Cheap flights from Toronto to London Heathrow Airport from C$ 355

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 29/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — LHR
3 Aug — 10 Aug1
1 adult

Cheapflights Tip: The best prices from Toronto to London Heathrow are usually found in February or January, booked 82 days in advance, depart on a Sunday or Friday and return on a Wednesday

Cheap flight deals from Toronto to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) to Heathrow (LHR). 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 29 July 2025.

Round-trip from

C$ 737

One-way from

C$ 355

Popular in

July

Cheapest in

February

Average price

C$ 1,152

Good round-trip deal

C$ 1,115 or less

Good one-way deal

C$ 568 or less
Icelandair
  • Icelandair
  • 7/10-10/11
  • 2 total stops
  • 29h 30m total
  • Toronto to London
WestJet
  • WestJet
  • 29/10
  • 1 total stop
  • 14h 40m total
  • Toronto to London
Highest demand for flights based on searches. 16% potential increase in price (C$ 233 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Toronto (YTO) to London Heathrow.
Price to beat on a one-way flight from Toronto (YTO) to London Heathrow.

Find flight deals from Toronto to Heathrow

Cheapest flights from Toronto to Heathrow
Explore the most affordable flight options available from Toronto to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 July 2025.

Tue 7/108:50 p.m.YYZ - LHR
1 stop18h 30mIcelandair
Mon 10/1112:15 p.m.LHR - YYZ
1 stop11h 00mIcelandair
Deal found 29/7C$ 737
Wed 10/94:10 p.m.YTZ - LHR
1 stop11h 25mAir Canada
Sat 13/92:05 p.m.LHR - YTZ
1 stop12h 29mAir Canada
Deal found 29/7C$ 738
Mon 8/92:00 p.m.YYZ - LHR
1 stop11h 30mAir Canada
Sun 14/98:30 a.m.LHR - YYZ
Nonstop7h 55mAir Canada
Deal found 29/7C$ 739
Thu 18/96:05 p.m.YYZ - LHR
Nonstop7h 10mBritish Airways
Sun 28/95:15 p.m.LHR - YYZ
Nonstop7h 55mBritish Airways
Deal found 27/7C$ 741
Tue 14/1010:30 p.m.YYZ - LHR
Nonstop7h 10mDelta
Tue 21/106:30 a.m.LHR - YYZ
1 stop11h 50mDelta
Deal found 27/7C$ 742
Wed 1/1011:15 p.m.YYZ - LHR
1 stop26h 15mLufthansa
Mon 13/105:40 p.m.LHR - YYZ
Nonstop7h 50mLufthansa
Deal found 28/7C$ 749
Wed 24/910:00 p.m.YYZ - LHR
Nonstop7h 15mAmerican Airlines
Sun 5/105:15 p.m.LHR - YYZ
Nonstop7h 55mAmerican Airlines
Deal found 29/7C$ 774
Mon 3/1111:10 p.m.YYZ - LHR
1 stop27h 00mMultiple Airlines
Wed 12/119:00 a.m.LHR - YYZ
1 stop11h 00mMultiple Airlines
Deal found 27/7C$ 776
Thu 4/95:20 p.m.YYZ - LHR
1 stop9h 40mAer Lingus
Sun 21/98:50 a.m.LHR - YYZ
1 stop12h 00mAer Lingus
Deal found 27/7C$ 785
Wed 24/94:10 p.m.YTZ - LHR
1 stop11h 25mMultiple Airlines
Wed 29/106:50 a.m.LHR - YTZ
2 stops17h 05mMultiple Airlines
Deal found 27/7C$ 842
Mon 22/95:40 a.m.YHM - LHR
1 stop19h 55mMultiple Airlines
Wed 8/102:10 p.m.LHR - YHM
1 stop15h 30mMultiple Airlines
Deal found 29/7C$ 1,122
Mon 27/106:10 p.m.YHM - LHR
1 stop14h 40mWestJet
Sun 9/119:00 a.m.LHR - YHM
2 stops37h 17mWestJet
Deal found 29/7C$ 1,200

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Heathrow 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 629,999 searches. Data last updated 29 July 2025.
Use the filters below to find and compare flights from Toronto to London Heathrow Airport that are best for you.

