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$622+ Cheap flights from Massachusetts to London, ON (YXU)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — YXU
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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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 January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$622
(Air Canada)
Provider with most accurate pricing for Boston Logan Intl-London flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-London flights.
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From Massachusetts to London
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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 January 8, 2026.

This Air Canada deal was found by Cheapflights users on 1/6. 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.
Tue 1/204:35 pmBOS - YXU
1 stop4h 46mAir Canada
Wed 1/215:40 pmYXU - BOS
1 stop4h 57mAir Canada
Deal found 1/6$622
This Air Canada deal was found by Cheapflights users on 1/7. 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 2/226:55 pmBOS - YXU
1 stop13h 51mAir Canada
Sun 3/15:40 pmYXU - BOS
1 stop4h 57mAir Canada
Deal found 1/7$646
This United Airlines deal was found by Cheapflights users on 1/7. 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.
Sat 2/217:48 amBOS - YXU
2 stops9h 17mUnited Airlines
Sat 2/289:25 amYXU - BOS
1 stop6h 32mUnited Airlines
Deal found 1/7$717
This Mytrip deal was found by Cheapflights users on 1/7. 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 2/2211:50 amBOS - YXU
3 stops18h 45mMultiple Airlines
Sun 3/18:10 pmYXU - BOS
2 stops22h 00mMultiple Airlines
Deal found 1/7$803

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 8, 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 - YXU

BOSYXU

Boston Logan Intl

Tue 1/20

4:35 pm-9:21 pm

1 stop4h 46m

London

Wed 1/21

5:40 pm-10:37 pm

1 stop4h 57m

$622

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 2/22

5:30 am-5:05 pm

2 stops11h 35m

London

Sun 3/1

5:10 am-10:02 am

1 stop4h 52m

$655

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sat 2/21

1:00 pm-5:05 pm

1 stop4h 05m

London

Sat 2/28

5:10 am-10:02 am

1 stop4h 52m

$708

BostonLondon

BOS - YXU

BOSYXU

Boston Logan Intl

Sun 2/22

11:50 am-6:35 am

3 stops18h 45m

London

Sun 3/1

8:10 pm-10:05 pm

3 stops25h 55m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

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, Ontario?

Currently, March is the cheapest month in which you can book a flight from Massachusetts to London, Ontario (average of $116). Flying from Massachusetts to London, Ontario in December is currently the most expensive (average of $260). 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.

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.

  • What airport do you fly into for flights to London from Massachusetts?

    London (YXU) is the airport you will fly into if you book a flight from Massachusetts to London. It is only a 5.3 mi journey from London (YXU) to London’s city center.

  • How long is the flight from Massachusetts to London, Ontario?

    A quick flight from Massachusetts to London, Ontario can take about 4h 46m. Air Canada provides one of the quickest options available for as low as $622. The distance between Massachusetts and London, Ontario is about 516 mi.

  • 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, Ontario?

    Currently, March is the cheapest month in which you can book a flight from Massachusetts to London, Ontario (average of $116). Flying from Massachusetts to London, Ontario in December is currently the most expensive (average of $260). 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
Grand Bend

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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.
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Top airline flying from Massachusetts to London

Discover the top airline 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 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$397Average$720FlexibilityNo cancel feeOn-time67%

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