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.

£226+ 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.

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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 11 September 2026.

Sat 26/918:55 -

1 stop8h 40m

Mon 5/1009:30 -

1 stop10h 30m

Deal found 8/9£444

Sun 1/1118:30 -

2 stops21h 30m

Sat 7/1106:00 -

2 stops16h 51m

Deal found 10/9£450

Sat 26/918:55 -

1 stop8h 40m

Wed 14/1014:10 -

1 stop12h 20m

Deal found 9/9£452

Tue 6/1018:30 -

1 stop10h 30m

Tue 20/1014:05 -

1 stop10h 45m

Deal found 6/9£453

Mon 21/915:35 -

1 stop9h 55m

Wed 14/1014:05 -

1 stop10h 45m

Deal found 9/9£453

Mon 21/915:35 -

1 stop9h 55m

Tue 29/909:30 -

1 stop11h 20m

Deal found 9/9£454

Fri 25/908:20 -

2 stops17h 10m

Sun 4/1009:30 -

2 stops17h 00m

Deal found 8/9£455

Mon 14/915:35 -

1 stop9h 55m

Mon 21/909:30 -

1 stop10h 30m

Deal found 10/9£456

Wed 14/1018:55 -

1 stop8h 40m

Wed 21/1014:10 -

1 stop12h 20m

Deal found 10/9£456

Wed 23/915:35 -

1 stop12h 00m

Mon 19/1014:05 -

1 stop10h 45m

Deal found 8/9£459

Find flight deals from Toronto Island to Heathrow

Round-trip from	£444
One-way from	£226
Popular in	December
Cheapest in	January
Average price	£473

Air Canada
26/9-5/10
2 total stops
19h 10m total
Toronto to London

Search Deals

21/9-31/12
2 total stops
23h 15m total
Toronto to London

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£2 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

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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

Mon 5/10

10:20-06:30

1 stop15h 10m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£247

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Sat 17/10

09:15-08:05

3 stops41h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£278

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Thu 1/10

19:35-09:00

1 stop32h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£281

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Fri 15/1

07:25-06:40

2 stops18h 15m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£281

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Sat 27/2

10:55-06:40

2 stops14h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£281

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Wed 4/11

16:00-10:50

2 stops13h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£281

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Mon 11/1

14:05-10:50

2 stops15h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£281

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Fri 27/11

14:05-10:50

2 stops15h 45m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£281

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Tue 6/10

14:20-10:40

2 stops15h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£282

TorontoLondon

YTZ Toronto Island - LHR London Heathrow

YTZLHR

Toronto Island

Mon 5/10

14:20-10:40

2 stops15h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£282

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 23 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 £295.

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 13h 30m. United Airlines provides one of the quickest options available for as low as £524. 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.

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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.

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Cheap flights from Toronto Island Airport to London Heathrow Airport from £226

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/9. 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 11 September 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 11 September 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 11 September 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 11 September 2026.

Last-minute flights from Toronto Island to HeathrowDiscover last-minute flight deals from Toronto Island to Heathrow. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Toronto Island to Heathrow. Data last updated 11 September 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 11 September 2026.

Search for one-way flight options from Toronto Island to Heathrow. Find affordable one-way fares based on user searches. Data last updated 11 September 2026.

Find flight deals from Toronto Island to Heathrow

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Popular in

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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 £295.

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 11 September 2026.

Toronto Island and Heathrow flights

Browse other Toronto Island and Heathrow flight options. Last updated on 11 September 2026.

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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?

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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 11 September 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 11 September 2026.

Last-minute flights from Toronto Island to Heathrow
Discover last-minute flight deals from Toronto Island to Heathrow. Data last updated 11 September 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 11 September 2026.