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

Currently priced at £361, TAP AIR PORTUGAL will fly you from Toronto to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Icelandair - these airlines can fly you to your destination from £362 and £374, respectively. TAP AIR PORTUGAL is currently priced 26% 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 WestJet. According to our data, you can fly for as low as £175. Users have also found prices from £224 and £228 on Air Canada and British Airways, respectively.

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

Travellers seeking maximum savings on their Toronto to London Heathrow Airport flight should consider departing on Wednesday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 cheapest flights from Toronto to London Heathrow Airport?

Looking at all options, your cheapest flight can be booked for £258. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for £187 on average our data indicates £934 when flying 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 Ethiopian Air (88%), Egyptair (78%) and American Airlines (76%).

What are the most popular airlines that fly from Toronto to London Heathrow Airport?

When booking a flight from Toronto to London Heathrow Airport, you may want to consider flying on American Airlines, Air Canada or Air France as they are the most popular for this route.

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

Travelers have found that booking a Saturday departure is the best way to save up to 11% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Find a great deal and save up to 21% by booking at least 50 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Toronto to London Heathrow Airport within the next two weeks, with the cheapest ticket starting at £460.

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

The best pricing can be found in the month of February. Prices to London Heathrow Airport from Toronto average £461. You can even find prices in February for less than £461, as users have found deals to London Heathrow Airport from as low as £283. The month of December appears to be one of the more expensive times to travel to London Heathrow Airport from Toronto. Flying in the targeted month can save you up to 29%.

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.

£175+ Flights from Toronto to London Heathrow Airport

Cheapflights Tip: The best prices from Toronto to London Heathrow are usually found in February or January, booked 81 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Toronto to Heathrow

Round-trip from	£361
One-way from	£175
Popular in	July
Cheapest in	February
Average price	£430
Good round-trip deal	£418 or less
Good one-way deal	£275 or less

TAP AIR PORTUGAL
20/10-25/10
2 total stops
50h 15m total
Toronto to London

Search Deals

WestJet
6/6
1 total stop
25h 05m total
Toronto to London

Search Deals

Highest demand for flights based on searches. 16% potential increase in price (£73 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

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

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 April 2025.

Mon 20/1017:50YYZ - LHR

1 stop18h 55mTAP AIR PORTUGAL

Sat 25/1019:50LHR - YYZ

1 stop31h 20mTAP AIR PORTUGAL

Deal found 27/4£361

Thu 1/523:20YYZ - LHR

1 stop26h 10mAir Canada

Tue 6/508:45LHR - YYZ

1 stop12h 40mAir Canada

Deal found 28/4£362

Fri 6/623:00YYZ - LHR

1 stop16h 20mIcelandair

Thu 12/621:25LHR - YYZ

1 stop29h 30mIcelandair

Deal found 29/4£374

Sun 8/615:25YTZ - LHR

1 stop10h 05mAir Canada

Mon 23/609:30LHR - YTZ

1 stop10h 16mAir Canada

Deal found 29/4£382

Wed 4/618:05YYZ - LHR

Nonstop7h 10mBritish Airways

Fri 13/613:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 28/4£394

Mon 19/516:00YYZ - LHR

1 stop9h 30mMultiple Airlines

Sun 8/606:30LHR - YYZ

1 stop18h 15mMultiple Airlines

Deal found 29/4£398

Fri 23/516:00YYZ - LHR

1 stop9h 30mLufthansa

Sat 31/517:40LHR - YYZ

1 stop30h 39mLufthansa

Deal found 29/4£401

Fri 23/518:05YYZ - LHR

Nonstop7h 10mAmerican Airlines

Tue 27/509:15LHR - YYZ

2 stops13h 05mAmerican Airlines

Deal found 28/4£412

Mon 13/1022:30YYZ - LHR

Nonstop7h 10mDelta

Tue 21/1006:30LHR - YYZ

1 stop11h 50mDelta

Deal found 28/4£425

Wed 14/508:50YTZ - LHR

2 stops16h 40mMultiple Airlines

Thu 22/508:40LHR - YTZ

2 stops14h 10mMultiple Airlines

Deal found 28/4£427

Mon 6/1022:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Mon 13/1011:30LHR - YYZ

1 stop14h 25mVirgin Atlantic

Deal found 28/4£430

Fri 23/520:15YYZ - LHR

1 stop16h 35mSWISS

Thu 5/608:40LHR - YYZ

1 stop12h 45mSWISS

Deal found 29/4£431

Best flights from Toronto to Heathrow
Discover carefully curated flight deals from Toronto to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 29 April 2025.

