Cheap flights from London Heathrow Airport to Ontario from C$ 379
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Ontario departing on 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from London Heathrow Airport to Ontario.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London Heathrow Airport to Ontario.
Cheap last-minute flights
Planning a quick getaway from London Heathrow Airport to Ontario? These are the last-minute flight deals available now.
Cheap direct flights
If you prefer a non-stop journey, check out our latest direct flight deals to Ontario, so you can enjoy a seamless trip without layovers.
KLM flights from London Heathrow Airport to Region of Ontario
Our best KLM deals on London Heathrow Airport to Region of Ontario flight tickets
KLM![KLM]()
29 Apr![KLM]()
10 May
LHR8:55 p.m.London Heathrow
21h 35m
1 stop
YYZ1:30 p.m.Toronto Pearson Intl
YYZ10:30 p.m.Toronto Pearson Intl
7h 10m
LHR10:40 a.m.London Heathrow
KLM![KLM]()
30 Apr![KLM]()
21 May
LHR6:30 a.m.London Heathrow
12h 00m
1 stop
YYZ1:30 p.m.Toronto Pearson Intl
YYZ10:30 p.m.Toronto Pearson Intl
7h 10m
LHR10:40 a.m.London Heathrow
British Airways flights from London Heathrow Airport to Region of Ontario
Our best British Airways deals on London Heathrow Airport to Region of Ontario flight tickets
British Airways![British Airways]()
23 Apr![British Airways]()
30 Apr
LHR6:15 a.m.London Heathrow
14h 25m
1 stop
YYZ3:40 p.m.Toronto Pearson Intl
YYZ6:05 p.m.Toronto Pearson Intl
7h 10m
LHR6:15 a.m.London Heathrow
British Airways![British Airways]()
2 May![British Airways]()
13 May
LHR7:40 a.m.London Heathrow
13h 00m
1 stop
YYZ3:40 p.m.Toronto Pearson Intl
YYZ6:05 p.m.Toronto Pearson Intl
7h 10m
LHR6:15 a.m.London Heathrow
See travel insights to Ontario from
How to get the cheapest flight ticket from London Heathrow Airport to Region of Ontario
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
Prices
Airlines
Other information
What is the cheapest month to fly to Region of Ontario?
In general, February is the cheapest month to fly from London Heathrow Airport to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 742. If you are unable to visit Region of Ontario during the month of February, then departing from London Heathrow Airport during the month November is also very affordable. Most momondo users find prices during this month for around C$ 778.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from London Heathrow Airport to Region of Ontario is on a Friday. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 876. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 977.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our most recent data shows that the best time of day to fly to Region of Ontario is in the afternoon. Flights from London Heathrow Airport to Region of Ontario during this time can be as low as C$ 899. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 1,002 on average. Flights to Region of Ontario from London Heathrow Airport at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London Heathrow to Ontario flight route?
Fly from London Heathrow to Toronto Pearson Intl for the best London Heathrow - Ontario flight prices
How far in advance should I book a flight to Region of Ontario?
You are more likely to see cheaper flights to Region of Ontario from London Heathrow Airport when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 949 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from London Heathrow Airport for as low as C$ 839 on momondo.
What cabin class options are available on London Heathrow to Ontario flights?
There are 3 cabin classes available to choose from on London Heathrow to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from London Heathrow to Ontario?
TAP AIR PORTUGAL is the most popular carrier operating from London Heathrow to Ontario
Which airlines fly to Region of Ontario?
Air Canada, Lufthansa and British Airways are the top three most popular airlines that fly to Region of Ontario from London Heathrow Airport according to our data. Air Canada is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 12 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from London Heathrow Airport to Region of Ontario on average per day?
50 flights are operational daily from London Heathrow Airport to Region of Ontario as of April 2025. The most popular departure time for this route is 5:00p.m., with 79% of flights per day taking off in the afternoon.
How many flights depart from London Heathrow Airport to Region of Ontario on average per week?
351 flights are operational weekly from London Heathrow Airport to Region of Ontario as of April 2025. The most popular departure day for this route is Sat, with 17% of flights per week taking off on this day.
Cheap London Heathrow Airport to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Region of Ontario
Best price found | C$ 379 |
|---|---|
Fastest flight time | 7h 10m |
Direct flights | Every day |
Airports in Region of Ontario | 5 airports |
When did momondo last update prices for flights from London Heathrow Airport to Ontario?
Prices for flights from London Heathrow Airport to Ontario are updated daily.
How many operators does momondo search for flights from London Heathrow Airport to Ontario?
As of April 2025, there are 12 operators available to choose from for flights from London Heathrow Airport to Ontario.
How old do you have to be to fly from London Heathrow Airport to Ontario?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents required for your trip to Ontario can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Ontario. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from London Heathrow Airport to Region of Ontario?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Region of Ontario is Boeing 787-9 Dreamliner, representing 25.63% of all bookings. The subsequent popular models are Boeing 777 at 18.64%, Airbus A350-1000 at 11.56%, and Airbus A330-200 at 11.32%.
Best airlines flying from London Heathrow Airport to Region of Ontario
Compare and see reviews for airlines that fly from London Heathrow Airport to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 618 | Free Cancellation | Rating 6.7 6,963 reviews | |||
| PriceFrom C$ 645 | Free Cancellation | Rating 7.0 476 reviews | |||
| PriceFrom C$ 648 | Free Cancellation | Rating 7.1 1,831 reviews | |||
| PriceFrom C$ 673 | Free Cancellation | Rating 6.6 6,715 reviews | |||
| PriceFrom C$ 678 | Free Cancellation | Rating 7.4 636 reviews | |||
| PriceFrom C$ 686 | Free Cancellation | Rating 7.3 1,328 reviews | |||
| PriceFrom C$ 691 | Free Cancellation | Rating 7.8 381 reviews | |||
| PriceFrom C$ 699 | Free Cancellation | Rating 7.0 9,022 reviews | |||
| PriceFrom C$ 735 | Free Cancellation | Rating 7.4 8,615 reviews | |||
| PriceFrom C$ 738 | Free Cancellation | Rating 7.2 10,000 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Ontario?
It is quick and easy to find London to Ontario flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ontario that suits you.
Can I find flights from London to Ontario with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Ontario flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Ontario?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ontario from London.
I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?
If you are not ready to book a flight from London to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.
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