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

Airfare is below average for this route at the moment. London, Ontario to London Heathrow Airport flights typically cost between C$ 1,195 and C$ 1,295 in September. The cheapest round-trip price found within the last 3 days was C$ 934 on United Airlines (11 Sep-18 Sep).

Question 1

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

Accepted Answer

Airfare is below average for this route at the moment.London, Ontario to London Heathrow Airport flights typically cost between C$ 1,195 and C$ 1,295 in September.
The cheapest round-trip price found within the last 3 days was C$ 934 on United Airlines (11 Sep-18 Sep).

Question 2

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

Accepted Answer

United Airlines, at C$ 934, 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 23% lower than the current average price 3 months from now.

Question 3

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

Accepted Answer

The cheapest airlines for a one-way flight from London, Ontario to London Heathrow Airport are Air Canada (C$ 462), Lufthansa (C$ 471), and United Airlines (C$ 501).

Question 4

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

Accepted Answer

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$ 857). 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.

Question 5

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

Accepted Answer

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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

E

Accepted Answer

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.

Question 7

E

Accepted Answer

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).

Question 8

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

Accepted Answer

Leaving on a Sunday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 30% on the overall cost on flights from London, Ontario to London Heathrow Airport.

Question 9

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

Accepted Answer

May is one of the best times of the year to fly to London Heathrow Airport from London, Ontario. Prices for May average C$ 1,095 per person but you can even find prices for as low as C$ 812. The most expensive prices can be found in the month of December. Opting for a May flight can save you 49% on your journey compared to booking in December

Question 10

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

Accepted Answer

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.

Question 11

What airport do you fly from for flights from London to London Heathrow?

Accepted Answer

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.

Question 12

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

Accepted Answer

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

Question 13

How can I find direct flights from London to Heathrow?

Accepted Answer

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

Question 14

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

Accepted Answer

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.

Question 15

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

Accepted Answer

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.

Question 16

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

Accepted Answer

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.

Question 17

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

Accepted Answer

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

Question 18

Can Cheapflights notify me if prices for flights from London to Heathrow become cheaper?

Accepted Answer

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!

Round-trip from	C$ 934
One-way from	C$ 462
Popular in	December
Cheapest in	October
Average price	C$ 1,203

Cheap flights from London, ON to London Heathrow Airport from C$ 462

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheapest flights from London to HeathrowExplore 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 28 July 2025.

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 28 July 2025.

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

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

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

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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?

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

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

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

How can I find direct flights from London to Heathrow?

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

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

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

Can Cheapflights notify me if prices for flights from London to Heathrow become cheaper?

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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 28 July 2025.