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Cheap flights from London Heathrow Airport to London, Ontario from £440

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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 9 January 2026.

Round-trip from

£440

Popular in

December

Cheapest in

April

Average price

£557
Lufthansa
  • Lufthansa
  • 20/2-27/2
  • 3 total stops
  • 27h 05m total
  • London to London
Search Deals
Highest demand for flights based on searches. 28% potential increase in price (£182 potential increase over avg. return price).
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Cheapest flight prices on average. 9% potential price decrease (£42 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 9 January 2026.

Fri 20/206:35LHR - YXU
2 stops15h 30mLufthansa
Fri 27/209:25YXU - LHR
1 stop18h 05mLufthansa
Deal found 6/1£440
Sat 21/206:30LHR - YXU
2 stops15h 35mLufthansa
Sat 28/217:40YXU - LHR
1 stop12h 40mLufthansa
Deal found 7/1£449
Fri 20/207:40LHR - YXU
2 stops14h 25mMultiple Airlines
Fri 27/209:25YXU - LHR
2 stops22h 35mMultiple Airlines
Deal found 6/1£453
Sat 21/206:30LHR - YXU
2 stops19h 51mMultiple Airlines
Sat 28/217:40YXU - LHR
2 stops16h 05mMultiple Airlines
Deal found 7/1£457
Wed 4/209:00LHR - YXU
2 stops17h 20mMultiple Airlines
Wed 11/209:25YXU - LHR
2 stops18h 55mMultiple Airlines
Deal found 7/1£459
Sun 22/220:15LHR - YXU
2 stops25h 50mMultiple Airlines
Sun 1/317:40YXU - LHR
1 stop12h 40mMultiple Airlines
Deal found 8/1£460
Thu 22/109:00LHR - YXU
2 stops28h 46mAir Canada
Sun 25/117:40YXU - LHR
1 stop31h 50mAir Canada
Deal found 8/1£460

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 9 January 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

Fri 20/2

06:35-17:05

2 stops15h 30m

London

Fri 27/2

09:25-08:30

1 stop18h 05m

£440

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 21/2

06:30-17:05

2 stops15h 35m

London

Sat 28/2

17:40-08:30

1 stop9h 50m

£443

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 20/2

07:40-17:05

2 stops14h 25m

London

Fri 27/2

17:40-11:20

1 stop12h 40m

£458

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 22/2

20:15-17:05

2 stops25h 50m

London

Sun 1/3

17:40-11:20

1 stop12h 40m

£460

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 5/2

13:45-08:46

2 stops48h 01m

London

Thu 12/2

05:10-06:30

1 stop20h 20m

£460

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 11/2

09:00-08:46

2 stops28h 46m

London

Sun 15/2

05:10-11:20

1 stop25h 10m

£465

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 22/2

22:15-06:35

3 stops37h 20m

£467

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 20/2

06:00-08:46

3 stops31h 46m

£521

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 21/2

20:45-17:05

2 stops25h 20m

£569

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 20/2

09:00-08:46

2 stops28h 46m

£1,166

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 12 results
1
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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 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 £303). Flying from London Heathrow Airport to London, Ontario in August is currently the most expensive (average of £364). 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 for a return flight from London Heathrow Airport to London, Ontario?

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 9 January 2026.
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
10,603 reviews
Check prices

Overall

7.1

Comfort

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Boarding

7.3

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
10,603 reviews
Air Canada
7.1
Good
10,603 reviews
Check prices

Overall

7.1

Comfort

7.1

Entertainment

6.8

Crew

7.8

Food

6.3

Boarding

7.3

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

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?

    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 £440, Lufthansa 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.

  • 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 £470 on this airline. Air Canada is currently priced 24% 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 £303). Flying from London Heathrow Airport to London, Ontario in August is currently the most expensive (average of £364). 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

Browse thousands of different options on Cheapflights for your next trip

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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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London City to Ottawa flights
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Stansted to London flights
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London City 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 858,174 searches. Data last updated 9 January 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£470Average£624FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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?

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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