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 YKF to LHR?

When flying from Toronto Region of Waterloo Intl 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 Region of Waterloo Intl to Heathrow that include hotel bookings?

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

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

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

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

Yes. Cheapflights offers flight deals from Region of Waterloo Intl 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.

£224+ Cheap Flights from Toronto Region of Waterloo Intl Airport to London Heathrow Airport

Cheap flight deals from Region of Waterloo Intl to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Region of Waterloo Intl to Heathrow
Explore the most affordable flight options available from Region of Waterloo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Thu 29/1019:00 -

1 stop37h 50m

Thu 5/1114:50 -

1 stop29h 55m

Deal found 14/9£681

Fri 16/1020:40 -

1 stop34h 25m

Tue 20/1014:10 -

1 stop34h 40m

Deal found 15/9£761

Thu 1/1017:30 -

1 stop10h 05m

Tue 6/1014:10 -

1 stop34h 40m

Deal found 15/9£785

Sun 11/1020:40 -

1 stop34h 25m

Tue 20/1014:10 -

1 stop34h 40m

Deal found 13/9£801

Sun 11/1020:40 -

1 stop34h 25m

Thu 15/1014:10 -

1 stop34h 40m

Deal found 15/9£814

Find flight deals from Region of Waterloo Intl to Heathrow

Round-trip from	£681
One-way from	£224
Popular in	December
Cheapest in	February
Average price	£479

29/10-5/11
2 total stops
67h 45m total
Toronto to London

Search Deals

19/11-31/12
1 total stop
36h 50m total
Toronto to London

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£4 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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Fri 23/10

20:40-22:05

2 stops44h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£245

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Thu 5/11

19:00-12:50

1 stop36h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£255

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Thu 11/3

19:00-12:50

1 stop36h 50m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£259

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Fri 16/10

09:30-10:00

2 stops19h 30m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£260

Fastest return journey

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Fri 23/10

13:15-06:35

1 stop12h 20m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£265

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Mon 12/10

20:40-12:05

1 stop34h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£319

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Wed 14/10

20:40-12:05

1 stop34h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£328

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Mon 19/10

20:40-12:05

1 stop34h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£335

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Fri 16/10

20:40-12:05

1 stop34h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£337

TorontoLondon

YKF Toronto Region of Waterloo Intl - LHR London Heathrow

YKFLHR

Toronto Region of Waterloo Intl

Sun 11/10

20:40-12:05

1 stop34h 25m

London Heathrow

Wed 31/12

00:00-18:00

Nonstop0h 00m

£348

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 19 resultsSorted by cheapest first

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

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

YKF-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.

Related info for your journey

How long is the flight from Toronto Region of Waterloo Intl Airport to London Heathrow Airport?
Airlines like WestJet fly from Toronto Region of Waterloo Intl Airport to London Heathrow Airport in about 34h 25m. The time it takes to get you to your destination can typically vary by up to . There are 3583 mi between Toronto Region of Waterloo Intl Airport and London Heathrow Airport.
Can I find deals for flights from Region of Waterloo Intl to Heathrow that include hotel bookings?
Yes. In addition to deals on Region of Waterloo Intl to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Region of Waterloo Intl to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Region of Waterloo Intl to Heathrow.
Can I find deals for business class flights from Region of Waterloo Intl to Heathrow?
Yes. Cheapflights offers flight deals from Region of Waterloo Intl 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

Luton

Milton Keynes

Gatwick

Wembley

Slough

Ilford

Hayes

Northampton

Croydon

Colchester

Eastbourne

Brentford

Enfield

Southend-on-Sea

Barnet

Southall

Watford

Swindon

Kingston upon Thames

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 Region of Waterloo Intl to Heathrow

Pearson Intl to Heathrow flights

Pearson Intl to Gatwick flights

Pearson Intl to London City flights

Pearson Intl to Stansted flights

Toronto Island to Heathrow 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 Region of Waterloo Intl to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Region of Waterloo Intl 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 Region of Waterloo Intl 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 Region of Waterloo Intl.

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

Certainly. Search results for flights to Heathrow from Region of Waterloo Intl 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 Region of Waterloo Intl to Heathrow become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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 Region of Waterloo Intl Airport to London Heathrow Airport from £224

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Region of Waterloo Intl to Heathrow

Cheapest flights from Region of Waterloo Intl to HeathrowExplore the most affordable flight options available from Region of Waterloo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Explore the most affordable flight options available from Region of Waterloo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Region of Waterloo Intl to HeathrowDiscover carefully curated flight deals from Region of Waterloo Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Discover carefully curated flight deals from Region of Waterloo Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Region of Waterloo Intl to HeathrowDiscover last-minute flight deals from Region of Waterloo Intl to Heathrow. Data last updated 18 September 2026 and is based on user searches.

Discover last-minute flight deals from Region of Waterloo Intl to Heathrow. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Region of Waterloo Intl to HeathrowSearch for one-way flight options from Region of Waterloo Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Search for one-way flight options from Region of Waterloo Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.

Find flight deals from Region of Waterloo Intl 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 Region of Waterloo Intl Airport to London Heathrow Airport that are best for you.

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

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

Related info for your journey

How long is the flight from Toronto Region of Waterloo Intl Airport to London Heathrow Airport?

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

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

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

Find flights from Region of Waterloo Intl 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 18 September 2026.

Region of Waterloo Intl and Heathrow flights

Browse other Region of Waterloo Intl and Heathrow flight options. Last updated on 18 September 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 Region of Waterloo Intl to Heathrow?

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Region of Waterloo Intl to Heathrow
Explore the most affordable flight options available from Region of Waterloo Intl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2026.

Best flights from Region of Waterloo Intl to Heathrow
Discover carefully curated flight deals from Region of Waterloo Intl to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2026.

Last-minute flights from Region of Waterloo Intl to Heathrow
Discover last-minute flight deals from Region of Waterloo Intl to Heathrow. Data last updated 18 September 2026 and is based on user searches.

One-way flights from Region of Waterloo Intl to Heathrow
Search for one-way flight options from Region of Waterloo Intl to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 September 2026.