Mon 20/1017:50YYZ - LHR

1 stop18h 55mTAP AIR PORTUGAL

Sat 25/1019:50LHR - YYZ

1 stop31h 20mTAP AIR PORTUGAL

Deal found 27/4£361

Tue 3/618:20YYZ - LHR

Nonstop7h 15mAir Canada

Wed 11/606:00LHR - YYZ

1 stop12h 50mAir Canada

Deal found 28/4£362

Fri 6/623:00YYZ - LHR

1 stop16h 20mIcelandair

Thu 12/621:25LHR - YYZ

1 stop29h 30mIcelandair

Deal found 29/4£374

Wed 4/618:05YYZ - LHR

Nonstop7h 10mBritish Airways

Fri 13/613:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 28/4£394

Mon 19/516:00YYZ - LHR

1 stop9h 30mMultiple Airlines

Sun 8/606:30LHR - YYZ

1 stop18h 15mMultiple Airlines

Deal found 29/4£398

Fri 23/516:00YYZ - LHR

1 stop9h 30mLufthansa

Sat 31/517:40LHR - YYZ

1 stop30h 39mLufthansa

Deal found 29/4£401

Fri 23/518:05YYZ - LHR

Nonstop7h 10mAmerican Airlines

Tue 27/509:15LHR - YYZ

2 stops13h 05mAmerican Airlines

Deal found 28/4£412

Mon 13/1022:30YYZ - LHR

Nonstop7h 10mDelta

Wed 22/1006:30LHR - YYZ

1 stop12h 00mDelta

Deal found 28/4£425

Fri 23/520:15YYZ - LHR

1 stop16h 35mSWISS

Thu 5/608:40LHR - YYZ

1 stop12h 45mSWISS

Deal found 29/4£431

Mon 13/1022:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Sun 19/1017:50LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Deal found 28/4£433

Sat 24/512:05YYZ - LHR

2 stops13h 40mUnited Airlines

Sat 31/508:00LHR - YYZ

2 stops17h 23mUnited Airlines

Deal found 29/4£441

Thu 12/606:00YHM - LHR

1 stop25h 05mWestJet

Thu 19/614:10LHR - YHM

1 stop15h 31mWestJet

Deal found 28/4£452

Direct flights from Toronto to Heathrow
Explore direct flight options from Toronto to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 April 2025.

Tue 27/520:30YYZ - LHR

Nonstop7h 05mAir Canada

Tue 10/615:50LHR - YYZ

Nonstop7h 55mAir Canada

Deal found 28/4£387

Wed 4/618:05YYZ - LHR

Nonstop7h 10mBritish Airways

Fri 13/613:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 28/4£394

Fri 23/518:20YYZ - LHR

Nonstop7h 15mMultiple Airlines

Tue 3/617:40LHR - YYZ

Nonstop7h 50mMultiple Airlines

Deal found 29/4£401

Wed 4/618:20YYZ - LHR

Nonstop7h 15mLufthansa

Tue 10/608:30LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 28/4£402

Sun 11/518:05YYZ - LHR

Nonstop7h 10mAmerican Airlines

Sun 18/513:20LHR - YYZ

Nonstop7h 40mAmerican Airlines

Deal found 28/4£417

Mon 13/1022:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Sun 19/1017:50LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Deal found 28/4£433

Sun 12/1022:30YYZ - LHR

Nonstop7h 10mDelta

Thu 30/1014:00LHR - YYZ

Nonstop7h 55mDelta

Deal found 28/4£457

Last-minute flights from Toronto to Heathrow
Discover last-minute flight deals from Toronto to Heathrow. Data last updated 29 April 2025 and is based on user searches.

