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$345+ Cheap flights from London (LON) to Toronto (YTO)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YTO
May 30 — Jun 61
Sat 5/30
Sat 6/6
1 adult, Economy
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Find cheap flights from London to Toronto with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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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 Sunday and return on a Tuesday

Cheap flight deals from London to Toronto

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 April 30, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/148:55 am
LGW
-
YYZ
2 stops35h 05m
Multiple Airlines
Sun 6/2110:45 pm
YYZ
-
LGW
Nonstop7h 00m
Multiple Airlines
Deal found 4/30$557
This Icelandair deal was found by Cheapflights users on 4/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/253:40 pm
LGW
-
YYZ
1 stop11h 25m
Icelandair
Fri 10/911:10 pm
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 4/26$559
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:40 pm
LGW
-
YYZ
1 stop11h 25m
Icelandair
Tue 10/138:45 pm
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 4/29$560
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/153:40 pm
LGW
-
YYZ
1 stop32h 30m
Icelandair
Sat 10/38:45 pm
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 4/29$561
This Icelandair deal was found by Cheapflights users on 4/26. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/223:40 pm
LGW
-
YYZ
1 stop32h 30m
Icelandair
Sun 10/48:45 pm
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 4/26$562
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:40 am
LGW
-
YYZ
1 stop27h 29m
Air Transat
Mon 6/227:50 pm
YYZ
-
LGW
Nonstop7h 05m
Air Transat
Deal found 4/26$563
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:05 pm
LHR
-
YYZ
1 stop14h 00m
Icelandair
Tue 5/198:45 pm
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 4/26$565
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:40 pm
LGW
-
YYZ
1 stop11h 25m
Icelandair
Tue 5/198:45 pm
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 4/26$565
This Icelandair deal was found by Cheapflights users on 4/25. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/31:00 pm
LGW
-
YYZ
1 stop11h 10m
Icelandair
Sun 9/2711:10 pm
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 4/25$566
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/131:05 pm
LHR
-
YYZ
1 stop11h 05m
Icelandair
Tue 5/198:45 pm
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 4/26$567
This Icelandair deal was found by Cheapflights users on 4/29. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/173:40 pm
LGW
-
YYZ
1 stop11h 25m
Icelandair
Mon 9/2811:10 pm
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 4/29$567
This Icelandair deal was found by Cheapflights users on 4/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:00 pm
LGW
-
YYZ
1 stop11h 10m
Icelandair
Sun 9/1311:10 pm
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 4/28$568

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$559
(Icelandair)

One-way from

$345
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$618

Good round-trip deal

$561 or less

Good one-way deal

$466 or less
Provider with most accurate pricing for London (LON)-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Toronto (YTO) flights.
Search Deals
From London (LON) to Toronto (YTO)
Search Deals
One-way flight from London (LON) to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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

 
Customize 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 2,558,603 searches. Data last updated April 30, 2026.
Use the filters below to find and compare flights from London to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 5/14

3:40 pm-10:05 pm

1 stop11h 25m

Toronto Pearson Intl

Tue 5/19

11:10 pm-2:40 pm

1 stop10h 30m

$566

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 9/3

9:40 am-12:45 pm

Nonstop8h 05m

Toronto Pearson Intl

Thu 9/24

7:50 pm-7:55 am

Nonstop7h 05m

$604

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 9/27

11:35 am-8:13 am

1 stop25h 38m

Toronto Pearson Intl

Sat 10/10

3:40 pm-9:50 am

1 stop13h 10m

$624
Quickest round-trip

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 5/13

12:40 pm-3:40 pm

Nonstop8h 00m

Toronto Pearson Intl

Sun 5/17

10:45 pm-10:45 am

Nonstop7h 00m

$661

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 9/3

5:45 pm-8:35 pm

Nonstop7h 50m

Toronto Pearson Intl

Sun 9/6

10:55 pm-11:10 am

Nonstop7h 15m

$673

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 6/1

9:40 am-12:45 pm

Nonstop8h 05m

Toronto Pearson Intl

Tue 6/2

10:45 pm-10:45 am

Nonstop7h 00m

$675

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 9/6

5:45 pm-8:35 pm

Nonstop7h 50m

Toronto Pearson Intl

Sat 9/19

10:55 pm-11:10 am

Nonstop7h 15m

$684

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 6/3

3:40 pm-10:05 pm

1 stop11h 25m

Toronto Pearson Intl

Sun 6/7

11:10 pm-2:40 pm

1 stop10h 30m

$702

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 6/3

1:05 pm-10:05 pm

1 stop14h 00m

Toronto Pearson Intl

Sun 6/7

8:45 pm-8:20 pm

1 stop18h 35m

$703

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 9/2

5:45 pm-8:35 pm

Nonstop7h 50m

Toronto Pearson Intl

Fri 9/11

10:55 pm-11:10 am

Nonstop7h 15m

$711

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Compare providers for flights from London to Toronto

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 Toronto in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
GotogatePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
OvagoPrice 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-Toronto flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Toronto flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Toronto flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Toronto flights, Cheapflights users trust FlightHub the most. FlightHub 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-Toronto 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 Toronto

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

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

The price you pay for your flight from London to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 78 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 London to Toronto?

