Cheap flights from London to Ontario from £246
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 to Ontario departing on 3/2. 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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Not ready to book? to track prices.Virgin Atlantic flights from London to Region of Ontario
Our best Virgin Atlantic deals on London to Region of Ontario flight tickets
KLM flights from London to Region of Ontario
Our best KLM deals on London to Region of Ontario flight tickets
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Fly from
Fly to
Route
Depart
Return
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Fri 20/11
13:30-19:45
1 stop11h 15m
Toronto Pearson Intl
Fri 27/11
20:25-13:00
1 stop11h 35m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Sun 8/11
07:30-16:15
1 stop13h 45m
Toronto Pearson Intl
Tue 17/11
20:25-13:00
1 stop11h 35m
LondonToronto
LGW London Gatwick - YYZ Toronto Pearson Intl
LGWYYZ
London Gatwick
Tue 6/4
15:40-22:05
1 stop11h 25m
Toronto Pearson Intl
Tue 20/4
23:10-14:40
1 stop10h 30m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Sun 8/11
07:30-16:15
1 stop13h 45m
Toronto Pearson Intl
Tue 17/11
20:10-08:30
Nonstop7h 20m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Sun 8/11
12:15-18:15
1 stop11h 00m
Toronto Pearson Intl
Sun 15/11
19:40-10:50
1 stop10h 10m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Sat 21/11
06:35-14:55
1 stop13h 20m
Toronto Pearson Intl
Sat 28/11
23:00-11:20
Nonstop7h 20m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Sun 8/11
08:40-15:40
1 stop12h 00m
Toronto Pearson Intl
Tue 17/11
21:15-16:05
1 stop13h 50m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Mon 9/11
11:30-19:45
1 stop13h 15m
Toronto Pearson Intl
Mon 16/11
21:45-09:50
Nonstop7h 05m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Mon 9/11
10:00-15:40
1 stop10h 40m
Toronto Pearson Intl
Mon 16/11
21:45-09:50
Nonstop7h 05m
LondonToronto
LHR London Heathrow - YYZ Toronto Pearson Intl
LHRYYZ
London Heathrow
Mon 9/11
06:30-15:40
1 stop14h 10m
Toronto Pearson Intl
Mon 16/11
21:45-09:50
Nonstop7h 05m
See travel insights to Ontario from
How to get the cheapest flight ticket from London 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
What is the cheapest month to fly to Region of Ontario?
In general, February is the cheapest month to fly from London to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £415. If you aren’t able to travel to Region of Ontario 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 £425.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from London to Region of Ontario is on a Friday when prices can be found for as low as £563. Flights from London to Region of Ontario on a Sunday will generally be more expensive and average around £612. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our data shows that the cheapest London to Region of Ontario flights are usually those with departure times in the morning. Our users have found flights to Region of Ontario in the morning for as low as £566. In the afternoon is when there is more demand to fly to Region of Ontario, so prices are often more expensive at around £611 per ticket.
What is the cheapest London to Ontario flight route?
Fly from London Heathrow to Toronto Pearson Intl for the best London - Ontario flight prices
How far in advance should I book a flight from London to Ontario?
You are more likely to see cheaper flights to Region of Ontario from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around £520 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from London for as low as £514 on momondo.
What cabin class options are available on London to Region of Ontario flights?
There are 4 cabin classes available to choose from on London to Region of 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 to Ontario?
Icelandair, SWISS, and Lufthansa are the most popular carriers operating from London to Ontario
Which airlines fly to Region of Ontario?
Air Canada, Lufthansa and Air Transat are the top three most popular airlines that fly to Region of Ontario from London according to our data. Air Canada is the first choice among our users, with 67% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 17 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 to Region of Ontario on average per day?
The number of flights available between London and Region of Ontario is 37 per day as of October 2026. The most frequent departure time is 17:00, with 82% of daily flights leaving in the afternoon.
How many flights depart from London to Region of Ontario on average per week?
As of October 2026, 260 flights take off from London and land in Region of Ontario each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.
Cheap London to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London to Region of Ontario
Frequently asked questions about flying from London to Ontario
When did momondo last update prices for flights from London to Ontario?
Prices for flights from London to Ontario are updated daily.
How many operators does momondo search for flights from London to Ontario?
As of October 2026, there are 17 operators available to choose from for flights from London to Ontario.
How old do you have to be to fly from London to Ontario?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Ontario.
What documentation or ID do you need to fly to Ontario?
The necessary travel and health documents for your Ontario trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London to Region of Ontario?
Based on momondo bookings for flights between London and Region of Ontario, the leading plane model is Airbus A350-1000, making up 29.94% of the total bookings. Other popular models include Airbus A321neo with 15.14%, Airbus A330-200 with 12.49%, and Boeing 777-300ER with 8.80%.
Best airlines flying from London to Region of Ontario
Compare and see reviews for airlines that fly from London to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £268 | Free Cancellation | Rating 6.8 1,390 reviews | |||
| PriceFrom £276 | Free Cancellation | Rating 6.9 758 reviews | |||
| PriceFrom £324 | Free Cancellation | Rating 7.1 11,748 reviews | |||
| PriceFrom £339 | Free Cancellation | Rating 7.2 2,383 reviews | |||
| PriceFrom £342 | Free Cancellation | Rating 7.5 694 reviews | |||
| PriceFrom £345 | Free Cancellation | Rating 7.7 584 reviews | |||
| PriceFrom £361 | Free Cancellation | Rating 6.8 8,269 reviews | |||
| PriceFrom £364 | Free Cancellation | Rating 7.6 1,425 reviews | |||
| PriceFrom £366 | Free Cancellation | Rating 7.2 3,452 reviews | |||
| PriceFrom £366 | Free Cancellation | Rating 6.7 8,255 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Ontario?
Finding the right flight to Ontario from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Ontario quick and easy, saving you time and money.
Can I find flights from London to Ontario with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Ontario from London with this policy.
How can momondo help me find flights from London to Ontario?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Ontario.
I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?
Price alerts on flights to Ontario from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.