Fly from

Toronto

Fly to

Heathrow

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 7/10

8:50 p.m.-8:20 p.m.

1 stop18h 30m

London Heathrow

Mon 10/11

12:15 p.m.-6:15 p.m.

1 stop11h 00m

C$ 737

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 10/9

4:10 p.m.-8:35 a.m.

1 stop11h 25m

London Heathrow

Sat 13/9

2:05 p.m.-9:34 p.m.

1 stop12h 29m

C$ 738

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 8/9

2:00 p.m.-6:30 a.m.

1 stop11h 30m

London Heathrow

Sun 14/9

8:30 a.m.-11:25 a.m.

Nonstop7h 55m

C$ 739

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 18/9

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Mon 20/10

11:45 a.m.-7:55 p.m.

1 stop13h 10m

C$ 741

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 14/10

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Tue 21/10

2:45 p.m.-7:55 p.m.

1 stop10h 10m

C$ 742

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 4/11

10:05 p.m.-10:10 a.m.

Nonstop7h 05m

London Heathrow

Wed 19/11

11:40 a.m.-2:50 p.m.

Nonstop8h 10m

C$ 744

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 1/10

2:00 p.m.-8:35 a.m.

1 stop13h 35m

London Heathrow

Wed 15/10

8:30 a.m.-11:25 a.m.

Nonstop7h 55m

C$ 749

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 3/9

12:00 p.m.-8:35 a.m.

1 stop15h 35m

London Heathrow

Wed 10/9

7:30 a.m.-7:45 p.m.

1 stop17h 15m

C$ 759

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 24/9

10:00 p.m.-10:15 a.m.

Nonstop7h 15m

London Heathrow

Sun 5/10

5:15 p.m.-8:10 p.m.

Nonstop7h 55m

C$ 774

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 4/9

5:20 p.m.-8:00 a.m.

1 stop9h 40m

London Heathrow

Sun 21/9

8:50 a.m.-3:50 p.m.

1 stop12h 00m

C$ 785

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

Showing 1-10 of 21 results
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Best time to book a flight from Toronto to Heathrow

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

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

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Heathrow. Price data was last updated on 25 July 2025.

To ensure you get the cheapest price possible for a flight from Toronto to London Heathrow Airport, you should look to book at least 81 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 Toronto to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Toronto to London Heathrow Airport (average of C$ 560). Flying from Toronto to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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 LHR?

Find hourly flight availability from Toronto to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 July 2025.

It’s typically best to fly out from Toronto to London Heathrow Airport in the morning. Doing so could potentially save you 31% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Toronto to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Heathrow. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Toronto to London Heathrow Airport flight should consider departing on Tuesday mornings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Toronto to London Heathrow Airport

Explore weekly flight availability from Toronto to Heathrow. 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 29 July 2025.

The most flights from YTO to LHR are scheduled on a Friday (46 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (39 on average).

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

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

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

Reykjavik (KEF) – chosen by Cheapflights users on 43% of one-stop itineraries from Toronto to London Heathrow Airport on Cheapflights.

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

Average round-trip fare for 1-stop flights from Toronto to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Vienna (VIE) is the most affordable 1-stop option, with an average round-trip price of C$ 707.

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

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

Flights via Amsterdam (AMS) have the shortest average one-way travel time for 1-stop routes: 2h 59m.

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

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

Flights via Ottawa (YOW) offer the fastest connection on this route, with an average layover time of 1h 08m.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 29 July 2025.
Read reviews from past customers who have flown Delta,Virgin Atlantic, andAmerican Airlines from Toronto to London Heathrow Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
8.0
Very good

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Food

7.3

Comfort

7.9

Overall

8.0

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Toronto to Heathrow Travel Guide

London Heathrow is the main airport serving as a gateway into Europe. It’s the second busiest airport in the world. It handles more than 80 million passengers each year. The airport is located about 14 miles from Central London.

