Cheap flights from London to Ontario from C$ 334
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 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.
Round-trip
1 adult
Economy
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from London to Ontario.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from London to Ontario.
Cheap last-minute flights
Planning a quick getaway from London 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.
SWISS flights from London to Region of Ontario
Our best SWISS deals on London to Region of Ontario flight tickets
SWISS![SWISS]()
2 May![SWISS]()
6 May
LHR5:10 p.m.London Heathrow
26h 50m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl
10h 15m
1 stop
LHR7:55 a.m.London Heathrow
SWISS![SWISS]()
12 May![SWISS]()
20 May
LHR6:00 a.m.London Heathrow
14h 00m
1 stop
YUL3:00 p.m.Montreal Pierre Elliott Trudeau Intl
YUL4:40 p.m.Montreal Pierre Elliott Trudeau Intl
15h 20m
1 stop
LHR1:00 p.m.London Heathrow
Icelandair flights from London to Region of Ontario
Our best Icelandair deals on London to Region of Ontario flight tickets
Icelandair![Icelandair]()
19 Sep![Icelandair]()
28 Sep
LGW3:40 p.m.London Gatwick
11h 15m
1 stop
YYZ9:55 p.m.Toronto Pearson Intl
YYZ11:00 p.m.Toronto Pearson Intl
10h 40m
1 stop
LGW2:40 p.m.London Gatwick
Icelandair![Icelandair]()
19 Aug![Icelandair]()
9 Sep
LGW3:40 p.m.London Gatwick
11h 15m
1 stop
YYZ9:55 p.m.Toronto Pearson Intl
YYZ8:50 p.m.Toronto Pearson Intl
12h 50m
1 stop
LGW2:40 p.m.London Gatwick
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
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 to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 679. If you are unable to visit Region of Ontario during the month of February, then departing from London during the month March is also very affordable. Most momondo users find prices during this month for around C$ 681.
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. Travellers who choose to depart for Region of Ontario on a Friday will often find tickets for as low as C$ 848. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 946.
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 to Region of Ontario during this time can be as low as C$ 870. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 970 on average. Flights to Region of Ontario from London at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest London to Ontario flight route?
Fly from London Gatwick to Toronto Pearson Intl for the best London - 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 when booking 23 weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 902 when searching 23 weeks out.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 C$ 786 on momondo.
What cabin class options are available on London to Ontario flights?
There are 3 cabin classes available to choose from on London 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 to Ontario?
WestJet and Air Transat 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 51% 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 to Region of Ontario on average per day?
As of April 2025, there are 51 flights per day flying from London to Region of Ontario. The most common time of day flights depart is 5:00p.m., with 85% of flights taking off in the afternoon.
How many flights depart from London to Region of Ontario on average per week?
363 flights are operational weekly from London to Region of Ontario as of April 2025. The most popular departure day for this route is Tue, with 16% of flights per week 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
Best price found | C$ 334 |
|---|---|
Fastest flight time | 7h 10m |
Direct flights | Every day |
Airports in Region of Ontario | 3 airports |
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 April 2025, there are 11 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 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 to Region of Ontario?
Based on momondo bookings for flights between London and Region of Ontario, the leading plane model is Boeing 787-9 Dreamliner, making up 24.11% of the total bookings. Other popular models include Boeing 777 with 18.50%, Airbus A330-200 with 12.45%, and Airbus A350-1000 with 12.02%.
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 C$ 559 | Free Cancellation | Rating 7.0 482 reviews | |||
| PriceFrom C$ 596 | Free Cancellation | Rating 6.7 7,012 reviews | |||
| PriceFrom C$ 611 | Free Cancellation | Rating 7.8 385 reviews | |||
| PriceFrom C$ 628 | Free Cancellation | Rating 7.1 1,837 reviews | |||
| PriceFrom C$ 649 | Free Cancellation | Rating 6.6 6,767 reviews | |||
| PriceFrom C$ 656 | Free Cancellation | Rating 7.4 642 reviews | |||
| PriceFrom C$ 665 | Free Cancellation | Rating 7.3 1,335 reviews | |||
| PriceFrom C$ 674 | Free Cancellation | Rating 7.0 9,142 reviews | |||
| PriceFrom C$ 712 | Free Cancellation | Rating 7.4 8,667 reviews | |||
| PriceFrom C$ 715 | 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?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ontario . Millions of users trust and use momondo every year so you are in good hands.
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?
Once all potential London to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
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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Find better results for your trip to Ontario
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