In terms of precipitation, rainfall in Toronto Region of Waterloo Intl Airport ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto Region of Waterloo Intl Airport when rainfall is around 51.0 mm.

If weather is an important factor for your trip to Toronto Region of Waterloo Intl 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Heathrow Airport to Toronto Region of Waterloo Intl Airport as you normally would.

Can I find deals for flights from Heathrow to Region of Waterloo Intl that include hotel bookings?

Yes. In addition to deals on Heathrow to Region of Waterloo Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Heathrow to Region of Waterloo Intl?

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

Can I find deals for business class flights from Heathrow to Region of Waterloo Intl?

Yes. Cheapflights offers flight deals from Heathrow to Region of Waterloo Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£333+ Cheap Flights from London Heathrow Airport to Toronto Region of Waterloo Intl Airport

Cheap flight deals from Heathrow to Region of Waterloo Intl

Enter your travel dates to find the best prices.

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Best

One-way

Cheapest flights from Heathrow to Region of Waterloo Intl
Explore the most affordable flight options available from Heathrow to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Fri 4/1209:00 -

1 stop18h 00m

Fri 11/1216:30 -

1 stop23h 30m

Deal found 22/10£1,007

Sat 5/1209:00 -

1 stop14h 15m

Sat 12/1219:00 -

1 stop36h 50m

Deal found 20/10£1,973

Sat 5/1209:00 -

1 stop14h 15m

Sat 19/1219:00 -

1 stop36h 50m

Deal found 21/10£2,514

Find flight deals from Heathrow to Region of Waterloo Intl

Round-trip from	£1,007
One-way from	£333
Popular in	August
Cheapest in	February
Average price	£449

4/12-11/12
2 total stops
41h 30m total
London to Toronto

Search Deals

29/11-31/12
1 total stop
29h 55m total
London to Toronto

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£41 potential increase over avg. return price).

Search Deals

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

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Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Sun 29/11

14:50-15:45

1 stop29h 55m

Toronto Region of Waterloo Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£333

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Sun 10/1

14:50-15:45

1 stop29h 55m

Toronto Region of Waterloo Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£347

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Sun 6/12

14:50-22:00

3 stops36h 10m

Toronto Region of Waterloo Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£472

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Fri 4/12

09:00-22:00

1 stop18h 00m

Toronto Region of Waterloo Intl

Fri 11/12

16:30-21:00

1 stop23h 30m

£1,007

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Mon 25/1

06:50-22:00

3 stops20h 10m

Toronto Region of Waterloo Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,302

Fastest return journey

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Mon 7/12

09:00-22:00

1 stop18h 00m

Toronto Region of Waterloo Intl

Wed 31/12

00:00-06:00

Nonstop0h 00m

£1,660

LondonToronto

LHR London Heathrow - YKF Toronto Region of Waterloo Intl

LHRYKF

London Heathrow

Sat 5/12

09:00-18:15

1 stop14h 15m

Toronto Region of Waterloo Intl

Sat 12/12

19:00-12:50

1 stop36h 50m

£1,973

Flights are sorted by cheapest return flights first.

Deals found on 22/10

Sorted by cheapest first

Best time to book a flight from Heathrow to Region of Waterloo Intl

Have a flexible travel schedule? Discover the best time to fly to Region of Waterloo Intl from Heathrow with our price prediction graph.

LHR-YKF

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.

Reviews of airlines servicing Region of Waterloo Intl

Check out reviews from past customers who have flown with Air Canada from London Heathrow Airport to Toronto Region of Waterloo Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,810 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

Air Canada

7.1

Good

11,810 reviews

Air Canada

7.1

Good

11,810 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

Related info for your journey

What is the cheapest airline to fly from London Heathrow Airport to Toronto Region of Waterloo Intl Airport round-trip?
Air Canada, at £414, was found to be the cheapest airline from London Heathrow Airport to Toronto Region of Waterloo Intl Airport..
Can I find deals for flights from Heathrow to Region of Waterloo Intl that include hotel bookings?
Yes. In addition to deals on Heathrow to Region of Waterloo Intl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Region of Waterloo Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Region of Waterloo Intl.
Can I find deals for business class flights from Heathrow to Region of Waterloo Intl?
Yes. Cheapflights offers flight deals from Heathrow to Region of Waterloo Intl 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

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Flights by cabin class

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Alternative routes for Heathrow to Region of Waterloo Intl

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Southend to Pearson Intl flights

Gatwick to Region of Waterloo Intl flights

Top airline flying from Heathrow to Region of Waterloo Intl

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£414	Average£475	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheapflights helps you search for flights from Heathrow to Region of Waterloo Intl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Region of Waterloo Intl.

Can Cheapflights find flights from Heathrow to Region of Waterloo Intl with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Region of Waterloo Intl flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Region of Waterloo Intl become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Region of Waterloo Intl from Heathrow today and book when prices fit your budget.

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Cheap flights from London Heathrow Airport to Toronto Region of Waterloo Intl Airport from £333

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Region of Waterloo Intl

Cheapest flights from Heathrow to Region of Waterloo IntlExplore the most affordable flight options available from Heathrow to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Explore the most affordable flight options available from Heathrow to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from Heathrow to Region of Waterloo IntlDiscover carefully curated flight deals from Heathrow to Region of Waterloo Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

Discover carefully curated flight deals from Heathrow to Region of Waterloo Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

One-way flights from Heathrow to Region of Waterloo IntlSearch for one-way flight options from Heathrow to Region of Waterloo Intl. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Search for one-way flight options from Heathrow to Region of Waterloo Intl. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.

Find flight deals from Heathrow to Region of Waterloo Intl

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Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Region of Waterloo Intl

Have a flexible travel schedule? Discover the best time to fly to Region of Waterloo Intl from Heathrow with our price prediction graph.

Reviews of airlines servicing Region of Waterloo Intl

Check out reviews from past customers who have flown with Air Canada from London Heathrow Airport to Toronto Region of Waterloo Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What is the cheapest airline to fly from London Heathrow Airport to Toronto Region of Waterloo Intl Airport round-trip?

Can I find deals for flights from Heathrow to Region of Waterloo Intl that include hotel bookings?

How can I find direct flights from Heathrow to Region of Waterloo Intl?

Can I find deals for business class flights from Heathrow to Region of Waterloo Intl?

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 Heathrow to Region of Waterloo Intl

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

Complete your trip

Complete your trip to Region of Waterloo Intl by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Ontario

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

Search flights from Heathrow to Region of Waterloo Intl by cabin class

Find flights from Heathrow to Region of Waterloo Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Region of Waterloo Intl flights

Browse other Heathrow and Region of Waterloo Intl flight options. Last updated on 25 October 2026.

Other flights from Heathrow

Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 25 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Heathrow to Region of Waterloo Intl

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How does Cheapflights help users find flights from Heathrow to Region of Waterloo Intl?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Region of Waterloo Intl?

Can Cheapflights find flights from Heathrow to Region of Waterloo Intl with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Region of Waterloo Intl become cheaper?

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Travel Smart

Cheapest flights from Heathrow to Region of Waterloo Intl
Explore the most affordable flight options available from Heathrow to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 October 2026.

Best flights from Heathrow to Region of Waterloo Intl
Discover carefully curated flight deals from Heathrow to Region of Waterloo Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 25 October 2026.

One-way flights from Heathrow to Region of Waterloo Intl
Search for one-way flight options from Heathrow to Region of Waterloo Intl. Find affordable one-way fares based on user searches. Data last updated 25 October 2026.