Related info for your journey

Find useful and relevant information for your journey from Toronto to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports serve Toronto to Heathrow flights?

    When you’re looking for your flight from Toronto to Heathrow in London, you can browse some from Pearson International Airport and some from Billy Bishop Toronto City. Both of these airports offer flight options to London Heathrow. Pearson has more options, including some that are non-stop, but if Billy Bishop is your preference, there are several flights available with one stop on the way.

  • Which airlines fly directly from Toronto to Heathrow?

    For direct flights to Heathrow you’ll have to fly out of Pearson. There are several to choose from there though. You can fly on British Airways. American Airlines offers a few. Finnair has a couple that are operated by British Airways. Air Canada also offers a few. Lufthansa does as well. The flight is about seven hours for this route.

  • What are the stopover options between Toronto and LHR?

    You will find some stopovers in Ottawa with Air Canada and Lufthansa. You might find you’re landing in Dublin if you fly with Air Lingus. American Airlines has a stopover in Charlotte that’s only 38 minutes long. Virgin Atlantic stops in New York at JFK. TAP Portugal has some flights that have a stop in Lisbon. There are flights that stop in Montreal going out of Billy Bishop. The stopovers are a bit longer making the travel times upwards of 17 hours in some cases.

  • Do I need a passport or visa to fly from Toronto to London Heathrow?

    You have to have a passport to fly to Heathrow. You don’t have to have a visa yet. In the year 2021, that is supposed to change so you’ll need to check the requirements if you are traveling after the first of that year.

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

    Flying on Icelandair is currently your cheapest option to London Heathrow Airport, with prices starting at C$ 737. Additional round-trip tickets that might be worth considering are offered by Air Canada and Delta, with the lowest prices starting at C$ 738 and C$ 741, respectively. These flights start at 17% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from Toronto to London Heathrow Airport are WestJet (C$ 355), TAP AIR PORTUGAL (C$ 372), and Air Canada (C$ 379).

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

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

    No one likes to see their flight delayed. When booking a flight from Toronto to London Heathrow Airport consider choosing Croatia Airlines (88%), KLM (87%) or Air France (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Toronto to London Heathrow Airport?

    On average you can expect to pay C$ 2,218 for a flight from Toronto to London Heathrow Airport. The cheapest flight overall is C$ 413 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 715.

  • Where are the most common layover locations when flying from Toronto to London Heathrow Airport?

  • What are some popular things to do or see while on a layover in Reykjavik?

    Reykjavik Open Air Museum, Harpa, and National Museum of Iceland are currently the most popular points of interest in Reykjavik at the moment. Reykjavik Open Air Museum, Harpa and National Museum of Iceland are located about 41.2 km, 37.5 km, and 36.4 km, respectively from Reykjavik Keflavik Intl if you are interested in checking them out. Travelers in need of a car in Reykjavik can rent one for about C$ 99 per day.

  • Where are the least popular layover locations for Toronto to London Heathrow Airport flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto to Heathrow 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 Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Toronto to London Heathrow Airport (average of C$ 560). Flying from Toronto to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bromley
Luton
Bedford
Southall

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Fly from Toronto to Heathrow on these airlines

Choose from the following airlines for your flight from Toronto to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 29 July 2025.

Top 10 airlines flying from Toronto to Heathrow

Discover the top 10 airlines that operate flights from Toronto to Heathrow. 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 629,999 searches. Data last updated 29 July 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 218AverageC$ 224FlexibilityNo cancel feeOn-time60%
Search WestJet flights
PLAYCheapestC$ 507AverageC$ 631FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
WestJet EncoreCheapestC$ 547AverageC$ 698FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
TAP AIR PORTUGALCheapestC$ 594AverageC$ 680FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 617AverageC$ 835FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Porter AirlinesCheapestC$ 625AverageC$ 806FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air TransatCheapestC$ 648AverageC$ 947FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 674AverageC$ 812FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapestC$ 695AverageC$ 861FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 701AverageC$ 942FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Toronto to Heathrow 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 Toronto to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Toronto to Heathrow for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Heathrow from Toronto? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for Toronto to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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