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.

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).

What is the cheapest time of day to fly from YTZ to LHR?

When flying from Toronto Island Airport 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.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Toronto Island 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.

£231+ Cheap Flights from Toronto Island Airport to London Heathrow Airport

Cheap flight deals from Toronto Island to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Toronto Island to Heathrow
Explore the most affordable flight options available from Toronto Island to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Sun 27/917:30 -

1 stop11h 30m

Sat 3/1014:05 -

1 stop12h 25m

Deal found 30/8£444

Tue 13/1018:30 -

1 stop10h 30m

Tue 20/1009:30 -

1 stop11h 20m

Deal found 30/8£448

Thu 1/1015:35 -

1 stop9h 55m

Mon 12/1009:30 -

1 stop10h 30m

Deal found 26/8£450

Wed 14/1018:55 -

1 stop8h 40m

Wed 21/1014:05 -

1 stop10h 45m

Deal found 30/8£451

Mon 7/910:20 -

1 stop15h 10m

Mon 14/909:30 -

1 stop10h 30m

Deal found 29/8£452

Mon 12/1015:35 -

1 stop9h 55m

Mon 19/1009:30 -

1 stop10h 30m

Deal found 28/8£453

Thu 22/1015:35 -

1 stop9h 55m

Sat 31/1011:10 -

1 stop11h 09m

Deal found 28/8£454

Thu 1/1015:35 -

1 stop9h 55m

Thu 8/1009:30 -

1 stop10h 30m

Deal found 27/8£457

Tue 8/918:30 -

1 stop10h 30m

Fri 2/1014:05 -

1 stop10h 45m

Deal found 28/8£458

Find flight deals from Toronto Island to Heathrow

Round-trip from	£444
One-way from	£231
Popular in	December
Cheapest in	January
Average price	£584

Air Canada
27/9-3/10
2 total stops
23h 55m total
Toronto to London

Search Deals

Air Canada
24/10
1 total stop
12h 55m total
Toronto to London

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 17/9

15:15-10:40

1 stop14h 25m

London Heathrow

Tue 22/9

12:15-18:51

1 stop11h 36m

£509

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Sat 24/10

19:35-13:00

1 stop12h 25m

London Heathrow

Sun 1/11

12:05-18:45

1 stop11h 40m

£509

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 10/9

15:15-06:55

1 stop10h 40m

London Heathrow

Fri 25/9

12:15-18:51

1 stop11h 36m

£509

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 12/11

12:10-09:10

2 stops16h 00m

London Heathrow

Mon 16/11

12:05-18:45

1 stop11h 40m

£510

Fastest return journey

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Mon 9/11

15:15-06:40

1 stop10h 25m

London Heathrow

Fri 20/11

12:05-18:45

1 stop11h 40m

£510

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 17/9

15:15-06:55

1 stop10h 40m

London Heathrow

Sun 20/9

16:40-18:51

1 stop31h 11m

£510

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Sat 3/10

10:55-06:55

2 stops15h 00m

London Heathrow

Fri 16/10

12:15-18:56

1 stop11h 41m

£510

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Tue 22/9

12:15-06:45

1 stop13h 30m

London Heathrow

Wed 30/9

07:45-18:51

2 stops16h 06m

£510

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 17/9

15:15-06:55

1 stop10h 40m

London Heathrow

Sun 11/10

07:45-18:56

2 stops16h 11m

£510

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 17/9

15:15-06:55

1 stop10h 40m

London Heathrow

Thu 24/9

12:15-18:51

1 stop11h 36m

£510

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Toronto Island to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Toronto Island with our price prediction graph.

YTZ-LHR

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 Island Airport to London Heathrow Airport

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

Ottawa (YOW) – chosen by Cheapflights users on 50% of one-stop itineraries from Toronto Island Airport to London Heathrow Airport on Cheapflights.

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

Ottawa (YOW) is the most affordable one-stop option, with an average return flight price of £294.

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

Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 9h 55m.

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

Flights via Ottawa (YOW) offer the fastest connection on this route, with an average stopover time of 2h 00m.

Related info for your journey

How long is the flight from Toronto Island Airport to London Heathrow Airport?
A quick flight from Toronto Island Airport to London Heathrow Airport can take about 14h 25m. United Airlines provides one of the quickest options available for as low as £509. There are 3537 mi between Toronto Island Airport and London Heathrow Airport.
Can I find deals for flights from Toronto Island to Heathrow that include hotel bookings?
Yes. In addition to deals on Toronto Island to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Toronto Island to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto Island to Heathrow.
Can I find deals for business class flights from Toronto Island to Heathrow?
Yes. Cheapflights offers flight deals from Toronto Island 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.

See more FAQs

Hounslow

Milton Keynes

Luton

Gatwick

Wembley

Slough

Ilford

Hayes

Croydon

Northampton

Colchester

Eastbourne

Brentford

Barnet

Salisbury

Southall

Southend-on-Sea

Enfield

Kingston upon Thames

Watford

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Heathrow flight routes

Other flight options

Popular flights

Alternative routes for Toronto Island to Heathrow

Pearson Intl to Heathrow flights

Pearson Intl to Gatwick flights

Pearson Intl to London City flights

Pearson Intl to Stansted flights

Pearson Intl to Luton flights

Hamilton to Heathrow flights

Hamilton to Gatwick flights

Fly with Cheapflights

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

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Toronto Island.

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

Certainly. Search results for flights to Heathrow from Toronto Island shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for Toronto Island 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Toronto Island Airport to London Heathrow Airport from £231

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 24/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Toronto Island to Heathrow

Cheapest flights from Toronto Island to HeathrowExplore the most affordable flight options available from Toronto Island to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Explore the most affordable flight options available from Toronto Island to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from Toronto Island to HeathrowDiscover carefully curated flight deals from Toronto Island to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Discover carefully curated flight deals from Toronto Island to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Last-minute flights from Toronto Island to HeathrowDiscover last-minute flight deals from Toronto Island to Heathrow. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from Toronto Island to Heathrow. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Toronto Island to HeathrowSearch for one-way flight options from Toronto Island to Heathrow. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way flight options from Toronto Island to Heathrow. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from Toronto Island to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Toronto Island to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Toronto Island with our price prediction graph.

Cheapflights Insights

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

Ottawa (YOW) – chosen by Cheapflights users on 50% of one-stop itineraries from Toronto Island Airport to London Heathrow Airport on Cheapflights.

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

Ottawa (YOW) is the most affordable one-stop option, with an average return flight price of £294.

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

Flights via Ottawa (YOW) have the shortest average one-way travel time for one-stop routes: 9h 55m.

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

Flights via Ottawa (YOW) offer the fastest connection on this route, with an average stopover time of 2h 00m.

Related info for your journey

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

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

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

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

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Toronto Island to Heathrow

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

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Toronto Island to Heathrow by cabin class

Find flights from Toronto Island to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 31 August 2026.

Toronto Island and Heathrow flights

Browse other Toronto Island and Heathrow flight options. Last updated on 31 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Toronto Island to Heathrow
Explore the most affordable flight options available from Toronto Island to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from Toronto Island to Heathrow
Discover carefully curated flight deals from Toronto Island to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Last-minute flights from Toronto Island to Heathrow
Discover last-minute flight deals from Toronto Island to Heathrow. Data last updated 31 August 2026 and is based on user searches.

One-way flights from Toronto Island to Heathrow
Search for one-way flight options from Toronto Island to Heathrow. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.