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$331+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YTO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from London to Toronto are usually found in February or March, booked 58 days in advance, depart on a Wednesday or Tuesday and return on a Sunday

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 June 12, 2025.

Round-trip from

$452
(SWISS)

One-way from

$331
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$538

Good round-trip deal

$471 or less

Good one-way deal

$368 or less
From London (LON) to Toronto (YTO)
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One-way flight from London (LON) to Toronto (YTO)
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Highest demand for flights based on searches. 11% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from London (LON) to Toronto (YTO).
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Price to beat on a one-way flight from London (LON) to Toronto (YTO).
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Find 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 June 12, 2025.

This SWISS deal was found by Cheapflights users on 6/11. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:35 pmLGW - YYZ
1 stop23h 15mSWISS
Sun 10/194:35 pmYYZ - LGW
1 stop20h 15mSWISS
Deal found 6/11$452
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 6/2012:40 pmLHR - YYZ
1 stop11h 07mLufthansa
Mon 7/144:00 pmYYZ - LHR
1 stop9h 30mLufthansa
Deal found 6/12$453
This Lufthansa deal was found by Cheapflights users on 6/11. 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.
Thu 9/256:00 amLHR - YYZ
1 stop11h 50mMultiple Airlines
Sat 10/116:20 pmYYZ - LHR
Nonstop7h 15mMultiple Airlines
Deal found 6/11$455
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/188:40 amLHR - YYZ
1 stop12h 45mAir Canada
Wed 7/166:30 pmYYZ - LHR
Nonstop7h 05mAir Canada
Deal found 6/12$456
This Mytrip deal was found by Cheapflights users on 6/12. 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 7/211:35 amLGW - YYZ
1 stop28h 53mAir Transat
Thu 7/310:45 pmYYZ - LGW
Nonstop7h 00mAir Transat
Deal found 6/12$456
This Austrian Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/163:05 pmLHR - YYZ
2 stops30h 20mAustrian Airlines
Sat 9/275:00 pmYYZ - LHR
1 stop11h 35mAustrian Airlines
Deal found 6/11$457
This Air Canada deal was found by Cheapflights users on 6/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:05 pmLHR - YTZ
1 stop12h 29mAir Canada
Fri 9/193:25 pmYTZ - LHR
1 stop10h 05mAir Canada
Deal found 6/11$457
This Delta deal was found by Cheapflights users on 6/11. 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.
Fri 9/1911:45 amLHR - YYZ
1 stop13h 10mDelta
Thu 10/210:30 pmYYZ - LHR
Nonstop7h 10mDelta
Deal found 6/11$465
This SWISS deal was found by Cheapflights users on 6/12. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:05 pmLHR - YYZ
1 stop21h 45mSWISS
Sun 10/194:35 pmYYZ - LHR
1 stop13h 50mSWISS
Deal found 6/12$466
This Icelandair deal was found by Cheapflights users on 6/11. 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.
Mon 10/63:40 pmLGW - YYZ
1 stop11h 15mIcelandair
Mon 10/138:50 pmYYZ - LGW
1 stop12h 45mIcelandair
Deal found 6/11$484
This British Airways deal was found by Cheapflights users on 6/11. 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.
Sat 8/302:10 pmLHR - YYZ
1 stop12h 21mBritish Airways
Sat 9/610:00 pmYYZ - LHR
Nonstop7h 15mBritish Airways
Deal found 6/11$496
This Connections by easyJet deal was found by Cheapflights users on 6/10. 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 Connections by easyJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:35 amLGW - YYZ
1 stop15h 35mMultiple Airlines
Sat 10/1110:15 pmYYZ - LGW
1 stop19h 35mMultiple Airlines
Deal found 6/10$498

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 June 12, 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

