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Cheap flights from London to Toronto from $548

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YTO
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

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

Cheap 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 14 November 2025.

Round-trip from

$749

One-way from

$540

Popular in

December

Cheapest in

February

Average price

$835

Good round-trip deal

$813 or less
Icelandair
  • Icelandair
  • 6/2-12/2
  • 2 total stops
  • 36h 50m total
  • London to Toronto
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Delta
  • Delta
  • 3/2
  • 1 total stop
  • 17h 45m total
  • London to Toronto
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Highest demand for flights based on searches. 5% potential increase in price ($81 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from London (LON) to Toronto (YTO).
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Find 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 14 November 2025.

Wed 3/1211:55LGW - YYZ
1 stop11h 20mIcelandair
Wed 10/1219:40YYZ - LGW
1 stop10h 15mIcelandair
Deal found 12/11$752
Wed 3/1212:15LHR - YYZ
1 stop11h 00mIcelandair
Tue 9/1219:40YYZ - LHR
1 stop10h 10mIcelandair
Deal found 12/11$758
Wed 3/1220:05LHR - YYZ
1 stop25h 20mSWISS
Mon 9/220:25YYZ - LHR
1 stop14h 55mSWISS
Deal found 13/11$790
Mon 17/1109:00LHR - YYZ
1 stop12h 10mSWISS
Mon 24/1120:30YYZ - LHR
1 stop11h 30mSWISS
Deal found 12/11$792
Wed 3/1211:55LGW - YYZ
1 stop11h 20mIcelandair
Thu 19/219:40YYZ - LGW
1 stop10h 15mIcelandair
Deal found 12/11$797
Sun 16/1109:30LHR - YYZ
1 stop11h 45mLufthansa
Mon 19/120:25YYZ - LHR
Nonstop7h 05mLufthansa
Deal found 13/11$800
Tue 2/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Sat 7/218:10YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 13/11$801
Tue 2/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Tue 9/1223:00YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 12/11$803
Fri 5/1220:35LHR - YYZ
1 stop26h 40mIcelandair
Tue 17/219:40YYZ - LHR
1 stop10h 10mIcelandair
Deal found 13/11$804
Tue 2/1220:35LHR - YYZ
1 stop26h 40mIcelandair
Mon 23/219:40YYZ - LHR
1 stop18h 50mIcelandair
Deal found 12/11$806
Mon 1/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Sat 21/218:15YYZ - LHR
1 stop11h 30mLufthansa
Deal found 12/11$813
Fri 5/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Thu 19/221:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 13/11$818

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 14 November 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

LGW - YYZ

LGWYYZ

London Gatwick

Thu 4/12

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Tue 17/2

19:40-10:55

1 stop10h 15m

$797

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 4/12

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Mon 23/2

19:40-10:55

1 stop10h 15m

$797

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 3/12

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Thu 19/2

19:40-10:55

1 stop10h 15m

$797

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 3/12

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Wed 18/2

19:40-10:55

1 stop10h 15m

$797

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 2/12

20:35-18:15

1 stop26h 40m

Toronto Pearson Intl

Wed 18/2

19:40-19:30

1 stop18h 50m

$804

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 2/12

20:35-18:15

1 stop26h 40m

Toronto Pearson Intl

Thu 19/2

19:40-10:50

1 stop10h 10m

$804

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 5/12

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Mon 16/2

21:35-09:45

Nonstop7h 10m

$818

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 5/12

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Tue 17/2

21:35-09:45

Nonstop7h 10m

$818

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 4/12

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Tue 17/2

21:35-09:45

Nonstop7h 10m

$818

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 5/12

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Sun 22/2

21:35-09:45

Nonstop7h 10m

$818

Flights are sorted by cheapest return flights first.

Deals found on 12/11

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 7 November 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 $539). Flying from London to Toronto in December is currently the most expensive (average of $769). 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 14 November 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 14 November 2025.

The most flights from LON to YTO are scheduled on a Thursday (32 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost for a return flight from London to Toronto?

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 29% 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 $533.

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 05m.

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 28m.

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 14 November 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
10,448 reviews
Check prices

Crew

7.8

Overall

7.1

Food

6.3

Comfort

7.1

Boarding

7.3

Entertainment

6.8

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
10,448 reviews
Air Canada
7.1
Good
10,448 reviews
Check prices

Crew

7.8

Overall

7.1

Food

6.3

Comfort

7.1

Boarding

7.3

Entertainment

6.8

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 11h 20m. Fly via SWISS, Icelandair, or Scandinavian Airlines 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 $785, 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 cheapest airlines to fly from London to Toronto one-way?

    To fly one-way, consider booking your trip with British Airways, which is currently one of the cheapest options available, starting at $548. Delta flights start at $563 while deals on TAP AIR PORTUGAL start at $577 one-way.

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

    When deciding which route to take from London to Toronto, consider London Heathrow - Toronto Pearson Intl, London Gatwick - 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 MEA(92%), Egyptair(92%) or Singapore Airlines(92%), 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 $1,037 for a flight from London to Toronto. The cheapest flight overall is $745 while the most popular route, (London Heathrow - Toronto Pearson Intl) is currently priced at $711.

  • 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 $539). Flying from London to Toronto in December is currently the most expensive (average of $769). 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

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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$785Average$851FlexibilityNo 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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