London

$265+ Cheap flights from Toronto (YTO) 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — LON
Aug 4 — Aug 111
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Cheapflights Tip: The best prices from Toronto to London are usually found in February or May, booked 74 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap flight deals from Toronto to London

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to London (LON). 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 July 30, 2025.

Round-trip from

$534
(Air Transat)

One-way from

$265
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$770

Good round-trip deal

$606 or less

Good one-way deal

$277 or less
From Toronto (YTO) to London (LON)
One-way flight from Toronto (YTO) to London (LON)
Highest demand for flights based on searches. 3% potential increase in price ($25 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 July 2025
Price to beat on a round-trip flight from Toronto (YTO) to London (LON).
Price to beat on a one-way flight from Toronto (YTO) to London (LON).

Find flight deals from Toronto to London

Cheapest flights from Toronto to London
Explore the most affordable flight options available from Toronto to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip deal was found by Cheapflights users on 7/30. 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 9/2511:55 pmYYZ - LGW
1 stop16h 30mMultiple Airlines
Wed 10/810:00 pmLGW - YYZ
2 stops24h 10mMultiple Airlines
Deal found 7/30$535
This Cheapflightsfares deal was found by Cheapflights users on 7/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:05 pmYYZ - LHR
Nonstop7h 10mBritish Airways
Mon 10/65:15 pmLHR - YYZ
Nonstop7h 55mBritish Airways
Deal found 7/29$537
This SmartFares deal was found by Cheapflights users on 7/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/1711:15 pmYYZ - LGW
1 stop29h 35mAir Transat
Sun 10/2611:40 amLGW - YYZ
Nonstop8h 20mAir Transat
Deal found 7/30$537
This Delta deal was found by Cheapflights users on 7/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:30 pmYYZ - LHR
Nonstop7h 10mDelta
Wed 10/229:55 amLHR - YYZ
1 stop15h 00mDelta
Deal found 7/30$538
This Virgin Atlantic deal was found by Cheapflights users on 7/29. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1110:30 pmYYZ - LHR
Nonstop7h 10mVirgin Atlantic
Mon 10/208:40 amLHR - YYZ
1 stop16h 15mVirgin Atlantic
Deal found 7/29$540
This FlightHub deal was found by Cheapflights users on 7/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/68:50 pmYYZ - LGW
1 stop9h 55mIcelandair
Tue 9/163:40 pmLGW - YYZ
1 stop11h 15mIcelandair
Deal found 7/30$540
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:00 pmYYZ - LHR
1 stop31h 55mIcelandair
Tue 10/149:25 pmLHR - YYZ
1 stop26h 45mIcelandair
Deal found 7/29$542
This Lufthansa deal was found by Cheapflights users on 7/30. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:10 pmYYZ - LHR
Nonstop7h 20mLufthansa
Tue 11/116:00 pmLHR - YYZ
Nonstop8h 10mLufthansa
Deal found 7/30$544
This Porter Airlines deal was found by Cheapflights users on 7/28. 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 Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:50 pmYYZ - LGW
Nonstop7h 05mPorter Airlines
Wed 9/249:40 amLGW - YYZ
Nonstop8h 05mPorter Airlines
Deal found 7/28$544
This Austrian Airlines deal was found by Cheapflights users on 7/29. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:30 pmYYZ - LHR
1 stop32h 50mAustrian Airlines
Sun 11/236:00 amLHR - YYZ
2 stops39h 10mAustrian Airlines
Deal found 7/29$557
This British Airways deal was found by Cheapflights users on 7/30. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/127:29 amYYZ - LGW
2 stops31h 31mBritish Airways
Sun 10/192:45 pmLGW - YYZ
1 stop26h 15mBritish Airways
Deal found 7/30$570
This United Airlines deal was found by Cheapflights users on 7/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/113:00 pmYYZ - LHR
1 stop11h 15mUnited Airlines
Thu 9/181:45 pmLHR - YYZ
2 stops23h 11mUnited Airlines
Deal found 7/27$580

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto 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 July 30, 2025.
Use the filters below to find and compare flights from Toronto to London that are best for you.

Fly from

Toronto

Fly to

London

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 9/25

11:55 pm-9:25 pm

1 stop16h 30m

London Gatwick

Wed 10/8

10:00 pm-5:10 pm

2 stops24h 10m

$535

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 9/8

6:05 pm-6:15 am

Nonstop7h 10m

London Heathrow

Mon 10/6

5:15 pm-8:10 pm

Nonstop7h 55m

$537

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 10/17

11:15 pm-9:50 am

1 stop29h 35m

London Gatwick

Sun 10/26

11:40 am-4:00 pm

Nonstop8h 20m

$537

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 10/15

10:30 pm-10:40 am

Nonstop7h 10m

London Heathrow

Wed 10/22

9:55 am-7:55 pm

1 stop15h 00m

$538

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 10/11

10:30 pm-10:40 am

Nonstop7h 10m

London Heathrow

Mon 10/20

8:40 am-7:55 pm

1 stop16h 15m

$540

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 9/6

8:50 pm-11:45 am

1 stop9h 55m

London Gatwick

Tue 9/16

3:40 pm-9:55 pm

1 stop11h 15m

$540

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 9/17

11:00 pm-11:55 am

1 stop31h 55m

London Heathrow

Tue 10/14

9:25 pm-7:10 pm

1 stop26h 45m

$542

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 10/1

4:00 pm-6:30 am

1 stop9h 30m

London Heathrow

Wed 10/22

8:30 am-11:25 am

Nonstop7h 55m

$544

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 9/16

7:50 pm-7:55 am

Nonstop7h 05m

London Gatwick

Wed 9/24

9:40 am-12:45 pm

Nonstop8h 05m

$544

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 9/30

9:20 pm-6:30 am

1 stop28h 10m

London Heathrow

Thu 10/16

3:00 pm-7:45 pm

2 stops33h 45m

$566

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 53 results
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The best insider tips for Toronto to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto to London trip
Airlines
Air Canada

Air Canada's Signature Class offers lie-flat seats and a 6’7” bed with a pillow and duvet.


