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$271+ 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — LON
Jul 19 — Jul 261
Sun 7/19
Sun 7/26
1 adult, Economy
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Find cheap flights from Toronto to London with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Toronto to London are usually found in February or January, booked 86 days in advance, depart on a Tuesday or Sunday and return on a Wednesday

Cheap 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 June 19, 2026.

This Porter Airlines deal was found by Cheapflights users on 6/16. 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 9/156:10 pm
YYZ
-
LGW
1 stop10h 40m
Porter Airlines
Mon 9/2111:35 am
LGW
-
YYZ
1 stop11h 53m
Porter Airlines
Deal found 6/16$572
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 8/611:55 pm
YYZ
-
LGW
1 stop16h 30m
Multiple Airlines
Mon 8/109:45 am
LGW
-
YYZ
1 stop11h 05m
Multiple Airlines
Deal found 6/18$573
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 8/115:35 pm
YYZ
-
LHR
1 stop11h 45m
Multiple Airlines
Tue 8/258:50 pm
LHR
-
YYZ
2 stops21h 30m
Multiple Airlines
Deal found 6/19$574
This FlightHub deal was found by Cheapflights users on 6/16. 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 9/238:45 pm
YYZ
-
LHR
1 stop10h 10m
Icelandair
Fri 10/21:05 pm
LHR
-
YYZ
1 stop14h 00m
Icelandair
Deal found 6/16$575
This FlightHub deal was found by Cheapflights users on 6/18. 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.
Mon 9/1411:15 pm
YYZ
-
LGW
1 stop29h 35m
Air Transat
Tue 9/2912:40 pm
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 6/18$575
This FlightHub deal was found by Cheapflights users on 6/18. 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 9/1610:55 pm
YYZ
-
LHR
1 stop19h 00m
TAP AIR PORTUGAL
Wed 9/237:50 pm
LHR
-
YYZ
1 stop23h 10m
TAP AIR PORTUGAL
Deal found 6/18$576
This Porter Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 6/157:50 pm
YYZ
-
LGW
Nonstop7h 05m
Porter Airlines
Mon 6/2911:35 am
LGW
-
YYZ
1 stop12h 03m
Porter Airlines
Deal found 6/15$576
This Justfly.com deal was found by Cheapflights users on 6/16. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2011:10 pm
YYZ
-
LHR
1 stop16h 10m
Icelandair
Wed 9/309:25 pm
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 6/16$577
This Porter Airlines deal was found by Cheapflights users on 6/18. 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.
Mon 11/29:35 pm
YYZ
-
LGW
Nonstop7h 10m
Porter Airlines
Tue 11/1011:40 am
LGW
-
YYZ
Nonstop8h 20m
Porter Airlines
Deal found 6/18$577
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/1311:55 pm
YYZ
-
LHR
1 stop11h 05m
Multiple Airlines
Fri 9/187:40 am
LHR
-
YYZ
1 stop13h 10m
Multiple Airlines
Deal found 6/15$578
This Mytrip deal was found by Cheapflights users on 6/17. 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.
Wed 7/299:55 pm
YYZ
-
LGW
1 stop19h 55m
Multiple Airlines
Fri 8/710:00 pm
LGW
-
YYZ
2 stops22h 00m
Multiple Airlines
Deal found 6/17$578
This Cheapflightsfares deal was found by Cheapflights users on 6/18. 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.
Wed 9/1610:55 pm
YYZ
-
LHR
1 stop18h 05m
TAP AIR PORTUGAL
Mon 9/286:00 am
LHR
-
YYZ
1 stop20h 05m
TAP AIR PORTUGAL
Deal found 6/18$579

Find 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 June 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$572
(Porter Airlines)

One-way from

$271
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$728

Good round-trip deal

$594 or less

Good one-way deal

$311 or less
Provider with most accurate pricing for Toronto (YTO)-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-London (LON) flights.
Search Deals
From Toronto (YTO) to London (LON)
Search Deals
One-way flight from Toronto (YTO) to London (LON)
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($123 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to London (LON).
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to London (LON).
Search Deals

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 June 19, 2026.
Use the filters below to find and compare flights from Toronto to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 7/18

