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Cheap flights from London Heathrow Airport to London, Ontario from £374

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YXU
16 Jul — 23 Jul1
1 adult

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 July 2025.

Round-trip from

£551

One-way from

£374

Popular in

November

Cheapest in

January

Average price

£683
Air Canada
  • Air Canada
  • 25/8-1/9
  • 4 total stops
  • 37h 32m total
  • London to London
26/8
  • 26/8
  • 3 total stops
  • 51h 09m total
  • London to London
Highest demand for flights based on searches. 36% potential increase in price (£303 potential increase over avg. return price).
Cheapest flight prices on average. 16% potential price decrease (£76 potential savings vs. average return price).
Average for round-trip flights in July 2025

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 July 2025.

Mon 25/806:50LHR - YXU
2 stops13h 12mAir Canada
Mon 1/915:40YXU - LHR
2 stops24h 20mAir Canada
Deal found 11/7£551
Mon 25/806:50LHR - YXU
2 stops13h 12mMultiple Airlines
Mon 1/917:45YXU - LHR
1 stop31h 50mMultiple Airlines
Deal found 11/7£592
Fri 22/816:00LHR - YXU
1 stop10h 27mLufthansa
Sun 31/817:45YXU - LHR
2 stops46h 15mLufthansa
Deal found 10/7£632
Thu 7/811:05LHR - YXU
2 stops15h 22mUnited Airlines
Thu 14/815:40YXU - LHR
2 stops13h 30mUnited Airlines
Deal found 9/7£691
Mon 25/808:40LHR - YXU
2 stops37h 27mSWISS
Mon 1/917:45YXU - LHR
2 stops47h 00mSWISS
Deal found 11/7£692

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 11 July 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 25/8

06:50-15:02

2 stops13h 12m

London

Mon 1/9

15:40-21:00

2 stops24h 20m

£551

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 25/8

06:50-15:02

2 stops13h 12m

London

Mon 1/9

17:45-06:35

1 stop31h 50m

£592

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 22/8

16:00-21:27

1 stop10h 27m

London

Sun 31/8

17:45-21:00

2 stops46h 15m

£632

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Thu 7/8

11:05-21:27

2 stops15h 22m

London

Thu 14/8

15:40-10:10

2 stops13h 30m

£691

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Mon 25/8

08:40-17:07

2 stops37h 27m

London

Mon 1/9

17:45-21:45

2 stops47h 00m

£692

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Tue 26/8

07:05-05:14

3 stops51h 09m

£374

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sun 24/8

09:30-21:27

2 stops16h 57m

£550

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Fri 22/8

14:10-05:14

1 stop20h 04m

£803

LondonLondon

LHR - YXU

LHRYXU

London Heathrow

Sat 23/8

17:10-17:07

2 stops28h 57m

£1,413

Flights are sorted by cheapest return flights first.

Deals found on 9/7

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.

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 11 July 2025.
See what other customers who have flown with SWISS, United Airlines, andWestJet 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.

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

6.8

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

6.8

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

6.8

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

6.8

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

6.8

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

Overall

7.5

Food

7.0

Crew

8.2

Entertainment

6.8

Boarding

7.6

Comfort

7.4

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.

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.

  • What are the cheapest airlines flying 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 £551 on this airline. Additional options worth looking into are Lufthansa and United Airlines, starting at £632 and £691 round-trip. Air Canada is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London Heathrow Airport to London, Ontario one-way?

    The cheapest airline one-way is Lufthansa, with whom users have recently found tickets for as low as £550. However, be on the lookout for offers from WestJet and SWISS, as they are both options that can get you from London Heathrow Airport to London, Ontario for a low price.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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 11 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£448Average£621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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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