Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to London, ON from C$ 822

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 1,023

One-way from

C$ 822

Popular in

November

Cheapest in

January

Average price

C$ 977
Lufthansa
  • Lufthansa
  • 15/10-22/10
  • 3 total stops
  • 51h 17m total
  • London to London
Search Deals
5/10
  • 5/10
  • 2 total stops
  • 24h 07m total
  • London to London
Search Deals
Highest demand for flights based on searches. 36% potential increase in price (C$ 1,066 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 16% potential price decrease (C$ 270 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 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 11 September 2025.

Wed 15/108:05 p.m.LHR - YXU
2 stops30h 22mMultiple Airlines
Wed 22/103:40 p.m.YXU - LHR
1 stop9h 55mMultiple Airlines
Deal found 10/9C$ 1,023
Wed 15/108:40 a.m.LHR - YXU
2 stops17h 47mAir Canada
Wed 22/109:55 a.m.YXU - LHR
2 stops15h 35mAir Canada
Deal found 10/9C$ 1,027
Wed 22/108:40 a.m.LHR - YXU
2 stops29h 37mAir Canada
Wed 29/109:25 a.m.YXU - LHR
2 stops31h 10mAir Canada
Deal found 9/9C$ 1,028
Wed 8/106:00 a.m.LHR - YXU
2 stops20h 27mAir Canada
Wed 15/103:40 p.m.YXU - LHR
2 stops11h 55mAir Canada
Deal found 10/9C$ 1,035
Thu 25/96:50 a.m.LHR - YXU
2 stops13h 27mAir Canada
Wed 1/103:40 p.m.YXU - LHR
2 stops24h 20mAir Canada
Deal found 10/9C$ 1,038
Tue 7/107:30 p.m.LHR - YXU
2 stops30h 57mAir Canada
Tue 14/103:40 p.m.YXU - LHR
2 stops24h 20mAir Canada
Deal found 9/9C$ 1,042

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 11 September 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

Wed 15/10

8:40 a.m.-9:27 p.m.

2 stops17h 47m

London

Wed 22/10

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

2 stops15h 35m

C$ 1,027

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 8/10

6:00 a.m.-9:27 p.m.

2 stops20h 27m

London

Wed 15/10

3:40 p.m.-8:35 a.m.

2 stops11h 55m

C$ 1,035

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 22/10

8:40 a.m.-3:02 p.m.

2 stops35h 22m

London

Wed 29/10

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

1 stop21h 55m

C$ 1,037

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 7/10

7:30 p.m.-9:27 p.m.

2 stops30h 57m

London

Tue 14/10

3:40 p.m.-6:35 a.m.

1 stop9h 55m

C$ 1,042

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 26/2

1:45 p.m.-9:21 p.m.

2 stops36h 36m

London

Mon 2/3

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

2 stops16h 45m

C$ 1,067

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 5/10

2:10 p.m.-9:17 a.m.

2 stops24h 07m

C$ 822

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 26/10

2:50 p.m.-7:12 p.m.

1 stop32h 22m

C$ 833

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 26/10

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

2 stops21h 56m

C$ 862

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 24/10

2:10 p.m.-7:07 p.m.

1 stop33h 57m

C$ 865

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 24/10

4:00 p.m.-9:27 p.m.

1 stop10h 27m

C$ 944

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 11 results
1
2

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.

How much does it cost to fly round-trip from London Heathrow Airport to London, Ontario?

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 17h 47m. Fly via Air Canada to get the fastest option. The distance from London Heathrow Airport to London, Ontario is about 5844 km.

  • 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

Travelling to a place near London?

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

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.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
London City to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Luton to Pearson Intl flights
Stansted to Pearson Intl flights
London City to Pierre Elliott Trudeau Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Stansted to Pierre Elliott Trudeau Intl flights
Southend to Pearson Intl flights
Gatwick to Ottawa flights
Southend to Pierre Elliott Trudeau Intl flights
Heathrow to Hamilton flights
Stansted to Ottawa flights
Heathrow to Windsor flights
Gatwick to Hamilton flights
Heathrow to Thunder Bay flights
Gatwick to Region of Waterloo Intl 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!

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.