Cheap flights from Ontario to London from C$ 318
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to London departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names, great deals
Big names, great deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Early arrival? Instantly customize your resultsTrusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Ontario to London
Cheap round-trip flights
Cheap one-way flights
Cheap last-minute flights
Cheap direct flights
Lufthansa flights from Region of Ontario to London Heathrow Airport
Our best Lufthansa deals on Region of Ontario to London Heathrow Airport flight tickets
Icelandair flights from Region of Ontario to London Heathrow Airport
Our best Icelandair deals on Region of Ontario to London Heathrow Airport flight tickets
See travel insights to London from
How to get the cheapest flight ticket from Region of Ontario to London Heathrow Airport
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
What is the cheapest month to fly to London Heathrow Airport?
The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Region of Ontario, with most prices found around C$ 772. If you aren’t able to travel to London Heathrow Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 793.
What is the cheapest day to depart on your flight to London Heathrow Airport?
According to our data, Sunday is the cheapest day to fly to London Heathrow Airport from Region of Ontario. The lowest ticket price found for a Sunday departure recently was C$ 1,269. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to London Heathrow Airport for around C$ 1,420.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
Our data shows that the cheapest Region of Ontario to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 917. In the afternoon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,380 per ticket.
What is the cheapest Ontario to London Heathrow flight route?
Fly from Toronto Pearson Intl to London Heathrow for the best Ontario - London Heathrow flight prices
How far in advance should I book a flight to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Region of Ontario when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around C$ 919 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Region of Ontario for as low as C$ 825 on momondo.
What cabin class options are available on Ontario to London Heathrow flights?
There are 3 cabin classes available to choose from on Ontario to London Heathrow 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 Ontario to London Heathrow?
TAP AIR PORTUGAL and Icelandair are the most popular carriers operating from Ontario to London Heathrow
Which airlines fly to London Heathrow Airport?
Air Canada, British Airways and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Region of Ontario according to our data. Air Canada is the first choice among our users, with 62% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 18 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to London Heathrow Airport on average per day?
55 flights are operational daily from Region of Ontario to London Heathrow Airport as of May 2025. The most popular departure time for this route is 6:00p.m., with 100% of flights per day taking off in the evening.
How many flights depart from Region of Ontario to London Heathrow Airport on average per week?
The number of flights available between Region of Ontario and London Heathrow Airport is 386 per week as of May 2025. The most frequent departure day is Fri, with 17% of weekly flights leaving on this day.
Cheap Region of Ontario to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London Heathrow Airport
When did momondo last update prices for flights from Ontario to London Heathrow Airport?
Prices for flights from Ontario to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Ontario to London Heathrow Airport?
The number of operators available for flights from Ontario to London Heathrow Airport is 18 as of May 2025.
How old do you have to be to fly from Ontario to London Heathrow Airport?
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 Ontario to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 London Heathrow Airport. 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 Region of Ontario to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Region of Ontario to London Heathrow Airport is Airbus A330-200, representing 23.62% of all bookings. The subsequent popular models are Airbus A350-1000 at 19.41%, Boeing 777 at 19.37%, and Boeing 787-9 Dreamliner at 10.55%.
Best airlines flying from Region of Ontario to London Heathrow Airport
Compare and see reviews for airlines that fly from Region of Ontario to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 486 | Free Cancellation | Rating 7.6 1,275 reviews | |||
| PriceFrom C$ 537 | Free Cancellation | Rating 7.1 1,855 reviews | |||
| PriceFrom C$ 540 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom C$ 551 | Free Cancellation | Rating 9.2 5 reviews | |||
| PriceFrom C$ 613 | Free Cancellation | Rating 7.0 488 reviews | |||
| PriceFrom C$ 649 | Free Cancellation | Rating 8.0 285 reviews | |||
| PriceFrom C$ 665 | Free Cancellation | Rating 7.8 386 reviews | |||
| PriceFrom C$ 673 | Free Cancellation | Rating 7.0 1,077 reviews | |||
| PriceFrom C$ 699 | Free Cancellation | Rating 8.0 7,940 reviews | |||
| PriceFrom C$ 708 | Free Cancellation | Rating 7.0 9,264 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Ontario to London?
It is quick and easy to find Ontario to London 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 London that suits you.
Can I find flights from Ontario to London with flexible booking policies on momondo?
Flights from Ontario to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Ontario to London?
Once you have performed a search for Ontario to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Ontario to London right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Ontario to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.