Currently, September is the cheapest month in which you can book a flight from London to Toronto (average of $516). Flying from London to Toronto in December is currently the most expensive (average of $790). 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 April 30, 2026.

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 April 30, 2026.

The most flights from LON to YTO are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (21 on average).

How much does it cost to fly round-trip from London to Toronto?

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

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

Montreal (YUL) – chosen by Cheapflights users on 58% of 1-stop itineraries from London to Toronto on Cheapflights.

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

Average round-trip fare for 1-stop flights from London to Toronto, 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 $480.

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

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

Flights via Halifax (YHZ) have the shortest average one-way travel time for 1-stop routes: 10h 22m.

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

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

Flights via Halifax (YHZ) offer the fastest connection on this route, with an average layover time of 1h 13m.

How often are flights from London to Toronto delayed?

About 15% of weekly flights between London and Toronto have experienced delays in the past year, with the average delay time being 133 minutes.

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

Historically, flights departing at night 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 Thursday 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 last year, Air Canada have had the lowest number of delays on this route, with just 9% of flights being delayed.

The best insider tips for London to Toronto flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your London to Toronto trip
Our travel experts
Miquel Ros

Miquel Ros

Expert on Air Transat

Originally from Barcelona, Miquel is an avid traveler fascinated by borders and airplanes, two topics that feature often in this work. Miquel writes regularly about travel and aviation for international media outlets such as CNN and AeroTime and runs Allplane.tv, a site and podcast focusing on innovation and sustainability in the aviation industry.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Air Canada

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
Blane Bachelor

Blane Bachelor

Expert on Lufthansa

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

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 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

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 April 30, 2026.
See what other customers who have flown with Air Transat,Air Canada, andIcelandair from London to Toronto have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
543 reviews

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.8
Good
543 reviews
Air Transat
7.8
Good
543 reviews

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Canada
7.1
Good
10,982 reviews
Air Transat
7.8
Good
543 reviews

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Icelandair
7.0
Good
646 reviews
Air Transat
7.8
Good
543 reviews

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Lufthansa
6.8
Okay
7,962 reviews
Air Transat
7.8
Good
543 reviews

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
British Airways
6.7
Okay
7,937 reviews
Air Transat
7.8
Good
543 reviews

Food

6.8

Boarding

7.9

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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?

    Airlines like Icelandair, Air Transat, and British Airways fly from London to Toronto in about 11h. The time it takes to get you to your destination can typically vary by up to 14h 38m. Airlines will cover a distance of 3543 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from London to Toronto round-trip?

    According to our current data, Delta ($280), Air Transat ($376), and Aer Lingus ($415) offers the cheapest pricing from London to Toronto. You may be able to fly from London to Toronto for 53% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $299 on Air Transat. Other airlines that offer cheap prices include Aer Lingus from $308 and TAP AIR PORTUGAL from $345 one-way.

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

    Most travelers choose London Heathrow - Toronto Pearson Intl, London Heathrow - Toronto Island or London Gatwick - Toronto Pearson Intl when deciding on the best route from London to Toronto.

  • 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 Thai Airways (80%), United Airlines (79%) or Lufthansa (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from London to Toronto?

    Looking for the cheapest flight from London to Toronto? While on average our users pay $1,190, our data indicates the cheapest price to be $454. The most popular route (London Heathrow - Toronto Pearson Intl), is priced around $538.

  • 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 vacation 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, September is the cheapest month in which you can book a flight from London to Toronto (average of $516). Flying from London to Toronto in December is currently the most expensive (average of $790). 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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Alternative routes for London to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Pearson Intl flights
Manchester to Pearson Intl flights

Top 8 airlines flying from London to Toronto

Discover the top 8 airlines 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 2,558,603 searches. Data last updated April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$280Average$835FlexibilityNo cancel feeOn-timeN/A
Air TransatCheapest$376Average$627FlexibilityNo cancel feeOn-time50%
Aer LingusCheapest$415Average$635FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$469Average$659FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$484Average$683FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$491Average$696FlexibilityNo cancel feeOn-time76%
Virgin AtlanticCheapest$495Average$798FlexibilityNo cancel feeOn-time72%
American AirlinesCheapest$521Average$741FlexibilityNo cancel feeOn-time71%

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