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Cheap flights from Toronto to London Heathrow Airport from £218

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — LHR
20 Jun — 27 Jun1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Toronto to London Heathrow are usually found in January or February, booked 75 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Toronto to Heathrow

Enter your travel dates to find the best prices.

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 21 May 2026.

Fri 18/923:10
YYZ
-
LHR
1 stop31h 45m
Icelandair
Sat 3/1013:05
LHR
-
YYZ
1 stop11h 05m
Icelandair
Deal found 19/5£434
Wed 23/920:45
YYZ
-
LHR
1 stop10h 10m
Icelandair
Wed 30/921:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 20/5£435
Thu 12/1119:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Wed 25/1112:15
LHR
-
YYZ
1 stop11h 00m
Icelandair
Deal found 18/5£435
Fri 12/623:10
YYZ
-
LHR
1 stop16h 10m
Icelandair
Mon 15/621:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 19/5£437
Fri 25/923:10
YYZ
-
LHR
1 stop31h 45m
Icelandair
Sun 4/1021:25
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 16/5£438
Wed 10/623:10
YYZ
-
LHR
1 stop31h 45m
Icelandair
Tue 16/621:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 17/5£439
Tue 29/920:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Wed 7/1021:25
LHR
-
YYZ
1 stop29h 40m
Icelandair
Deal found 16/5£440
Fri 18/923:10
YYZ
-
LHR
1 stop31h 45m
Icelandair
Sat 26/921:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Deal found 19/5£441
Sun 8/1119:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Wed 18/1112:15
LHR
-
YYZ
1 stop11h 00m
Icelandair
Deal found 19/5£441
Sat 7/1119:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Wed 18/1112:15
LHR
-
YYZ
1 stop11h 00m
Icelandair
Deal found 19/5£442
Sat 7/1119:40
YYZ
-
LHR
1 stop18h 50m
Icelandair
Sun 15/1120:35
LHR
-
YYZ
1 stop26h 40m
Icelandair
Deal found 19/5£443
Tue 9/612:20
YTZ
-
LHR
2 stops13h 10m
Multiple Airlines
Mon 15/608:40
LHR
-
YTZ
2 stops14h 12m
Multiple Airlines
Deal found 17/5£452

Find 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 21 May 2026.

Round-trip from

£434

One-way from

£218

Popular in

December

Cheapest in

January

Average price

£483

Good round-trip deal

£489 or less

Good one-way deal

£295 or less
Icelandair
  • Icelandair
  • 18/9-3/10
  • 2 total stops
  • 42h 50m total
  • Toronto to London
Search Deals
5/6
  • 5/6
  • 2 total stops
  • 17h 05m total
  • Toronto to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to London Heathrow.
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 21 May 2026.
Use the filters below to find and compare flights from Toronto to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 4/6

22:55-11:10

Nonstop7h 15m

London Heathrow

Fri 12/6

09:55-19:55

1 stop15h 00m

£478

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 9/6

22:55-11:10

Nonstop7h 15m

London Heathrow

Mon 15/6

09:55-19:55

1 stop15h 00m

£479

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 11/6

22:55-11:10

Nonstop7h 15m

London Heathrow

Thu 18/6

06:30-13:20

1 stop11h 50m

£479
Fastest return journey

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 10/6

18:05-08:35

1 stop9h 30m

London Heathrow

Tue 16/6

08:30-11:15

Nonstop7h 45m

£482

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 17/6

16:45-09:00

1 stop11h 15m

London Heathrow

Mon 22/6

06:30-13:20

1 stop11h 50m

£501

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 18/6

22:55-11:10

Nonstop7h 15m

London Heathrow

Fri 26/6

09:40-21:19

2 stops16h 39m

£505

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 4/6

14:55-10:25

2 stops14h 30m

London Heathrow

Sun 14/6

12:15-18:42

1 stop11h 27m

£514

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Mon 1/6

14:55-06:55

1 stop11h 00m

London Heathrow

Mon 8/6

12:15-18:42

1 stop11h 27m

£516

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 11/6

14:55-06:55

1 stop11h 00m

London Heathrow

Wed 17/6

08:00-16:41

1 stop13h 41m

£516

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Tue 9/6

14:55-09:20

2 stops13h 25m

London Heathrow

Mon 15/6

12:15-18:42

1 stop11h 27m

£516

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Showing 1-10 of 60 resultsSorted by cheapest first
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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 return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Toronto to London Heathrow Airport

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

Currently, February is the cheapest month in which you can book a flight from Toronto to London Heathrow Airport (average of £438). Flying from Toronto to London Heathrow Airport in July is currently the most expensive (average of £655). 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 21 May 2026.