Thu 1/523:20YYZ - LHR

1 stop26h 10mAir Canada

Tue 6/508:45LHR - YYZ

1 stop12h 40mAir Canada

Deal found 28/4£362

Mon 5/523:20YYZ - LHR

1 stop26h 10mAir Canada

Fri 9/508:40LHR - YYZ

1 stop12h 45mAir Canada

Deal found 28/4£362

Mon 5/512:45YYZ - LHR

1 stop13h 10mUnited Airlines

Mon 12/508:30LHR - YYZ

1 stop13h 12mUnited Airlines

Deal found 29/4£441

Mon 5/515:10YYZ - LHR

1 stop16h 05mBritish Airways

Tue 13/513:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 28/4£448

Mon 5/515:00YYZ - LHR

1 stop11h 15mUnited Airlines

Fri 9/508:30LHR - YYZ

1 stop12h 16mUnited Airlines

Deal found 29/4£441

Tue 6/508:50YTZ - LHR

2 stops16h 40mAir Canada

Fri 9/519:30LHR - YTZ

2 stops26h 20mAir Canada

Deal found 29/4£397

Tue 6/520:05YYZ - LHR

1 stop31h 30mLufthansa

Tue 20/508:30LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 28/4£403

Tue 6/516:00YYZ - LHR

1 stop9h 30mMultiple Airlines

Sat 10/507:25LHR - YYZ

1 stop12h 05mMultiple Airlines

Deal found 29/4£407

Tue 6/510:25YTZ - LHR

1 stop15h 05mMultiple Airlines

Fri 9/513:45LHR - YTZ

2 stops33h 05mMultiple Airlines

Deal found 29/4£462

Tue 6/522:30YYZ - LHR

Nonstop7h 10mDelta

Mon 12/511:45LHR - YYZ

1 stop13h 10mDelta

Deal found 29/4£517

Wed 7/522:00YYZ - LHR

Nonstop7h 15mAmerican Airlines

Mon 12/517:15LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 27/4£417

Wed 7/520:15YYZ - LHR

1 stop20h 30mSWISS

Mon 12/507:00LHR - YYZ

2 stops16h 40mSWISS

Deal found 29/4£441

One-way flights from Toronto to Heathrow
Search for one-way flight options from Toronto to Heathrow. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Fri 6/606:00YHM - LHR

1 stop25h 05mWestJet

Deal found 29/4£175

Mon 16/622:15YYZ - LHR

1 stop18h 35mMultiple Airlines

Deal found 28/4£183

Fri 6/614:30YYZ - LHR

2 stops18h 15mWestJet

Deal found 29/4£194

Fri 6/618:25YTZ - LHR

1 stop10h 35mAir Canada

Deal found 29/4£224

Fri 6/618:05YYZ - LHR

Nonstop7h 10mBritish Airways

Deal found 29/4£228

Sun 5/1017:35YYZ - LHR

1 stop11h 45mTAP AIR PORTUGAL

Deal found 28/4£230

Wed 1/1023:00YYZ - LHR

1 stop16h 20mIcelandair

Deal found 28/4£265

Tue 27/507:00YTZ - LHR

3 stops24h 30mMultiple Airlines

Deal found 29/4£265

Mon 26/517:10YYZ - LHR

2 stops21h 45mScandinavian Airlines

Deal found 27/4£300

Sat 17/522:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Deal found 28/4£306

