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Cheap flights from London, ON to London Heathrow Airport from C$ 761

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 25/5. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
16 Apr — 23 Apr1
1 adult

Cheap flight deals from London to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to Heathrow (LHR). 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 April 2025.

Round-trip from

C$ 924

One-way from

C$ 761

Popular in

December

Cheapest in

October

Average price

C$ 1,109
United Airlines
  • United Airlines
  • 25/5-1/6
  • 4 total stops
  • 29h 38m total
  • London to London
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WestJet
  • WestJet
  • 25/5
  • 1 total stop
  • 25h 05m total
  • London to London
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Highest demand for flights based on searches. 16% potential increase in price (C$ 330 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease (C$ 87 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from London to Heathrow

Cheapest flights from London to Heathrow
Explore the most affordable flight options available from London to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 April 2025.

Sun 25/59:55 a.m.YXU - LHR
2 stops15h 25mUnited Airlines
Sun 1/612:15 p.m.LHR - YXU
2 stops14h 13mUnited Airlines
Deal found 10/4C$ 924
Sun 25/59:55 a.m.YXU - LHR
1 stop18h 40mAir Canada
Sun 1/65:40 p.m.LHR - YXU
1 stop20h 38mAir Canada
Deal found 10/4C$ 1,140
Fri 24/109:55 a.m.YXU - LHR
2 stops15h 35mMultiple Airlines
Mon 27/105:10 p.m.LHR - YXU
2 stops32h 35mMultiple Airlines
Deal found 11/4C$ 1,154
Fri 23/59:55 a.m.YXU - LHR
1 stop15h 40mLufthansa
Fri 30/58:30 a.m.LHR - YXU
1 stop11h 33mLufthansa
Deal found 10/4C$ 1,195
Fri 24/106:00 a.m.YXU - LHR
1 stop25h 05mWestJet
Mon 27/102:50 p.m.LHR - YXU
1 stop32h 22mWestJet
Deal found 11/4C$ 1,623
Fri 24/103:35 p.m.YXU - LHR
2 stops16h 25mSWISS
Mon 27/107:30 p.m.LHR - YXU
3 stops30h 15mSWISS
Deal found 11/4C$ 2,197

Cheapflights Fare Finder

Customize your flight search to find flights from London to Heathrow 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 April 2025.
Use the filters below to find and compare flights from London to London Heathrow Airport that are best for you.

Fly from

London

Fly to

Heathrow

Route

Depart

Return

Price

LondonLondon

YXU - LHR

YXULHR

London

Sun 25/5

6:15 a.m.-6:55 a.m.

2 stops19h 40m

London Heathrow

Sun 1/6

2:10 p.m.-9:18 a.m.

2 stops24h 08m

C$ 924

LondonLondon

YXU - LHR

YXULHR

London

Sun 25/5

9:55 a.m.-9:35 a.m.

1 stop18h 40m

London Heathrow

Sun 1/6

5:40 p.m.-9:18 a.m.

1 stop20h 38m

C$ 1,140

LondonLondon

YXU - LHR

YXULHR

London

Wed 21/5

3:45 p.m.-10:00 a.m.

2 stops13h 15m

London Heathrow

Wed 28/5

3:50 p.m.-9:28 p.m.

1 stop10h 38m

C$ 1,158

LondonLondon

YXU - LHR

YXULHR

London

Fri 23/5

9:55 a.m.-6:35 a.m.

1 stop15h 40m

London Heathrow

Fri 30/5

8:30 a.m.-3:03 p.m.

1 stop11h 33m

C$ 1,195

LondonLondon

YXU - LHR

YXULHR

London

Sun 25/5

6:00 a.m.-12:05 p.m.

1 stop25h 05m

London Heathrow

Sun 1/6

2:10 p.m.-5:14 a.m.

1 stop20h 04m

C$ 1,696

LondonLondon

YXU - LHR

YXULHR

London

Sun 25/5

6:00 a.m.-12:05 p.m.

1 stop25h 05m

C$ 761

LondonLondon

YXU - LHR

YXULHR

London

Wed 14/5

3:45 p.m.-10:00 a.m.

2 stops13h 15m

C$ 1,119

LondonLondon

YXU - LHR

YXULHR

London

Sun 25/5

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

2 stops40h 00m

C$ 1,160

LondonLondon

YXU - LHR

YXULHR

London

Wed 14/5

3:45 p.m.-6:30 p.m.

3 stops21h 45m

C$ 1,213

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Best time to book a flight from London to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from London 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 to London Heathrow Airport

What is the cheapest month to book a flight from London, Ontario to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to London Heathrow Airport (average of C$ 560). Flying from London, Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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.

What is the cheapest time of day to fly from YXU to LHR?

Find hourly flight availability from London to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 April 2025.

A simple way to save on the total cost of your ticket is to fly from London, Ontario to London Heathrow Airport in the morning. If you’re flexible enough to do this you can expect to save up to 5% on your trip compared to booking a flight at noon.

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 11 April 2025.
SWISS
7.5
Good
1,575 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.4

Boarding

7.6

Crew

8.2

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
SWISS
7.5
Good
1,575 reviews
SWISS
7.5
Good
1,575 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.4

Boarding

7.6

Crew

8.2

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
United Airlines
7.4
Good
8,636 reviews
SWISS
7.5
Good
1,575 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.4

Boarding

7.6

Crew

8.2

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
WestJet
7.2
Good
2,802 reviews
SWISS
7.5
Good
1,575 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.4

Boarding

7.6

Crew

8.2

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Air Canada
7.0
Good
9,085 reviews
SWISS
7.5
Good
1,575 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.4

Boarding

7.6

Crew

8.2

Entertainment

6.7

Reviews

1 / 20
2.0
Mediocre

Jeff,Feb 2025

BER - ZRH

Ground and flight crew are lazy. No food. Late. Ryanair is better.
Lufthansa
6.7
Okay
6,986 reviews
SWISS
7.5
Good
1,575 reviews
Check prices

Food

7.0

Overall

7.5

Comfort

7.4

Boarding

7.6

Crew

8.2

Entertainment

6.7

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 London to Heathrow. 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 from for flights from London to London Heathrow?

    For a flight from London to London Heathrow, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city. London is the only London airport and it handles 0 outbound flights to London Heathrow per day. 1 airline has flights to London Heathrow from London on a regular basis.

  • What are the cheapest airlines flying from London, Ontario to London Heathrow Airport round-trip?

    United Airlines, at C$ 924, was found to be the cheapest airline from London, Ontario to London Heathrow Airport.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. These flights start at 24% lower than the current average price 3 months from now.

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

    The cheapest airlines for a one-way flight from London, Ontario to London Heathrow Airport are WestJet (C$ 761), Air Canada (C$ 1,119), and United Airlines (C$ 1,160).

  • Can I find deals for flights from London to Heathrow that include hotel bookings?

    Yes. In addition to deals on London to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Heathrow.

  • Can I find deals for business class flights from London to Heathrow?

    Yes. Cheapflights offers flight deals from London to Heathrow 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, Ontario to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to London Heathrow Airport (average of C$ 560). Flying from London, Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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Alternative routes for London to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from London to Heathrow

Discover the top airline that operate flights from London to Heathrow. 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 11 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 801AverageC$ 1,187FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Heathrow?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Heathrow. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from London to Heathrow?

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Can Cheapflights find flights from London to Heathrow with no change fees?

Yes! Cheapflights helps users easily find flights from London to Heathrow with no change fees.

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