Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to London, ON from C$ 457

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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
12 Apr — 19 Apr1
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 13 March 2026.

Sun 26/46:00 a.m.
LHR
-
YXU
2 stops40h 04m
Air Canada
Sun 3/56:10 p.m.
YXU
-
LHR
2 stops31h 20m
Air Canada
Deal found 12/3C$ 993
Tue 9/66:00 a.m.
LHR
-
YXU
2 stops31h 53m
Air Canada
Thu 18/612:20 p.m.
YXU
-
LHR
2 stops13h 10m
Air Canada
Deal found 10/3C$ 1,023
Thu 23/47:25 a.m.
LHR
-
YXU
2 stops14h 39m
Lufthansa
Thu 30/45:40 p.m.
YXU
-
LHR
1 stop13h 10m
Lufthansa
Deal found 9/3C$ 1,030
Wed 22/47:25 a.m.
LHR
-
YXU
2 stops14h 39m
Lufthansa
Wed 29/45:40 p.m.
YXU
-
LHR
1 stop10h 55m
Lufthansa
Deal found 10/3C$ 1,038
Thu 23/46:00 a.m.
LHR
-
YXU
2 stops16h 04m
Air Canada
Thu 30/45:10 a.m.
YXU
-
LHR
2 stops20h 20m
Air Canada
Deal found 9/3C$ 1,039

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 13 March 2026.

Round-trip from

C$ 993

One-way from

C$ 457

Popular in

December

Cheapest in

February

Average price

C$ 1,084
Air Canada
  • Air Canada
  • 26/4-3/5
  • 4 total stops
  • 71h 24m total
  • London to London
Search Deals
25/4
  • 25/4
  • 3 total stops
  • 37h 30m total
  • London to London
Search Deals
Highest demand for flights based on searches. 46% potential increase in price (C$ 1,354 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease (C$ 152 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 13 March 2026.
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

Cheapest round-trip

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 21/4

8:45 a.m.-8:44 a.m.

2 stops28h 59m

London

Tue 28/4

5:40 p.m.-9:00 p.m.

2 stops22h 20m

C$ 1,069

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 26/4

6:00 a.m.-9:19 p.m.

2 stops20h 19m

London

Sun 3/5

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

2 stops31h 20m

C$ 1,086

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 27/4

2:10 p.m.-9:19 p.m.

1 stop12h 09m

London

Mon 4/5

12:20 p.m.-9:35 a.m.

1 stop16h 15m

C$ 1,101
Quickest round-trip

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 22/4

12:05 p.m.-5:04 p.m.

1 stop9h 59m

London

Wed 29/4

5:40 p.m.-9:35 a.m.

1 stop10h 55m

C$ 1,103

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 21/4

7:25 a.m.-5:04 p.m.

2 stops14h 39m

London

Tue 28/4

9:25 a.m.-10:00 a.m.

2 stops19h 35m

C$ 1,106

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 30/4

5:15 p.m.-9:38 p.m.

2 stops33h 23m

London

Mon 4/5

6:10 p.m.-9:00 p.m.

2 stops21h 50m

C$ 1,106

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 22/4

7:30 p.m.-5:04 p.m.

2 stops26h 34m

London

Wed 29/4

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

2 stops16h 05m

C$ 1,140
Cheapest one-way

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 25/4

9:10 p.m.-5:20 a.m.

2 stops37h 10m

C$ 480

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 10/6

6:15 a.m.-8:53 a.m.

2 stops31h 38m

C$ 726

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 10/4

2:10 p.m.-8:44 a.m.

2 stops23h 34m

C$ 771

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

Showing 1-10 of 12 resultsSorted by cheapest first
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, February is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of C$ 569). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of C$ 669). 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.

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 13 March 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
10,800 reviews
Check prices

Boarding

7.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Food

6.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

YXE - YYZ

We were over three hours delayed leaving Saskatoon and missed our connection to Montreal. We were then rerouted all the way to Zurich. We were over seven hours late getting to our final destination. Then our luggage was lost for lost for three days. All three flights were delayed and our trip was definitely impacted.
Air Canada
7.1
Good
10,800 reviews
Air Canada
7.1
Good
10,800 reviews
Check prices

Boarding

7.3

Comfort

7.1

Crew

7.8

Entertainment

6.8

Food

6.3

Overall

7.1

Reviews

1 / 20
2.0
Mediocre

Anonymous,Feb 2026

YXE - YYZ

We were over three hours delayed leaving Saskatoon and missed our connection to Montreal. We were then rerouted all the way to Zurich. We were over seven hours late getting to our final destination. Then our luggage was lost for lost for three days. All three flights were delayed and our trip was definitely impacted.

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 9h 59m. Fly via Air Canada or Lufthansa 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.

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

    According to our current data, Air Canada (C$ 1,000), offers the cheapest pricing from London Heathrow Airport to London, Ontario. Air Canada is currently priced 14% 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to London, Ontario (average of C$ 569). Flying from London Heathrow Airport to London, Ontario in December is currently the most expensive (average of C$ 669). 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

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.

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 13 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 1,000AverageC$ 1,164FlexibilityNo 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!

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.