What are the cheapest airlines flying from London Heathrow Airport to London, Ontario round-trip?

According to our current data, Air Canada (C$ 1,068), United Airlines (C$ 1,263), and SWISS (C$ 1,285) offers the cheapest pricing from London Heathrow Airport to London, Ontario. Air Canada is currently priced 19% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from London Heathrow Airport to London, Ontario one-way?

The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 1,529. However, be on the lookout for offers from Lufthansa and SWISS, as they are both options that can get you from London Heathrow Airport to London, Ontario for a low price.

What is the cheapest month to fly from London Heathrow Airport to London, Ontario?

Flights from London Heathrow Airport to London, Ontario lean towards being more expensive in December. Prices are generally better when you fly from London Heathrow Airport to London, Ontario in March, with the cheapest ticket starting at C$ 782.

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?

Most people fly into London (YXU) if they book a flight to London from London Heathrow. On average, London has 0 inbound flights from London Heathrow per day from 0 airlines. London is conveniently located just 8.6 km from London’s city centre.

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 vacation 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.

C$ 736+ Flights from London Heathrow Airport to London, ON

Cheap flight deals from Heathrow to London

Round-trip from	C$ 1,068
One-way from	C$ 736
Popular in	November
Cheapest in	January
Average price	C$ 978

Air Canada
2/7-15/7
4 total stops
28h 12m total
London to London

Search Deals

25/7
3 total stops
51h 59m total
London to London

Search Deals

Highest demand for flights based on searches. 36% potential increase in price (C$ 1,052 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 16% potential price decrease (C$ 262 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Heathrow to London

Cheapest flights from Heathrow to London
Explore the most affordable flight options available from Heathrow to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Wed 2/79:30 a.m.LHR - YXU

2 stops12h 37mAir Canada

Tue 15/79:55 a.m.YXU - LHR

2 stops15h 35mAir Canada

Deal found 12/6C$ 1,068

Wed 2/78:30 a.m.LHR - YXU

1 stop13h 37mMultiple Airlines

Tue 15/75:45 p.m.YXU - LHR

1 stop9h 50mMultiple Airlines

Deal found 12/6C$ 1,084

Tue 8/78:00 a.m.LHR - YXU

2 stops18h 27mUnited Airlines

Tue 15/79:55 a.m.YXU - LHR

2 stops15h 50mUnited Airlines

Deal found 10/6C$ 1,263

Wed 2/77:15 p.m.LHR - YXU

3 stops26h 52mSWISS

Tue 15/75:45 p.m.YXU - LHR

3 stops17h 50mSWISS

Deal found 12/6C$ 1,285

Tue 8/79:00 a.m.LHR - YXU

2 stops25h 14mWestJet

Tue 15/76:00 a.m.YXU - LHR

1 stop25h 05mWestJet

Deal found 10/6C$ 2,517

Best flights from Heathrow to London
Discover carefully curated flight deals from Heathrow to London that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 12 June 2025.

Wed 2/79:30 a.m.LHR - YXU

2 stops12h 37mAir Canada

Tue 15/79:55 a.m.YXU - LHR

2 stops15h 35mAir Canada

Deal found 12/6C$ 1,068

Wed 2/78:30 a.m.LHR - YXU

1 stop13h 37mMultiple Airlines

Tue 15/75:45 p.m.YXU - LHR

1 stop9h 50mMultiple Airlines

Deal found 12/6C$ 1,084

Tue 8/78:00 a.m.LHR - YXU

2 stops18h 27mUnited Airlines

Tue 15/79:55 a.m.YXU - LHR

2 stops15h 50mUnited Airlines

Deal found 10/6C$ 1,263

Wed 2/77:15 p.m.LHR - YXU

3 stops26h 52mSWISS

Tue 15/75:45 p.m.YXU - LHR

3 stops17h 50mSWISS

Deal found 12/6C$ 1,285

Tue 8/79:00 a.m.LHR - YXU

2 stops25h 14mWestJet

Tue 15/76:00 a.m.YXU - LHR

1 stop25h 05mWestJet

Deal found 10/6C$ 2,517

Last-minute flights from Heathrow to London
Discover last-minute flight deals from Heathrow to London. Data last updated 12 June 2025 and is based on user searches.

Wed 2/79:30 a.m.LHR - YXU

2 stops12h 37mAir Canada

Tue 15/79:55 a.m.YXU - LHR

2 stops15h 35mAir Canada

Deal found 12/6C$ 1,068

Wed 2/78:30 a.m.LHR - YXU

1 stop13h 37mMultiple Airlines

Tue 15/75:45 p.m.YXU - LHR

1 stop9h 50mMultiple Airlines

Deal found 12/6C$ 1,084

Wed 2/77:15 p.m.LHR - YXU

3 stops26h 52mSWISS

Tue 15/75:45 p.m.YXU - LHR

3 stops17h 50mSWISS

Deal found 12/6C$ 1,285

Tue 8/78:00 a.m.LHR - YXU

2 stops18h 27mUnited Airlines

Tue 15/79:55 a.m.YXU - LHR

2 stops15h 50mUnited Airlines

Deal found 10/6C$ 1,263

Tue 8/79:00 a.m.LHR - YXU

2 stops25h 14mWestJet

Tue 15/76:00 a.m.YXU - LHR

1 stop25h 05mWestJet

Deal found 10/6C$ 2,517

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 12 June 2025.

