How long is the flight from London Heathrow Airport to London, Ontario?

For as low as £514, WestJet can have you in London, Ontario from London Heathrow Airport in 15h 30m. The distance from London Heathrow Airport to London, Ontario is about 3631 mi. Both multi-stop and direct flights can be found to your destination and back.

What is the cheapest airline to fly from London Heathrow Airport to London, Ontario round-trip?

Our cheapest airline available from London Heathrow Airport to London, Ontario is Air Canada. Our recent data shows that you can find tickets from as low as £475 on this airline. Air Canada is currently priced 23% below the average price you’ll pay for this route.

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 inches per month. January is typically the wettest month, when rainfall can reach 100.0 mm. March is typically the driest time to visit London, Ontario when rainfall is around 70.0 mm.

If weather is an important factor for your trip to London, Ontario, 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 20.0 C. Travellers hoping to avoid the cold should look outside of February, when temperatures are typically at their lowest (around -6.0 C).

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

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 London, Ontario as you normally would.

What airport do you fly into for flights to London from London Heathrow?

London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from London Heathrow to London. 1 airline have flights to London from London Heathrow on a regular basis. Booking flights from London Heathrow to London should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

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

How can I find direct flights from Heathrow to London?

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

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

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

£383+ Flights from London Heathrow Airport to London, Ontario

Cheap flight deals from Heathrow to London

Enter your travel dates to find the best prices.

Best flights from Heathrow to London
Discover carefully curated flight deals from Heathrow to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.

Mon 26/114:50LHR - YXU

1 stop20h 44mWestJet

Mon 2/220:10YXU - LHR

1 stop35h 40mWestJet

Deal found 9/12£483

Mon 26/109:00LHR - YXU

2 stops26h 34mMultiple Airlines

Mon 2/220:10YXU - LHR

1 stop35h 40mMultiple Airlines

Deal found 9/12£510

Fri 23/106:35LHR - YXU

2 stops15h 30mLufthansa

Fri 30/117:40YXU - LHR

1 stop9h 50mLufthansa

Deal found 8/12£514

Thu 22/114:30LHR - YXU

2 stops21h 04mMultiple Airlines

Thu 29/120:10YXU - LHR

2 stops34h 40mMultiple Airlines

Deal found 8/12£516

Thu 22/120:15LHR - YXU

2 stops25h 50mLufthansa

Thu 29/109:50YXU - LHR

1 stop15h 40mLufthansa

Deal found 8/12£523

Last-minute flights from Heathrow to London
Discover last-minute flight deals from Heathrow to London. Data last updated 10 December 2025 and is based on user searches.

Tue 13/113:45LHR - YXU

2 stops48h 01mAir Canada

Tue 20/117:40YXU - LHR

2 stops34h 40mAir Canada

Deal found 9/12£531

Wed 21/114:30LHR - YXU

2 stops21h 04mMultiple Airlines

Wed 28/120:10YXU - LHR

2 stops34h 40mMultiple Airlines

Deal found 9/12£505

Thu 22/114:30LHR - YXU

2 stops21h 04mMultiple Airlines

Thu 29/120:10YXU - LHR

2 stops34h 40mMultiple Airlines

Deal found 8/12£516

Thu 22/120:15LHR - YXU

2 stops25h 50mLufthansa

Thu 29/109:50YXU - LHR

1 stop15h 40mLufthansa

Deal found 8/12£523

Fri 23/106:35LHR - YXU

2 stops15h 30mLufthansa

Fri 30/117:40YXU - LHR

1 stop9h 50mLufthansa

Deal found 8/12£514

Mon 26/114:50LHR - YXU

1 stop20h 44mWestJet

Mon 2/220:10YXU - LHR

1 stop35h 40mWestJet

Deal found 9/12£483

Mon 26/109:00LHR - YXU

2 stops26h 34mMultiple Airlines

Mon 2/220:10YXU - LHR

1 stop35h 40mMultiple Airlines

Deal found 9/12£510

One-way flights from Heathrow to London
Search for one-way flight options from Heathrow to London. Find affordable one-way fares based on user searches. Data last updated 10 December 2025.

