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Cheap flights from London Heathrow Airport to London, ON from C$ 753

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 27 October 2025.

Mon 8/126:35 a.m.LHR - YXU
2 stops15h 30mLufthansa
Mon 15/125:40 p.m.YXU - LHR
1 stop31h 50mLufthansa
Deal found 25/10C$ 1,001
Thu 4/127:40 a.m.LHR - YXU
2 stops14h 25mLufthansa
Mon 8/125:40 p.m.YXU - LHR
1 stop9h 50mLufthansa
Deal found 27/10C$ 1,002
Fri 28/117:30 a.m.LHR - YXU
2 stops18h 51mLufthansa
Fri 5/129:25 a.m.YXU - LHR
1 stop16h 05mLufthansa
Deal found 25/10C$ 1,003
Mon 24/117:40 a.m.LHR - YXU
2 stops18h 41mLufthansa
Mon 1/125:40 p.m.YXU - LHR
1 stop9h 50mLufthansa
Deal found 27/10C$ 1,005
Mon 8/129:00 a.m.LHR - YXU
2 stops17h 21mAir Canada
Mon 15/129:25 a.m.YXU - LHR
2 stops16h 45mAir Canada
Deal found 25/10C$ 1,012
Sat 22/116:30 a.m.LHR - YXU
2 stops15h 35mLufthansa
Sat 29/115:40 p.m.YXU - LHR
1 stop9h 50mLufthansa
Deal found 25/10C$ 1,027
Fri 28/119:00 a.m.LHR - YXU
2 stops17h 21mAir Canada
Fri 5/129:25 a.m.YXU - LHR
2 stops16h 45mAir Canada
Deal found 25/10C$ 1,029
Sat 22/116:00 a.m.LHR - YXU
2 stops20h 21mAir Canada
Sat 29/119:25 a.m.YXU - LHR
2 stops16h 45mAir Canada
Deal found 25/10C$ 1,033
Sat 22/116:00 a.m.LHR - YXU
2 stops20h 21mMultiple Airlines
Sat 29/115:40 p.m.YXU - LHR
2 stops21h 55mMultiple Airlines
Deal found 25/10C$ 1,041
Mon 24/111:00 p.m.LHR - YXU
1 stop13h 21mAir Canada
Mon 1/125:10 a.m.YXU - LHR
1 stop20h 20mAir Canada
Deal found 27/10C$ 1,044
Thu 4/1211:10 a.m.LHR - YXU
1 stop10h 55mAir Canada
Mon 8/125:40 p.m.YXU - LHR
1 stop9h 50mAir Canada
Deal found 27/10C$ 1,057

Cheap 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 27 October 2025.

Round-trip from

C$ 1,001

One-way from

C$ 753

Popular in

December

Cheapest in

January

Average price

C$ 1,110
Lufthansa
  • Lufthansa
  • 24/11-1/12
  • 3 total stops
  • 30h 30m total
  • London to London
Search Deals
9/12
  • 9/12
  • 3 total stops
  • 52h 22m total
  • London to London
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (C$ 409 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 120 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 27 October 2025.
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

Mon 8/12

6:35 a.m.-5:05 p.m.

2 stops15h 30m

London

Mon 15/12

5:40 p.m.-6:30 a.m.

1 stop31h 50m

C$ 1,001

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/12

7:40 a.m.-5:05 p.m.

2 stops14h 25m

London

Mon 8/12

5:40 p.m.-11:20 a.m.

1 stop12h 40m

C$ 1,003

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 28/11

7:30 a.m.-9:21 p.m.

2 stops18h 51m

London

Fri 5/12

9:25 a.m.-6:30 a.m.

1 stop16h 05m

C$ 1,003

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 8/12

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

2 stops17h 21m

London

Mon 15/12

9:25 a.m.-7:10 a.m.

2 stops16h 45m

C$ 1,012

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 22/11

6:30 a.m.-5:05 p.m.

2 stops15h 35m

London

Sat 29/11

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

1 stop9h 50m

C$ 1,027

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 28/11

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

2 stops17h 21m

London

Fri 5/12

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

1 stop20h 20m

C$ 1,029

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 22/11

6:00 a.m.-9:21 p.m.

2 stops20h 21m

London

Sat 29/11

9:25 a.m.-7:10 a.m.

2 stops16h 45m

C$ 1,033

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 22/11

6:00 a.m.-9:21 p.m.

2 stops20h 21m

London

Sat 29/11

5:40 p.m.-8:35 p.m.

2 stops21h 55m

C$ 1,041

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 24/11

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

1 stop13h 21m

London

Mon 1/12

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

1 stop20h 20m

C$ 1,044

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 4/12

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

2 stops28h 46m

London

Mon 8/12

9:25 a.m.-7:10 a.m.

2 stops16h 45m

C$ 1,059

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

Showing 1-10 of 17 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$ 571). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of C$ 700). 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 0 airlines. 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 15h 30m. Fly via Lufthansa or Air Canada to get the fastest option. The distance from London Heathrow Airport to London, Ontario is about 5844 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 571). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of C$ 700). 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 Hamilton flights
Gatwick to Region of Waterloo Intl flights

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

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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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