Wed 10/8

6:35 pm-12:50 pm

1 stop23h 15m

Toronto Pearson Intl

Sun 10/19

4:35 pm-5:50 pm

1 stop20h 15m

$452

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 9/25

6:00 am-12:50 pm

1 stop11h 50m

Toronto Pearson Intl

Sat 10/11

6:20 pm-6:35 am

Nonstop7h 15m

$455

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 7/2

11:35 am-11:28 am

1 stop28h 53m

Toronto Pearson Intl

Thu 7/3

10:45 pm-10:45 am

Nonstop7h 00m

$456

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 10/8

5:10 pm-12:50 pm

1 stop24h 40m

Toronto Pearson Intl

Sun 10/19

4:35 pm-7:55 am

1 stop10h 20m

$456

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 9/16

3:05 pm-4:25 pm

2 stops30h 20m

Toronto Pearson Intl

Sat 9/27

5:00 pm-9:35 am

1 stop11h 35m

$457

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 9/12

2:05 pm-9:34 pm

1 stop12h 29m

Toronto Island

Fri 9/19

3:25 pm-6:30 am

1 stop10h 05m

$457

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 6/26

8:30 am-11:19 pm

2 stops19h 49m

Toronto Pearson Intl

Thu 7/17

10:40 pm-9:00 pm

1 stop17h 20m

$460

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 9/19

11:45 am-7:55 pm

1 stop13h 10m

Toronto Pearson Intl

Thu 10/2

10:30 pm-10:40 am

Nonstop7h 10m

$465

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 10/6

3:40 pm-9:55 pm

1 stop11h 15m

Toronto Pearson Intl

Mon 10/13

8:50 pm-2:35 pm

1 stop12h 45m

$484

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 6/28

5:40 pm-8:27 am

1 stop19h 47m

Toronto Pearson Intl

Sat 7/19

4:00 pm-6:30 am

1 stop9h 30m

$493

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 52 results
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The best insider tips for London to Toronto 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 London to Toronto trip
Airlines
Air Transat

Club Class includes priority check-in and boarding, extra baggage, and in-flight meals.


Air Transat's Option Plus adds extra baggage, priority check-in, and seat selection to Economy Class.

Read more about Air Transatby Miquel Ros
Air Canada

Air Canada offers complimentary meals for all fare classes on international flights.


Preferred Seats provide up to four inches of extra space, available for a fee in any fare class.

Read more about Air Canadaby Jessica Macdonald
Lufthansa

Lufthansa's Allegris cabins enhance long-haul comfort with advanced technology and design.


Economy Flex includes preferred seating and allows earlier flight changes on the same day.

Read more about Lufthansaby Blane Bachelor
Airports
LHR

Heathrow's strict security means longer waits. Ensure all liquids are in one small bag to avoid delays.

Read more about LHRby Ramsey Qubein
YYZ

At YYZ, public transportation is economical to downtown Toronto. Consider express buses connecting to the subway for a smooth journey.

Read more about YYZby Kaitlyn McInnis
Our travel experts
Miquel Ros

Miquel Ros

Expert on Air Transat

Miquel Ros

Miquel Ros

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

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
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 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?

Use this chart to determine the optimal time to book a round-trip flight from London to Toronto. Price data was last updated on June 9, 2025.

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 58 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, January is the cheapest month in which you can book a flight from London to Toronto (average of $243). Flying from London to Toronto in July is currently the most expensive (average of $353). 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 June 12, 2025.

When flying from London to Toronto, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 29% versus a flight in the afternoon.

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 June 12, 2025.

The most flights from LON to YTO are scheduled on a Thursday (41 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (24 on average).

Rainfall in Toronto by month

Plan your trip to Toronto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Toronto ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

Temperature in Toronto by month

Plan your trip to Toronto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Toronto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 June 12, 2025.
To help decide which airline to fly from London to Toronto, see what other customers have to say about Delta, Air Transat and Azores Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Air Transat
7.8
Good
396 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Azores Airlines
7.6
Good
66 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
6.0
Good

Colin,Sep 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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.

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

    According to our current data, SWISS ($452), Air Transat ($456), and Austrian Airlines ($457) offers the cheapest pricing from London to Toronto. You may be able to fly from London to Toronto for 20% 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 $341 on Air Transat. Other airlines that offer cheap prices include WestJet from $362 and Aer Lingus from $373 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 Heathrow - Hamilton 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 Air Canada (90%), Egyptair (89%) or SriLankan Airlines (89%) 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 $1,635, our data indicates the cheapest price to be $417. The most popular route (London Heathrow - Toronto Pearson Intl), is priced around $418.

  • 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, January is the cheapest month in which you can book a flight from London to Toronto (average of $243). Flying from London to Toronto in July is currently the most expensive (average of $353). 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 Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Pearson Intl flights
Edinburgh to Pearson Intl flights
Manchester to Pearson Intl flights

Top 7 airlines flying from London to Toronto

Discover the top 7 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest$376Average$596FlexibilityNo cancel feeOn-time50%
Virgin AtlanticCheapest$415Average$924FlexibilityNo cancel feeOn-time72%
LufthansaCheapest$487Average$713FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$493Average$699FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$496Average$682FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$520Average$686FlexibilityNo cancel feeOn-time71%
DeltaCheapest$573Average$665FlexibilityNo cancel feeOn-timeN/A

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