7:15 pm-10:40 pm

1 stop22h 25m

London Gatwick

Tue 8/4

7:25 pm-11:00 am

1 stop20h 35m

$615

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 9/16

10:55 pm-11:10 am

Nonstop7h 15m

London Heathrow

Mon 9/28

5:50 pm-8:40 pm

Nonstop7h 50m

$619

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 9/11

11:50 pm-11:50 am

Nonstop7h 00m

London Heathrow

Sun 9/27

12:05 pm-2:55 pm

Nonstop7h 50m

$635

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Sat 7/18

1:55 pm-9:25 am

1 stop14h 30m

London Gatwick

Tue 8/4

8:45 pm-8:25 pm

3 stops28h 40m

$644

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 7/25

7:15 pm-10:40 pm

1 stop22h 25m

London Gatwick

Tue 8/4

7:25 pm-11:00 am

1 stop20h 35m

$644

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 9/12

6:10 am-7:15 am

1 stop20h 05m

London Heathrow

Wed 2/17

10:00 am-3:40 pm

1 stop10h 40m

$671

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 7/22

3:40 pm-9:50 am

1 stop13h 10m

London Gatwick

Tue 7/28

11:35 am-6:28 pm

1 stop11h 53m

$672

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 8/24

7:00 pm-10:00 am

1 stop10h 00m

London Heathrow

Fri 9/4

8:30 am-11:15 am

Nonstop7h 45m

$690

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 9/16

12:05 pm-7:15 am

2 stops14h 10m

London Heathrow

Wed 10/7

7:45 am-6:30 pm

2 stops15h 45m

$692

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Tue 9/1

4:05 pm-11:05 am

2 stops14h 00m

London Gatwick

Sun 9/6

10:45 am-6:20 pm

1 stop12h 35m

$780

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/17

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Compare providers for flights from Toronto to London

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

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

Currently, January is the cheapest month in which you can book a flight from Toronto to London (average of $585). Flying from Toronto to London in July is currently the most expensive (average of $863). 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 June 19, 2026.

When flying from Toronto to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 June 19, 2026.

The most flights from YTO to LON are scheduled on a Thursday (49 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (29 on average).

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

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.

Reykjavik (KEF) – chosen by Cheapflights users on 28% 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 $543.

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 40m.

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 Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 1h 03m.

How often are flights from Toronto to London delayed?

About 22% of weekly flights between Toronto and London have experienced delays in the past year, with the average delay time being 147 minutes.

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

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

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

Monday 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 Toronto to London flights?

Over the last year, Virgin Atlantic have had the lowest number of delays on this route, with just 14% of flights being delayed.

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

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 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

The best insider tips for Toronto to London 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 Toronto to London trip
Our travel experts
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
Gabriel Leigh

Gabriel Leigh

Expert on British Airways

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
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 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 June 19, 2026.
Read through reviews of airlines operating flights from Toronto to London, such as Porter Airlines,Air Transat, andAir Canada. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very good
438 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Porter Airlines
8.0
Very good
438 reviews
Porter Airlines
8.0
Very good
438 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Transat
7.8
Good
555 reviews
Porter Airlines
8.0
Very good
438 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Air Canada
7.1
Good
11,218 reviews
Porter Airlines
8.0
Very good
438 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Lufthansa
6.8
Okay
8,074 reviews
Porter Airlines
8.0
Very good
438 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
British Airways
6.7
Okay
8,055 reviews
Porter Airlines
8.0
Very good
438 reviews

Boarding

8.2

Entertainment

6.9

Overall

8.0

Crew

8.6

Food

7.6

Comfort

8.0

Reviews

1 / 20
6.0
Good

Justin,May 2026

YYZ - MCO

Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.

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.

  • How long is the flight from Toronto to London?

    Departing from Toronto to London will take you 7h 15m. The distance from Toronto to London is about 3543 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Toronto to London is TAP AIR PORTUGAL. Our recent data shows that you can find tickets from as low as $268 on this airline. Additional options worth looking into are Icelandair and Air Transat, starting at $476 and $490 round-trip. TAP AIR PORTUGAL is 59% 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 Air Transat, with whom users have recently found tickets for as low as $187. However, be on the lookout for offers from TAP AIR PORTUGAL and Air Canada, 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?

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

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

    Consider KLM (88%), Air France (88%) or Delta (88%) 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 $1,695 for a flight from Toronto to London. The cheapest flight overall is $485 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at $560.

  • 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, January is the cheapest month in which you can book a flight from Toronto to London (average of $585). Flying from Toronto to London in July is currently the most expensive (average of $863). 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?

Book flights to London if you plan to visit one of these locations
Ilford
Dorking
Hounslow
Winchester
Croydon
Gatwick
Southend-on-Sea
Wembley
Harrow
Eastleigh
Dartford
Dover
Orpington
Watford
Chipping Norton
Hayes
Kingston upon Thames
Eastbourne
Slough
Stansted

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Toronto to London

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

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 June 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest$268Average$654FlexibilityNo cancel feeOn-timeN/A
IcelandairCheapest$476Average$538FlexibilityNo cancel feeOn-time76%
Air TransatCheapest$490Average$758FlexibilityNo cancel feeOn-time50%
British AirwaysCheapest$523Average$694FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$545Average$710FlexibilityNo cancel feeOn-time67%
Aer LingusCheapest$548Average$766FlexibilityNo cancel feeOn-timeN/A
FinnairCheapest$552Average$674FlexibilityNo cancel feeOn-time76%
Porter AirlinesCheapest$555Average$761FlexibilityNo cancel feeOn-time52%
KLMCheapest$565Average$692FlexibilityNo cancel feeOn-time75%
LufthansaCheapest$569Average$793FlexibilityNo cancel feeOn-time76%

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