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Cheap flights from London Heathrow Airport to London, ON from C$ 508

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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
25 feb. — 4 mar.1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to London

Enter your travel dates to find the best prices.

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 26 enero 2026.

mié. 11/39:00 a.m.
LHR
-
YXU
2 stops16h 21m
Air Canada
mié. 18/39:25 a.m.
YXU
-
LHR
1 stop21h 55m
Air Canada
Deal found 25/1C$ 744
jue. 12/39:00 a.m.
LHR
-
YXU
2 stops27h 46m
Air Canada
jue. 19/35:10 a.m.
YXU
-
LHR
1 stop21h 20m
Air Canada
Deal found 26/1C$ 772
lun. 9/39:00 a.m.
LHR
-
YXU
2 stops16h 21m
Multiple Airlines
lun. 16/35:40 p.m.
YXU
-
LHR
2 stops17h 05m
Multiple Airlines
Deal found 26/1C$ 774

Find flight deals from Heathrow to London

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to London (YXU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 enero 2026.

Round-trip from

C$ 744

One-way from

C$ 508

Popular in

December

Cheapest in

February

Average price

C$ 1,026
Air Canada
  • Air Canada
  • 11/3-18/3
  • 3 total stops
  • 38h 16m total
  • London to London
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WestJet
  • WestJet
  • 11/3
  • 1 total stop
  • 19h 45m total
  • London to London
Search Deals
Highest demand for flights based on searches. 27% potential increase in price (C$ 597 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (C$ 140 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Heathrow to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 enero 2026.
Use the filters below to find and compare flights from London Heathrow Airport to London that are best for you.

Fly from

Heathrow

Fly to

London

Route

Depart

Return

Price

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

mié. 11/3

9:00 a.m.-9:21 p.m.

2 stops16h 21m

London

mié. 18/3

9:25 a.m.-11:20 a.m.

1 stop21h 55m

C$ 744

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

jue. 12/3

9:00 a.m.-8:46 a.m.

2 stops27h 46m

London

jue. 19/3

5:10 a.m.-6:30 a.m.

1 stop21h 20m

C$ 772

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

lun. 9/3

9:00 a.m.-9:21 p.m.

2 stops16h 21m

London

lun. 16/3

5:40 p.m.-8:30 a.m.

1 stop10h 50m

C$ 774

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

jue. 12/3

7:25 p.m.-5:05 p.m.

2 stops25h 40m

London

jue. 19/3

5:40 p.m.-3:50 p.m.

2 stops18h 10m

C$ 783

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

lun. 9/3

7:25 p.m.-5:05 p.m.

2 stops25h 40m

London

lun. 16/3

5:40 p.m.-2:45 p.m.

2 stops17h 05m

C$ 786

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

mié. 11/3

2:50 p.m.-6:35 a.m.

1 stop19h 45m

C$ 508

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

jue. 12/3

2:50 p.m.-6:35 a.m.

1 stop19h 45m

C$ 726

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

mié. 11/3

2:50 p.m.-8:46 a.m.

3 stops21h 56m

C$ 768

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

mié. 11/3

1:00 p.m.-9:21 p.m.

1 stop12h 21m

C$ 2,085

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

mié. 11/3

9:10 a.m.-8:46 a.m.

2 stops27h 36m

C$ 2,219

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/1

Showing 1-10 of 11 results
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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, March is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of C$ 559). Flying from London Heathrow Airport to London, Ontario in August is currently the most expensive (average of C$ 670). 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.

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?

    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 1 airline. London is conveniently located just 8.6 km from London’s city centre.

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

    There are many flights that can get you from London Heathrow Airport to London, Ontario in 16h 21m. Fly via Air Canada to get the fastest option. The distance from London Heathrow Airport to London, Ontario is about 5844 km.

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

    According to our current data, Air Canada (C$ 1,007), offers the cheapest pricing from London Heathrow Airport to London, Ontario. Air Canada is currently priced 13% 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 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of C$ 559). Flying from London Heathrow Airport to London, Ontario in August is currently the most expensive (average of C$ 670). 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

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Port Stanley
Grand Bend

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Alternative routes for Heathrow to London

See prices for flight routes from nearby airports that may be better suited for you.
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Gatwick to Pearson Intl flights
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London City to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Southend to Pearson Intl flights
Southend to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Gatwick to Ottawa flights
Stansted to Ottawa flights
Heathrow to Windsor flights
Heathrow to Hamilton flights
Gatwick to Hamilton flights
Heathrow to Thunder Bay flights
Gatwick to Region of Waterloo Intl flights

Top airline flying from Heathrow to London

Discover the top airline that operate flights from Heathrow to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 enero 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,007AverageC$ 1,172FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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?

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!

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