Cheap flights from Ontario to London Heathrow Airport from £289
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 25/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Heathrow
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 26 July 2024.
How far in advance should I book a flight from Ontario to London Heathrow Airport?
To save up to 29% on this flight, we recommend booking at least 15 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ontario to London Heathrow Airport from £554 1-2 weeks out and tickets from £791 for flights departing within the next 72 hours.
What is the cheapest month to fly from Ontario to London Heathrow Airport?
October can be a great time to fly to London Heathrow Airport from Ontario with a flight ticket averaging about £550. Cheapflights users have found deals in the month of October for as cheap as £309. The most expensive prices can be found in the month of June.
What is the cheapest time of day to fly from ONT to LHR?
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to London Heathrow Airport as you normally would.
Cheap Air Canada flights from Ontario to Heathrow
Explore cheap flight options specifically provided by Air Canada for the route between Ontario and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Take a look at some of the lowest-priced Air Canada flights heading from Ontario to London. Come back soon if you're not finding the exact deal you're looking for.
Cheap British Airways flights from Ontario to Heathrow
Explore cheap flight options specifically provided by British Airways for the route between Ontario and Heathrow. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Some of the best deals we've found on British Airways flights travelling from Ontario to London. Ensure the flight price, dates, time, and airline match your criteria before you book.
Cheap Ontario to Heathrow flights in July & August 2024
Find cheap flight options from Ontario to Heathrow specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 1,000,913 searches. Prices were last updated on 26 July 2024.
Scroll through some of the best deals on flights from Ontario to London in 2024. Check back in a little while for more flight options.
Ontario to Heathrow 2024 flight deals
Discover exclusive flight deals for travel between Ontario and Heathrow in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Scroll through some of the best deals on flights from Ontario to London in 2024. Check back in a little while for more flight options.
Ontario to Heathrow flights leaving soon
Find last-minute flight options from Ontario to Heathrow for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Check out these flights departing soon from Ontario to London. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
One-way flights to Heathrow from Ontario
Search for one-way flight options from Ontario to Heathrow. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 1,000,913 searches. Data last updated 26 July 2024.
Users travelling one-way from Ontario to London can select one of these great deals. Those seeking round-trip flights from Ontario to London should utilise the search form at the top of the page.
Find flights from Ontario to Heathrow within your budget
Customise your flight search to find flights from Ontario 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 1,000,913 searches. Data last updated 26 July 2024.
Fly from
Fly to
Budget
£459 - £565
Route
Depart
Return
Price
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 8/10
2 stops17h 15m
London Heathrow
Tue 22/10
2 stops40h 46m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 8/10
1 stop17h 40m
London Heathrow
Tue 22/10
2 stops33h 27m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 5/11
1 stop17h 00m
London Heathrow
Tue 26/11
2 stops24h 08m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 15/10
1 stop14h 04m
London Heathrow
Fri 25/10
1 stop15h 15m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Wed 16/10
2 stops17h 15m
London Heathrow
Wed 23/10
2 stops20h 41m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Tue 8/10
1 stop19h 21m
London Heathrow
Tue 22/10
2 stops17h 42m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Wed 4/9
1 stop14h 07m
London Heathrow
Wed 18/9
2 stops19h 58m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Sun 11/8
1 stop12h 50m
London Heathrow
Tue 27/8
1 stop14h 23m
OntarioLondon Heathrow
ONT - LHR
ONTLHR
Ontario
Sat 14/9
1 stop28h 10m
London Heathrow
Sun 29/9
1 stop31h 38m
How far ahead should I book a flight from Ontario to London Heathrow Airport?
Use this chart to determine the optimal time to book a return flight from Ontario to Heathrow. Price data was last updated on 23 July 2024.
To ensure you get the cheapest price possible for a flight from Ontario to London Heathrow Airport, you should look to book at least 27 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Best time to book a flight from Ontario to Heathrow
Have a flexible travel schedule? Discover the best time to fly to Heathrow from Ontario with our price prediction graph.
Temperature and rainfall in Heathrow by month
Plan your trip to Heathrow by taking into account the average temperature and rainfall totals by month.
LON Temperature | 4 - 17 °C |
|---|
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 26 July 2024.
Read reviews from past customers who have flown Air Canada, British Airways and KLM from Ontario to London. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
The people I was next too were a family and they made the flight miserable with their endless complaints and lack of respect; the airline refused to move me to or to give me the seat I needed for my medical condition. The food has never been good and the entertainment is trash. I took this flight based on the fact that it was a last minute booking so I could afford it…
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
The people I was next too were a family and they made the flight miserable with their endless complaints and lack of respect; the airline refused to move me to or to give me the seat I needed for my medical condition. The food has never been good and the entertainment is trash. I took this flight based on the fact that it was a last minute booking so I could afford it…
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
The people I was next too were a family and they made the flight miserable with their endless complaints and lack of respect; the airline refused to move me to or to give me the seat I needed for my medical condition. The food has never been good and the entertainment is trash. I took this flight based on the fact that it was a last minute booking so I could afford it…
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
The people I was next too were a family and they made the flight miserable with their endless complaints and lack of respect; the airline refused to move me to or to give me the seat I needed for my medical condition. The food has never been good and the entertainment is trash. I took this flight based on the fact that it was a last minute booking so I could afford it…
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
The people I was next too were a family and they made the flight miserable with their endless complaints and lack of respect; the airline refused to move me to or to give me the seat I needed for my medical condition. The food has never been good and the entertainment is trash. I took this flight based on the fact that it was a last minute booking so I could afford it…
Entertainment
Overall
Food
Comfort
Boarding
Crew
Reviews
The people I was next too were a family and they made the flight miserable with their endless complaints and lack of respect; the airline refused to move me to or to give me the seat I needed for my medical condition. The food has never been good and the entertainment is trash. I took this flight based on the fact that it was a last minute booking so I could afford it…
Related info for your journey
Find useful and relevant information for your journey from Ontario to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Ontario to HeathrowSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
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Find flights from Ontario to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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How does Cheapflights help users find flights from Ontario to Heathrow?
When you search for this flight from Ontario to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Heathrow?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Heathrow.
Can Cheapflights find flights from Ontario to Heathrow with no change fees?
Certainly. Search results for flights to Heathrow from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ontario 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!