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Cheap flights from London Heathrow Airport to London, ON from C$ 693

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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
24 Aug — 31 Aug1
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 25 July 2026.

Mon 14/96:50 a.m.
LHR
-
YXU
2 stops15h 53m
Air Canada
Wed 30/93:30 p.m.
YXU
-
LHR
1 stop10h 05m
Air Canada
Deal found 22/7C$ 893
Mon 14/96:50 a.m.
LHR
-
YXU
2 stops13h 00m
Multiple Airlines
Wed 30/95:40 a.m.
YXU
-
LHR
1 stop19h 55m
Multiple Airlines
Deal found 22/7C$ 931
Tue 15/97:25 a.m.
LHR
-
YXU
2 stops15h 18m
Multiple Airlines
Sat 26/95:40 a.m.
YXU
-
LHR
1 stop25h 10m
Multiple Airlines
Deal found 25/7C$ 937
Fri 28/86:00 a.m.
LHR
-
YXU
2 stops16h 42m
Multiple Airlines
Tue 1/96:20 p.m.
YXU
-
LHR
1 stop31h 15m
Multiple Airlines
Deal found 23/7C$ 938
Tue 15/98:45 a.m.
LHR
-
YXU
2 stops17h 55m
Air Canada
Sat 26/910:05 a.m.
YXU
-
LHR
2 stops17h 30m
Air Canada
Deal found 21/7C$ 939
Thu 3/96:50 a.m.
LHR
-
YXU
2 stops13h 00m
Air Canada
Thu 10/910:05 a.m.
YXU
-
LHR
2 stops15h 25m
Air Canada
Deal found 22/7C$ 944
Thu 3/96:50 a.m.
LHR
-
YXU
2 stops13h 00m
Multiple Airlines
Thu 10/93:30 p.m.
YXU
-
LHR
1 stop12h 05m
Multiple Airlines
Deal found 23/7C$ 945
Mon 14/97:25 a.m.
LHR
-
YXU
2 stops15h 18m
Lufthansa
Wed 30/96:20 p.m.
YXU
-
LHR
1 stop10h 15m
Lufthansa
Deal found 24/7C$ 946

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 25 July 2026.

Round-trip from

C$ 893

One-way from

C$ 693

Popular in

December

Cheapest in

February

Average price

C$ 1,314
Air Canada
  • Air Canada
  • 14/9-30/9
  • 3 total stops
  • 25h 58m total
  • London to London
Search Deals
Air Canada
  • Air Canada
  • 7/10
  • 2 total stops
  • 18h 00m total
  • London to London
Search Deals
Highest demand for flights based on searches. 41% potential increase in price (C$ 1,292 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (C$ 145 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 25 July 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 15/9

7:25 a.m.-5:43 p.m.

2 stops15h 18m

London

Sat 26/9

5:40 a.m.-11:50 a.m.

1 stop25h 10m

C$ 937

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 3/9

6:50 a.m.-5:42 p.m.

2 stops15h 52m

London

Thu 10/9

3:30 p.m.-6:35 a.m.

1 stop10h 05m

C$ 944

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 14/9

12:05 p.m.-5:43 p.m.

1 stop10h 38m

London

Wed 30/9

10:05 a.m.-11:50 a.m.

1 stop20h 45m

C$ 966
Quickest round-trip

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 6/9

8:30 a.m.-2:50 p.m.

1 stop11h 20m

London

Sun 13/9

3:30 p.m.-6:35 a.m.

1 stop10h 05m

C$ 972

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 28/8

12:40 p.m.-9:40 p.m.

2 stops14h 00m

London

Tue 1/9

3:30 p.m.-10:00 a.m.

2 stops13h 30m

C$ 993

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 3/9

8:30 a.m.-5:42 p.m.

1 stop14h 12m

London

Thu 10/9

6:20 p.m.-11:50 a.m.

1 stop12h 30m

C$ 1,008
Cheapest one-way
Quickest one-way

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Wed 7/10

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

2 stops18h 00m

C$ 693

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 14/9

7:25 a.m.-9:40 p.m.

2 stops19h 15m

C$ 744

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 4/9

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

1 stop29h 05m

C$ 763

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 14/9

2:10 p.m.-2:50 p.m.

1 stop29h 40m

C$ 765

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/7

Showing 1-10 of 16 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

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

Airfare is below average for this route at the moment.

London Heathrow Airport to London, Ontario flights typically cost between C$ 1,258 and C$ 1,641 in September.
The cheapest round-trip price found within the last 5 days was C$ 893 on Air Canada (14 Sep-30 Sep).

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 52m. 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.

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

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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.

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