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Cheap flights from London to Toronto from $541

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YTO
25 Jan — 1 Feb1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Toronto are usually found in February or September, booked 84 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

Cheap flight deals from London to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from London to Toronto
Explore the most affordable flight options available from London to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 December 2025.

Wed 31/1207:40LHR - YYZ
1 stop13h 22mUnited Airlines
Tue 20/112:10YYZ - LHR
2 stops13h 10mUnited Airlines
Deal found 24/12$765
Wed 31/1207:30LHR - YYZ
2 stops15h 19mUnited Airlines
Wed 7/114:15YYZ - LHR
2 stops15h 10mUnited Airlines
Deal found 24/12$812
Thu 25/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Sat 31/120:25YYZ - LHR
Nonstop7h 05mLufthansa
Deal found 25/12$865
Sat 27/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Thu 8/123:00YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 26/12$917
Fri 26/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Sat 10/118:10YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 26/12$927
Sat 27/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Sun 11/123:00YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 26/12$932
Wed 31/1207:30LHR - YYZ
2 stops16h 27mUnited Airlines
Sat 10/106:50YYZ - LHR
1 stop18h 05mUnited Airlines
Deal found 26/12$942
Fri 26/1207:30LHR - YYZ
2 stops15h 19mUnited Airlines
Mon 19/114:57YYZ - LHR
2 stops14h 53mUnited Airlines
Deal found 25/12$944
Fri 26/1218:00LHR - YYZ
Nonstop8h 10mLufthansa
Fri 9/122:55YYZ - LHR
Nonstop7h 25mLufthansa
Deal found 26/12$975
Thu 25/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Sat 31/121:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 25/12$982
Mon 29/1208:30LHR - YYZ
2 stops15h 27mUnited Airlines
Sat 31/116:10YYZ - LHR
2 stops13h 40mUnited Airlines
Deal found 25/12$985
Wed 31/1206:30LHR - YYZ
2 stops16h 19mUnited Airlines
Thu 22/118:40YYZ - LHR
1 stop11h 25mUnited Airlines
Deal found 24/12$988

Find flight deals from London to Toronto

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Toronto (YTO). 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 26 December 2025.

Round-trip from

$754

One-way from

$541

Popular in

December

Cheapest in

February

Average price

$1,118

Good round-trip deal

$891 or less

Good one-way deal

$748 or less
KLM
  • KLM
  • 13/4-20/4
  • Nonstop
  • 14h 55m total
  • London to Toronto
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 20/1
  • 1 total stop
  • 33h 40m total
  • London to Toronto
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($86 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($38 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from London (LON) to Toronto (YTO).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Toronto 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 647,157 searches. Data last updated 26 December 2025.
Use the filters below to find and compare flights from London to Toronto that are best for you.

Fly from

London

Fly to

Toronto

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 6/3

09:50-15:55

1 stop11h 05m

Toronto Pearson Intl

Fri 13/3

07:00-22:10

1 stop11h 10m

$759

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 16/1

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Thu 22/1

19:40-10:55

1 stop10h 15m

$763

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 18/1

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Fri 24/4

22:35-10:45

Nonstop7h 10m

$763

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 15/1

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Thu 22/1

19:40-10:55

1 stop10h 15m

$763

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 18/1

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Mon 2/2

21:35-09:45

Nonstop7h 10m

$763

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 16/1

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Wed 21/1

19:40-10:55

1 stop10h 15m

$763

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 12/4

12:40-16:00

Nonstop8h 20m

Toronto Pearson Intl

Tue 5/5

22:45-10:45

Nonstop7h 00m

$768

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 17/4

12:40-16:00

Nonstop8h 20m

Toronto Pearson Intl

Tue 5/5

22:45-10:45

Nonstop7h 00m

$768

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 8/5

12:40-15:40

Nonstop8h 00m

Toronto Pearson Intl

Tue 12/5

22:45-10:45

Nonstop7h 00m

$768

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 5/5

12:40-15:40

Nonstop8h 00m

Toronto Pearson Intl

Tue 12/5

22:45-10:45

Nonstop7h 00m

$768

Flights are sorted by cheapest return flights first.

