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Cheap flights from London, ON to London Heathrow Airport from C$ 584

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 18/2. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — LHR
21 Jan — 28 Jan1
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 16 January 2025.

Round-trip from

C$ 990

One-way from

C$ 584

Popular in

December

Cheapest in

October

Average price

C$ 1,288
United Airlines
  • United Airlines
  • 1/3-8/3
  • 4 total stops
  • 35h 40m total
  • London to London
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18/2
  • 18/2
  • 2 total stops
  • 39h 45m total
  • London to London
Search Deals
High demand for flights, 14% potential price rise
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Best time to find cheap flights, 4% potential price drop
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Average for round-trip flights in January 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 16 January 2025.

Sat 1/39:55 a.m.YXU - LHR
2 stops20h 20mUnited Airlines
Sat 8/310:00 a.m.LHR - YXU
2 stops15h 20mUnited Airlines
Deal found 15/1C$ 990
Sun 16/29:55 a.m.YXU - LHR
1 stop15h 35mAir Canada
Tue 25/28:55 a.m.LHR - YXU
2 stops29h 20mAir Canada
Deal found 15/1C$ 998
Sun 16/29:55 a.m.YXU - LHR
1 stop17h 35mLufthansa
Tue 25/211:10 a.m.LHR - YXU
1 stop14h 10mLufthansa
Deal found 15/1C$ 1,167
Sat 1/35:45 a.m.YXU - LHR
3 stops26h 05mMultiple Airlines
Sat 8/32:50 p.m.LHR - YXU
3 stops22h 25mMultiple Airlines
Deal found 15/1C$ 1,335
Wed 1/103:35 p.m.YXU - LHR
2 stops19h 50mSWISS
Sun 19/106:00 a.m.LHR - YXU
2 stops19h 47mSWISS
Deal found 14/1C$ 3,732

Find flights from London to Heathrow within your budget

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 16 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonLondon

YXU - LHR

YXULHR

London

Sat 1/3

9:55 a.m.-6:40 a.m.

2 stops15h 45m

London Heathrow

Sat 8/3

9:10 a.m.-8:20 p.m.

2 stops16h 10m

C$ 990

LondonLondon

YXU - LHR

YXULHR

London

Sun 16/2

9:55 a.m.-6:30 a.m.

1 stop15h 35m

London Heathrow

Tue 25/2

8:55 a.m.-9:15 a.m.

2 stops29h 20m

C$ 998

LondonLondon

YXU - LHR

YXULHR

London

Sun 16/2

9:55 a.m.-8:30 a.m.

1 stop17h 35m

London Heathrow

Tue 25/2

11:10 a.m.-8:20 p.m.

1 stop14h 10m

C$ 1,167

LondonLondon

YXU - LHR

YXULHR

London

Sat 1/3

5:45 a.m.-12:50 p.m.

3 stops26h 05m

London Heathrow

Sat 8/3

2:50 p.m.-8:15 a.m.

3 stops22h 25m

C$ 1,335

LondonLondon

YXU - LHR

YXULHR

London

Tue 18/2

8:00 p.m.-4:45 p.m.

2 stops39h 45m

C$ 584

LondonLondon

YXU - LHR

YXULHR

London

Tue 18/2

5:45 a.m.-8:30 a.m.

1 stop21h 45m

C$ 647

LondonLondon

YXU - LHR

YXULHR

London

Sat 1/3

5:45 a.m.-10:50 a.m.

2 stops24h 05m

C$ 687

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/1

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.

Travel insights for flights from London to Heathrow

Get recent, data-driven insights about flights from London to Heathrow including ideal travel times, pricing trends, and more.

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 16 January 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.

What is the cheapest day to fly from London, Ontario to London Heathrow Airport?

Use this chart to determine the cheapest time to fly round-trip from London to Heathrow. Price data was last updated on 11 February 2024.

Travelers seeking maximum savings on their London, Ontario to London Heathrow Airport flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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 16 January 2025.
United Airlines
7.4
Good
8,964 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

United Airlines
7.4
Good
8,964 reviews
United Airlines
7.4
Good
8,964 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Air Canada
7.0
Good
8,587 reviews
United Airlines
7.4
Good
8,964 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Lufthansa
6.8
Okay
7,093 reviews
United Airlines
7.4
Good
8,964 reviews
Check prices

Crew

8.1

Boarding

7.7

Food

6.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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. 2 airlines have 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$ 990, 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 21% lower than the current average price 3 months from now.

  • 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

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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 2 airlines flying from London to Heathrow

Discover the top 2 airlines 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 16 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 818AverageC$ 1,258FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 1,047AverageC$ 1,266FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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 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?

Cheapflights simply makes it quick and affordable to book flights from London to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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.

Can Cheapflights notify me if prices for flights from London to Heathrow 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!

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