Air Canada's Preferred Seats provide up to four extra inches of space in exit and bulkhead rows.

Read more about Air Canadaby Jessica Macdonald
British Airways

BA's Club Suite features solo pods with a door for privacy on select aircraft.


BA's World Traveller offers 31-inch legroom, inflight entertainment, and complimentary meals.

Lufthansa

Lufthansa's Allegris cabins offer 31-inch pitch seats with adjustable headrests for enhanced comfort.


Lufthansa's Sleeper's Row lets you spread across three seats with a mattress and blanket.

Read more about Lufthansaby Blane Bachelor
Airports
YYZ

Toronto Pearson offers fast and reliable Wi-Fi throughout the airport, perfect for staying connected before your flight.

Read more about YYZby Kaitlyn McInnis
LHR

Take the Heathrow Express for the fastest route to central London, reaching Paddington Station quickly and efficiently.

Read more about LHRby Ramsey Qubein
Our travel experts
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

Jessica Macdonald

Jessica Macdonald

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more
Blane Bachelor

Blane Bachelor

Expert on Lufthansa

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more

Best time to book a flight from Toronto to London

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

How far ahead should I book a flight from Toronto to London?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to London. Price data was last updated on July 25, 2025.

The price you pay for your flight from Toronto to London may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Toronto to London?

Currently, November is the cheapest month in which you can book a flight from Toronto to London (average of $661). Flying from Toronto to London in June is currently the most expensive (average of $1,097). 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 YTO to LON?

Find hourly flight availability from Toronto 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 July 30, 2025.

One of the essential ways to save on airfare from Toronto to London is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 20% on airfare.

Weekly flight availability from Toronto to London

Explore weekly flight availability from Toronto 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 July 30, 2025.

The most flights from YTO to LON are scheduled on a Tuesday (50 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (36 on average).

What’s the top layover airport for flights from Toronto to London?

Share of 1-stop round-trip flights from Toronto to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Montreal (YUL) – chosen by Cheapflights users on 44% of 1-stop itineraries from Toronto to London on Cheapflights.

What’s the cheapest layover airport for flights from Toronto to London?

Average round-trip fare for 1-stop flights from Toronto to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Reykjavik (KEF) is the most affordable 1-stop option, with an average round-trip price of $429.

What’s the fastest layover option from Toronto to London?

Shortest average travel time for 1-stop one-way flights from Toronto to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Dublin (DUB) have the shortest average one-way travel time for 1-stop routes: 9h 33m.

Which airport typically offers the quickest layover for flights from Toronto to London?

Average layover duration for 1-stop one-way flights from Toronto to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Reykjavik (KEF) offer the fastest connection on this route, with an average layover time of 1h 20m.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Toronto to London, such as Delta, Porter Airlines, and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Crew

8.5

Entertainment

7.9

Boarding

8.2

Food

7.3

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Toronto to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Toronto to London round-trip?

    Our cheapest airline available from Toronto to London is Air Transat. Our recent data shows that you can find tickets from as low as $534 on this airline. Additional options worth looking into are British Airways and Delta, starting at $537 and $538 round-trip. Air Transat is 13% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Toronto to London one-way?

    The cheapest airline one-way is TAP AIR PORTUGAL, with whom users have recently found tickets for as low as $266. However, be on the lookout for offers from WestJet and Air Transat, as they are both options that can get you from Toronto to London for a low price.

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

  • What are the most reliable airlines from Toronto to London?

    Consider Croatia Airlines (88%), KLM (87%) or Air France (87%) when booking your flight. These represent the most reliable airlines when flying from Toronto to London.

  • What are the cheapest flights from Toronto to London?

    On average you can expect to pay $1,818 for a flight from Toronto to London. The cheapest flight overall is $303 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at $527.

  • Where are the most common layover locations when flying from Toronto to London?

  • Where are the least popular layover locations for Toronto to London flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto 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 Toronto to London?

    Currently, November is the cheapest month in which you can book a flight from Toronto to London (average of $661). Flying from Toronto to London in June is currently the most expensive (average of $1,097). 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?

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Hounslow
Hayes
Thornton Heath
Harrow
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Watford
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Borehamwood
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Eastbourne

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Top 10 airlines flying from Toronto to London

Discover the top 10 airlines that operate flights from Toronto 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest$462Average$701FlexibilityNo cancel feeOn-time50%
IcelandairCheapest$472Average$649FlexibilityNo cancel feeOn-time76%
Aer LingusCheapest$483Average$669FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$497Average$687FlexibilityNo cancel feeOn-time67%
Virgin AtlanticCheapest$504Average$699FlexibilityNo cancel feeOn-time72%
Porter AirlinesCheapest$508Average$666FlexibilityNo cancel feeOn-time52%
British AirwaysCheapest$527Average$634FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$538Average$738FlexibilityNo cancel feeOn-time76%
American AirlinesCheapest$546Average$743FlexibilityNo cancel feeOn-time71%
WestJetCheapest$548Average$675FlexibilityNo cancel feeOn-time60%

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