When flying from Toronto to London Heathrow Airport, 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 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 21 May 2026.

The most flights from YTO to LHR are scheduled on a Tuesday (44 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (15 on average).

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

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

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

Reykjavik (KEF) – chosen by Cheapflights users on 39% of one-stop itineraries from Toronto to London Heathrow Airport on Cheapflights.

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

Average return fare for one-stop flights from Toronto to London Heathrow Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Ottawa (YOW) is the most affordable one-stop option, with an average return flight price of £297.

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

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

Flights via Montreal (YUL) have the shortest average one-way travel time for one-stop routes: 9h 15m.

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

Average stopover duration for one-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 Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 0h 58m.

How often are flights from Toronto to London delayed?

About 21% of weekly flights between Toronto and London have experienced delays in the past year, with the average delay time being 158 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 past year, Virgin Atlantic have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

The best time to book flights from Toronto to London Heathrow Airport is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 21 May 2026.
Read reviews from past customers who have flown with Virgin Atlantic,Air Canada, andLufthansa 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.
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Overall

7.5

Entertainment

7.5

Food

6.9

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
689 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Overall

7.5

Entertainment

7.5

Food

6.9

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Air Canada
7.1
Good
11,070 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Overall

7.5

Entertainment

7.5

Food

6.9

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Lufthansa
6.8
Okay
8,018 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Overall

7.5

Entertainment

7.5

Food

6.9

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
7,991 reviews
Virgin Atlantic
7.5
Good
689 reviews
Check prices

Crew

8.1

Overall

7.5

Entertainment

7.5

Food

6.9

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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.

  • How long is the flight from Toronto to London Heathrow Airport?

    For as low as £478, Delta can have you in London Heathrow Airport from Toronto in 7h 15m. Airlines will cover a distance of 3543 mi. This flight may include one or multiple stops.

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

    Currently priced at £310, Aer Lingus will fly you from Toronto to London Heathrow Airport and back. In addition to Aer Lingus, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Icelandair and KLM - these airlines can fly you to your destination from £361 and £379, respectively. Aer Lingus is currently priced 39% below the average price you’ll pay for this route.

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

    For one-way options, check prices for TAP AIR PORTUGAL. According to our data, you can fly for as low as £170. Users have also found prices from £223 and £290 on Air Canada and Lufthansa, respectively.

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

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

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

    The top 3 most reliable airlines when flying from Toronto to London Heathrow Airport are KLM (89%), Air France (89%) and Delta (89%).

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

    Looking at all options, your cheapest flight can be booked for £278. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for £405 on average, our data indicates £947 when flying from Toronto to London Heathrow Airport.

  • 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 holiday 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, February is the cheapest month in which you can book a flight from Toronto to London Heathrow Airport (average of £438). Flying from Toronto to London Heathrow Airport in July is currently the most expensive (average of £655). 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
Hounslow
Milton Keynes
Croydon
Northampton
Wembley
Luton
Gatwick
Slough
Ilford
Hayes
Brentford
Colchester
Watford
Romford
Kingston upon Thames
Eastbourne
Ipswich
Swindon
Guildford
Southall

Browse thousands of different options on Cheapflights for your next trip

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Top 9 airlines flying from Toronto to Heathrow

Discover the top 9 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 858,174 searches. Data last updated 21 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£310Average£617FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapest£361Average£621FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£379Average£567FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£389Average£644FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air CanadaCheapest£405Average£527FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
British AirwaysCheapest£406Average£582FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest£406Average£510FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£458Average£551FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£472Average£574FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Toronto to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Heathrow?

Millions of users choose and trust Cheapflights to book the best flight deals from Toronto to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Toronto to Heathrow with no change fees.

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

Of course! You can now track prices for flights from Toronto to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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