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$568+ Cheap flights from London, ON (YXU) to Boston (BOS)

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — BOS
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Find flight deals from London to Boston

Cheapest flights from London to Boston
Explore the most affordable flight options available from London to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:10 amYXU - BOS
1 stop4h 47mAir Canada
Wed 12/176:15 amBOS - YXU
1 stop10h 50mAir Canada
Deal found 10/28$568
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/209:25 amYXU - BOS
1 stop6h 32mAir Canada
Sat 11/2210:45 amBOS - YXU
1 stop6h 20mAir Canada
Deal found 10/28$588
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:40 pmYXU - BOS
1 stop4h 57mAir Canada
Thu 12/186:15 amBOS - YXU
1 stop10h 50mAir Canada
Deal found 10/27$626
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:10 pmYXU - BOS
3 stops27h 43mMultiple Airlines
Sat 11/223:40 pmBOS - YXU
3 stops27h 32mMultiple Airlines
Deal found 10/28$636
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/205:15 amYXU - BOS
1 stop4h 42mAir Canada
Thu 11/201:00 pmBOS - YXU
1 stop4h 05mAir Canada
Deal found 10/28$684
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/305:40 pmYXU - BOS
1 stop4h 57mAir Canada
Sun 1/47:55 pmBOS - YXU
1 stop12h 51mAir Canada
Deal found 10/28$828
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.
Thu 12/118:10 pmYXU - BOS
2 stops22h 01mMultiple Airlines
Thu 12/1810:20 amBOS - YXU
3 stops20h 14mMultiple Airlines
Deal found 10/27$853

Cheap flight deals from London to Boston

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$568
(Air Canada)

Popular in

January

Cheapest in

February

Average price

$518
Provider with most accurate pricing for London-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London-Boston Logan Intl flights.
Search Deals
From London to Boston Logan Intl
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to Boston 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 29, 2025.
Use the filters below to find and compare flights from London to Boston that are best for you.

Fly from

London

Fly to

Boston

Route

Depart

Return

Price

LondonBoston

YXU - BOS

YXUBOS

London

Wed 12/10

5:10 am-9:57 am

1 stop4h 47m

Boston Logan Intl

Wed 12/17

6:15 am-5:05 pm

1 stop10h 50m

$568

LondonBoston

YXU - BOS

YXUBOS

London

Thu 12/11

9:25 am-3:57 pm

1 stop6h 32m

Boston Logan Intl

Thu 12/18

5:30 am-5:05 pm

2 stops11h 35m

$573

LondonBoston

YXU - BOS

YXUBOS

London

Thu 11/20

9:25 am-3:57 pm

1 stop6h 32m

Boston Logan Intl

Sat 11/22

10:45 am-5:05 pm

1 stop6h 20m

$588

LondonBoston

YXU - BOS

YXUBOS

London

Thu 11/20

8:10 pm-11:53 pm

3 stops27h 43m

Boston Logan Intl

Sat 11/22

3:40 pm-7:12 pm

3 stops27h 32m

$636

LondonBoston

YXU - BOS

YXUBOS

London

Tue 12/30

5:40 pm-10:37 pm

1 stop4h 57m

Boston Logan Intl

Sun 1/4

7:55 pm-8:46 am

1 stop12h 51m

$828

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Compare providers for flights from London to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Boston in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London, Ontario-Boston flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on London, Ontario-Boston flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from London, Ontario-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London, Ontario-Boston flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London, Ontario-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from London 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 London to Boston

What is the cheapest month to book a flight from London, Ontario to Boston?

Currently, December is the cheapest month in which you can book a flight from London, Ontario to Boston (average of $124). Flying from London, Ontario to Boston in February is currently the most expensive (average of $243). 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 London to Boston. 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 London, Ontario to Boston?

    Airlines like Air Canada fly from London, Ontario to Boston in about 4h 47m. The time it takes to get you to your destination can typically vary by up to . The distance from London, Ontario to Boston is about 516 mi.

  • Can I find deals for flights from London to Boston that include hotel bookings?

    Yes. In addition to deals on London to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Boston.

  • Can I find deals for business class flights from London to Boston?

    Yes. Cheapflights offers flight deals from London to Boston 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 London, Ontario to Boston?

    Currently, December is the cheapest month in which you can book a flight from London, Ontario to Boston (average of $124). Flying from London, Ontario to Boston in February is currently the most expensive (average of $243). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Cambridge
Medford
Hampton Beach
Watertown
Seabrook
Seekonk
Lincoln
Lowell
Smithfield
Cranston
Chestnut Hill
Peabody
Quincy
York Beach
Warwick
Swansea
Old Orchard Beach
Brockton
Waltham
Chelsea

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