Deals found on 24/12

Showing 1-10 of 60 results
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Best time to book a flight from London to Toronto

Have a flexible travel schedule? Discover the best time to fly to Toronto from London with our price prediction graph.
Estimated return 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 Toronto

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

Use this chart to determine the optimal time to book a return flight from London to Toronto. Price data was last updated on 19 December 2025.

To ensure you get the cheapest price possible for a flight from London to Toronto, you should look to book at least 84 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, February is the cheapest month in which you can book a flight from London to Toronto (average of $520). Flying from London to Toronto in December is currently the most expensive (average of $750). 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 LON to YTO?

Find hourly flight availability from London to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 December 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Toronto as you normally would.

Weekly flight availability from London to Toronto

Explore weekly flight availability from London to Toronto. 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 26 December 2025.

The most flights from LON to YTO are scheduled on a Friday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (27 on average).

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

Share of one-stop return flights from London to Toronto chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Montreal (YUL) – chosen by Cheapflights users on 40% of one-stop itineraries from London to Toronto on Cheapflights.

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

Average return fare for one-stop flights from London to Toronto, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Reykjavik (KEF) is the most affordable one-stop option, with an average return flight price of $521.

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

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

Flights via Reykjavik (KEF) have the shortest average one-way travel time for one-stop routes: 11h 15m.

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

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

Flights via Lisbon (LIS) offer the fastest connection on this route, with an average stopover time of 1h 33m.

How often are flights from London to Toronto delayed?

About 14% of weekly flights between London and Toronto have experienced delays in the past year, with the average delay time being 134 minutes.

What is the most punctual flight time for London to Toronto flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Toronto flights?

Over the past year, Air Canada have had the lowest number of delays on this route, with just 8% of flights being delayed.

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 26 December 2025.
Check out reviews from past customers who have flown with Air Canada from London to Toronto to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
10,560 reviews
Check prices

Comfort

7.1

Crew

7.8

Entertainment

6.8

Overall

7.1

Boarding

7.3

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given
Air Canada
7.1
Good
10,560 reviews
Air Canada
7.1
Good
10,560 reviews
Check prices

Comfort

7.1

Crew

7.8

Entertainment

6.8

Overall

7.1

Boarding

7.3

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

Find useful and relevant information for your journey from London to Toronto. 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 to Toronto?

    There are many flights that can get you from London to Toronto in 8h 20m. Fly via British Airways, Icelandair, or Air Transat to get the fastest option. London and Toronto are separated by a distance of 5734 km. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from London to Toronto round-trip?

    Currently priced at $767, Air Canada will fly you from London to Toronto and back. In addition to Air Canada, many other airlines offer competitively priced options for your trip. Air Canada is currently priced 9% below the average price you’ll pay for this route.

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

    When deciding which route to take from London to Toronto, consider London Gatwick - Toronto Pearson Intl, London Heathrow - Toronto Pearson Intl or London Heathrow - Hamilton, as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from London to Toronto consider choosing KLM(100%), Air France(100%) or Delta(100%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Toronto?

    On average you can expect to pay $1,120 for a flight from London to Toronto. The cheapest flight overall is $739 while the most popular route, (London Gatwick - Toronto Pearson Intl) is currently priced at $635.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from London to Toronto (average of $520). Flying from London to Toronto in December is currently the most expensive (average of $750). 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

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.

Top airline flying from London to Toronto

Discover the top airline that operate flights from London to Toronto. 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 647,157 searches. Data last updated 26 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$767Average$831FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Toronto?

Cheapflights makes it easy to find London to Toronto flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Toronto?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Toronto from London.

Can Cheapflights find flights from London to Toronto with no change fees?

Yes! Cheapflights helps users easily find flights from London to Toronto with no change fees.

Can Cheapflights notify me if prices for flights from London to Toronto become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from London today and book when prices fit your budget.

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