Fri 23/114:50LHR - YXU

3 stops22h 56mMultiple Airlines

Deal found 8/12£383

Thu 22/106:00LHR - YXU

3 stops29h 34mMultiple Airlines

Deal found 8/12£413

Fri 26/1206:00LHR - YXU

2 stops16h 05mMultiple Airlines

Deal found 8/12£710

Fri 23/111:10LHR - YXU

1 stop15h 10mLufthansa

Deal found 8/12£1,146

Find flight deals from Heathrow to London

Round-trip from	£483
One-way from	£383
Popular in	December
Cheapest in	January
Average price	£1,193

WestJet
26/1-2/2
2 total stops
56h 24m total
London to London

Search Deals

23/1
3 total stops
22h 56m total
London to London

Search Deals

Highest demand for flights based on searches. 25% potential increase in price (£158 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 10% potential price decrease (£44 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 26/1

14:50-06:34

1 stop20h 44m

London

Mon 2/2

20:10-12:50

1 stop35h 40m

£483

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 26/1

09:00-06:34

2 stops26h 34m

London

Mon 2/2

20:10-12:50

1 stop35h 40m

£510

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 23/1

06:35-17:05

2 stops15h 30m

London

Fri 30/1

17:40-08:30

1 stop9h 50m

£514

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 22/1

14:30-06:34

2 stops21h 04m

London

Thu 29/1

20:10-11:50

2 stops34h 40m

£516

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 22/1

20:15-17:05

2 stops25h 50m

London

Thu 29/1

09:50-06:30

1 stop15h 40m

£523

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 23/1

14:50-08:46

3 stops22h 56m

£383

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 22/1

06:00-06:34

3 stops29h 34m

£413

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 26/12

06:00-17:05

2 stops16h 05m

£710

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 23/1

11:10-21:20

1 stop15h 10m

£1,146

Flights are sorted by cheapest return flights first.

Deals found on 8/12

Best time to book a flight from Heathrow to London

Have a flexible travel schedule? Discover the best time to fly to London from Heathrow 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 London Heathrow Airport to London

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of £306). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of £376). 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.

Reviews of airlines servicing London

See what other customers who have flown with Air Canada from London Heathrow Airport to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

10,515 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Air Canada

7.1

Good

10,515 reviews

Air Canada

7.1

Good

10,515 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Shawna,Sept 2025

DCA - YYZ

Business class cabin was *freezing*. Landing was so hard it injured my back - no apology or explanation given

Related info for your journey

What airport do you fly into for flights to London from London Heathrow?
London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from London Heathrow to London. 1 airline have flights to London from London Heathrow on a regular basis. Booking flights from London Heathrow to London should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.
How long is the flight from London Heathrow Airport to London, Ontario?
For as low as £514, WestJet can have you in London, Ontario from London Heathrow Airport in 15h 30m. The distance from London Heathrow Airport to London, Ontario is about 3631 mi. Both multi-stop and direct flights can be found to your destination and back.
What is the cheapest airline to fly from London Heathrow Airport to London, Ontario round-trip?
Our cheapest airline available from London Heathrow Airport to London, Ontario is Air Canada. Our recent data shows that you can find tickets from as low as £475 on this airline. Air Canada is currently priced 23% below the average price you’ll pay for this route.
Can I find deals for flights from Heathrow to London that include hotel bookings?
Yes. In addition to deals on Heathrow to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to London.
Can I find deals for business class flights from Heathrow to London?
Yes. Cheapflights offers flight deals from Heathrow to London 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 London Heathrow Airport to London, Ontario?
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of £306). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of £376). 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

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Alternative routes for Heathrow to London

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London City to Pierre Elliott Trudeau Intl flights

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Stansted to London flights

Heathrow to North Bay flights

London City to Thunder Bay flights

Gatwick to Thunder Bay flights

Top airline flying from Heathrow to London

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£475	Average£633	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to London?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Heathrow today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to London 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 Heathrow to London with no change fees?

Yes! Cheapflights helps users easily find flights from Heathrow to London with no change fees.

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

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

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Cheap flights from London Heathrow Airport to London, Ontario from £383

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to London

Best flights from Heathrow to LondonDiscover carefully curated flight deals from Heathrow to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.

Discover carefully curated flight deals from Heathrow to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.

Find flight deals from Heathrow to London

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 London Heathrow Airport to London that are best for you.

Best time to book a flight from Heathrow to London

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

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to London

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

Reviews of airlines servicing London

See what other customers who have flown with Air Canada from London Heathrow Airport to London have to say. You can also see how each airline compares 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 Heathrow to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to London from London Heathrow?

How long is the flight from London Heathrow Airport to London, Ontario?

What is the cheapest airline to fly from London Heathrow Airport to London, Ontario round-trip?

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

How can I find direct flights from Heathrow to London?

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

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

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 London

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

Top airline flying from Heathrow to London

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to London?

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

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

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

100% Free

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Travel Smart

Best flights from Heathrow to London
Discover carefully curated flight deals from Heathrow to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 December 2025.