Fri 25/76:15 a.m.LHR - YXU

3 stops51h 59mMultiple Airlines

Deal found 12/6C$ 736

Sat 26/72:10 p.m.LHR - YXU

1 stop20h 04mWestJet

Deal found 11/6C$ 1,529

Fri 25/712:05 p.m.LHR - YXU

1 stop10h 02mLufthansa

Deal found 11/6C$ 1,675

Sat 26/75:10 p.m.LHR - YXU

2 stops28h 57mSWISS

Deal found 11/6C$ 2,607

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

Wed 2/7

9:30 a.m.-5:07 p.m.

2 stops12h 37m

London

Tue 15/7

9:55 a.m.-6:30 a.m.

2 stops15h 35m

C$ 1,068

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 2/7

8:30 a.m.-5:07 p.m.

1 stop13h 37m

London

Tue 15/7

5:45 p.m.-8:35 a.m.

1 stop9h 50m

C$ 1,084

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 8/7

8:00 a.m.-9:27 p.m.

2 stops18h 27m

London

Tue 15/7

9:55 a.m.-6:45 a.m.

2 stops15h 50m

C$ 1,263

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 2/7

7:15 p.m.-5:07 p.m.

3 stops26h 52m

London

Tue 15/7

5:45 p.m.-4:35 p.m.

3 stops17h 50m

C$ 1,285

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 8/7

9:00 a.m.-5:14 a.m.

2 stops25h 14m

London

Tue 15/7

6:00 a.m.-12:05 p.m.

1 stop25h 05m

C$ 2,517

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 25/7

6:15 a.m.-5:14 a.m.

3 stops51h 59m

C$ 736

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 26/7

2:10 p.m.-5:14 a.m.

1 stop20h 04m

C$ 1,529

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 25/7

12:05 p.m.-5:07 p.m.

1 stop10h 02m

C$ 1,675

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 26/7

5:10 p.m.-5:07 p.m.

2 stops28h 57m

C$ 2,607

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 round-trip 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of C$ 243). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of C$ 478). 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.

Rainfall in London by month

In terms of precipitation, rainfall in London, Ontario ranges from 70.0 - 100.0 mm 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.

Temperature in London by month

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).

Reviews of airlines servicing London

SWISS

7.5

Good

1,623 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

SWISS

7.5

Good

1,623 reviews

SWISS

7.5

Good

1,623 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

United Airlines

7.4

Good

8,790 reviews

SWISS

7.5

Good

1,623 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

WestJet

7.2

Good

2,868 reviews

SWISS

7.5

Good

1,623 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Air Canada

7.1

Good

9,531 reviews

SWISS

7.5

Good

1,623 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Lufthansa

6.8

Okay

7,136 reviews

SWISS

7.5

Good

1,623 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Related info for your journey

What airport do you fly into for flights to London from London Heathrow?
Most people fly into London (YXU) if they book a flight to London from London Heathrow. On average, London has 0 inbound flights from London Heathrow per day from 0 airlines. London is conveniently located just 8.6 km from London’s city centre.
What are the cheapest airlines flying from London Heathrow Airport to London, Ontario round-trip?
According to our current data, Air Canada (C$ 1,068), United Airlines (C$ 1,263), and SWISS (C$ 1,285) offers the cheapest pricing from London Heathrow Airport to London, Ontario. Air Canada is currently priced 19% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from London Heathrow Airport to London, Ontario one-way?
The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 1,529. However, be on the lookout for offers from Lufthansa and SWISS, as they are both options that can get you from London Heathrow Airport to London, Ontario for a low price.
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 vacation 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of C$ 243). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of C$ 478). 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

Grand Bend

Port Stanley

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to London

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?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to London for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to London from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Heathrow to London 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 London Heathrow Airport to London, ON from C$ 736

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 25/7. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to London

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Heathrow to London

Cheapest flights from Heathrow to LondonExplore the most affordable flight options available from Heathrow to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

Explore the most affordable flight options available from Heathrow to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.

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?

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 12 June 2025.

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?

What are the cheapest airlines flying from London Heathrow Airport to London, Ontario round-trip?

What are the cheapest airlines to fly from London Heathrow Airport to London, Ontario one-way?

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?

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 Heathrow to London

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

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to London
Explore the most affordable flight options available from Heathrow to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 June 2025.