Sat 16/806:15YYZ - LHR

1 stop19h 15mAir Canada

Deal found 28/4£308

Thu 23/1020:45YYZ - LHR

2 stops16h 00mAzores Airlines

Deal found 29/4£309

Cheapflights Fare Finder

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

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 20/10

17:50-17:45

1 stop18h 55m

London Heathrow

Sat 25/10

19:50-22:10

1 stop31h 20m

£361

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 3/6

16:30-06:30

1 stop9h 00m

London Heathrow

Wed 11/6

06:00-13:50

1 stop12h 50m

£362

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 6/6

23:00-20:20

1 stop16h 20m

London Heathrow

Thu 12/6

21:25-21:55

1 stop29h 30m

£374

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Sun 8/6

15:25-06:30

1 stop10h 05m

London Heathrow

Mon 23/6

09:30-14:46

1 stop10h 16m

£382

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 4/6

18:05-06:15

Nonstop7h 10m

London Heathrow

Fri 13/6

13:20-16:00

Nonstop7h 40m

£394

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 19/5

16:00-06:30

1 stop9h 30m

London Heathrow

Sun 8/6

06:30-19:45

1 stop18h 15m

£398

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 23/5

16:00-06:30

1 stop9h 30m

London Heathrow

Sat 31/5

17:40-19:19

1 stop30h 39m

£401

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 23/5

18:05-06:15

Nonstop7h 10m

London Heathrow

Tue 27/5

09:15-17:20

2 stops13h 05m

£412

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 13/10

22:30-10:40

Nonstop7h 10m

London Heathrow

Tue 21/10

06:30-13:20

1 stop11h 50m

£425

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 14/5

08:50-06:30

2 stops16h 40m

London Heathrow

Thu 22/5

08:40-17:50

2 stops14h 10m

£427

Flights are sorted by cheapest return flights first.

Deals found on 29/4

Showing 1-10 of 33 results

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

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 81 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.

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 £112). Flying from Toronto to London Heathrow Airport in August is currently the most expensive (average of £164). 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?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 10% on flights from Toronto to London Heathrow Airport by exploring options for tickets at midday.

Weekly flight availability from Toronto to London Heathrow Airport

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 (37 on average).

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Delta, Azores Airlines and Austrian Airlines from Toronto to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,929 reviews

Check prices

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.

Delta

8.0

Very Good

7,929 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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.

Azores Airlines

7.6

Good

66 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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.

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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.

SWISS

7.5

Good

1,588 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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.

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very Good

7,929 reviews

Check prices

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.

Related info for your journey

What are the cheapest airlines flying from Toronto to London Heathrow Airport round-trip?
Currently priced at £361, TAP AIR PORTUGAL will fly you from Toronto to London Heathrow Airport and back. In addition to TAP AIR PORTUGAL, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Icelandair - these airlines can fly you to your destination from £362 and £374, respectively. TAP AIR PORTUGAL is currently priced 26% 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 WestJet. According to our data, you can fly for as low as £175. Users have also found prices from £224 and £228 on Air Canada and British Airways, 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 Ethiopian Air (88%), Egyptair (78%) and American Airlines (76%).
What are the cheapest flights from Toronto to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for £258. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for £187 on average our data indicates £934 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, January is the cheapest month in which you can book a flight from Toronto to London Heathrow Airport (average of £112). Flying from Toronto to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Deal

Hounslow

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Northampton

Ilford

Hayes

Southend-on-Sea

Crawley

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Ipswich

Maidstone

Winchester

Swindon

Folkestone

Dartford

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from Toronto to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
TAP AIR PORTUGAL	Cheapest£246	Average£360	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Air Transat	Cheapest£342	Average£499	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Aer Lingus	Cheapest£361	Average£467	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Icelandair	Cheapest£373	Average£512	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Air Canada	Cheapest£374	Average£519	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£396	Average£457	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£401	Average£587	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£404	Average£524	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£405	Average£517	FlexibilityNo cancel fee	On-time75%	Search KLM flights
American Airlines	Cheapest£417	Average£417	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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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Cheap flights from Toronto to London Heathrow Airport from £175

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Toronto to London Heathrow are usually found in February or January, booked 81 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Toronto to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Toronto to Heathrow

Cheapest flights from Toronto to HeathrowExplore 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 April 2025.

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 April 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Toronto to London Heathrow Airport that are best for you.

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.

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 return flight from Toronto to Heathrow. Price data was last updated on 25 April 2025.

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

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 April 2025.

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 April 2025.

Rainfall in Heathrow by month

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

Temperature in Heathrow by month

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

Reviews of airlines servicing Heathrow

Get a feel of what it's like to fly with Delta, Azores Airlines and Austrian Airlines from Toronto to London by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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

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

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

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

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

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

How can I find direct flights from Toronto to Heathrow?

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

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

Travelling to a place near Toronto?

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Alternative routes for Toronto to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Toronto to Heathrow

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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 April 2025.