:00 pm

1 stop12h 55m

$505

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Mon 12/1

7:10 pm-6:50 am

Nonstop6h 40m

London Heathrow

Thu 12/4

8:55 am-4:20 pm

1 stop12h 25m

$507

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Sun 11/30

11:55 pm-11:25 am

Nonstop6h 30m

London Heathrow

Fri 12/5

9:00 am-4:20 pm

1 stop12h 20m

$507

BostonLondon

BOS - LHR

BOSLHR

Boston Logan Intl

Fri 11/14

11:55 pm-11:25 am

Nonstop6h 30m

London Heathrow

Thu 11/20

8:55 am-4:20 pm

1 stop12h 25m

$507

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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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 $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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Massachusetts to London in the evening. If you’re flexible enough to do this you can expect to save up to 28% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Massachusetts to London?

Use this chart to determine the cheapest time to fly round-trip from Massachusetts to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Massachusetts to London flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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. JetBlue provides one of the quickest options available for as low as $507. 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 $213 on Icelandair. Other airlines that offer cheap prices include Delta from $222 and KLM from $222 one-way.

  • What are the most popular routes from Massachusetts to London?

  • 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 (90%), Air France (90%), KLM (89%).

  • What are the cheapest flights from Massachusetts to London?

    Looking at all options, your cheapest flight can be booked for $196. While the most popular route (Boston Logan Intl - London Heathrow) can be booked for $32 on average, our data indicates $1,765 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
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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Alternative routes for Massachusetts to London

See prices for flight routes from nearby airports that may be better suited for you.

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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
SWISSCheapest$290Average$622FlexibilityNo cancel feeOn-time79%
JetBlueCheapest$333Average$648FlexibilityNo cancel feeOn-time62%
TAP AIR PORTUGALCheapest$367Average$450FlexibilityNo cancel feeOn-timeN/A
PLAYCheapest$380Average$582FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$387Average$582FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$391Average$611FlexibilityNo cancel feeOn-time77%
British AirwaysCheapest$393Average$640FlexibilityNo cancel feeOn-time70%
Scandinavian AirlinesCheapest$393Average$657FlexibilityNo cancel feeOn-time77%
Virgin AtlanticCheapest$399Average$649FlexibilityNo cancel feeOn-time72%
DeltaCheapest$401Average$862FlexibilityNo cancel feeOn-timeN/A

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