Cheap flights from Ontario to London from C$ 263
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 15/7. 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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One-way
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Cheap round-trip flights
KAYAK's recommended round-trip deals from the most popular airlines that fly from Ontario to London.
Cheap one-way flights
Flying one-way? These are some of the best deals recently discovered on momondo for flights from Ontario to London.
Cheap last-minute flights
Planning a quick getaway from Ontario to London? 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 London, so you can enjoy a seamless trip without layovers.
Icelandair flights from Region of Ontario to London
Our best Icelandair deals on Region of Ontario to London flight tickets
Icelandair![Icelandair]()
9 May![Icelandair]()
15 May
YYZ8:50 p.m.Toronto Pearson Intl
18h 30m
1 stop
LHR8:20 p.m.London Heathrow
LHR1:05 p.m.London Heathrow
13h 50m
1 stop
YYZ9:55 p.m.Toronto Pearson Intl
Icelandair![Icelandair]()
22 May![Icelandair]()
29 May
YYZ8:50 p.m.Toronto Pearson Intl
12h 50m
1 stop
LGW2:40 p.m.London Gatwick
LGW3:40 p.m.London Gatwick
11h 15m
1 stop
YYZ9:55 p.m.Toronto Pearson Intl
Delta flights from Region of Ontario to London
Our best Delta deals on Region of Ontario to London flight tickets
Delta![Delta]()
24 Apr![Delta]()
5 May
YUL7:10 a.m.Montreal Pierre Elliott Trudeau Intl
20h 45m
1 stop
LHR8:55 a.m.London Heathrow
LHR9:55 a.m.London Heathrow
12h 00m
1 stop
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
See travel insights to London from
How to get the cheapest flight ticket from Region of Ontario to London
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 London?
In general, February is the cheapest month to fly from Region of Ontario to London. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 712. If you aren’t able to travel to London during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of C$ 756.
What is the cheapest day to depart on your flight to London?
According to our data, Sunday is the cheapest day to fly to London from Region of Ontario. The lowest ticket price found for a Sunday departure recently was C$ 1,132. 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 for around C$ 1,338.
What is the cheapest time of day to depart on your flight to London?
Our most recent data shows that the best time of day to fly to London is at noon. Flights from Region of Ontario to London during this time can be as low as C$ 878. In the afternoon is when there is more demand to fly to London, so prices are often more expensive at around C$ 1,389 per ticket.
What is the cheapest Ontario to London flight route?
Fly from Toronto Pearson Intl to London Gatwick for the best Ontario - London flight prices
How far in advance should I book a flight to London?
You are more likely to see cheaper flights to London from Region of Ontario when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to London for around C$ 929 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Region of Ontario for as low as C$ 822 on momondo.
What cabin class options are available on Ontario to London flights?
There are 3 cabin classes available to choose from on Ontario to London 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?
WestJet is the most popular carrier operating from Ontario to London
Which airlines fly to London?
Air Canada, British Airways and Air Transat are the top three most popular airlines that fly to London from Region of Ontario according to our data. Air Canada is the first choice among our users, with 56% of people opting to fly with this airline when travelling to London. Keep in mind that there are 19 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.
How many flights depart from Region of Ontario to London on average per day?
55 flights are operational daily from Region of Ontario to London as of April 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 on average per week?
The number of flights available between Region of Ontario and London is 386 per week as of April 2025. The most frequent departure day is Thu, with 16% of weekly flights leaving on this day.
Cheap Region of Ontario to London flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to London
When did momondo last update prices for flights from Ontario to London?
Prices for flights from Ontario to London are updated daily.
How many operators does momondo search for flights from Ontario to London?
There are 19 operators available for flights from Ontario to London as of April 2025.
How old do you have to be to fly from Ontario to London?
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.
What documentation or ID do you need to fly to London?
The travel and health documents required for your trip to London 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. 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Region of Ontario to London is Airbus A330-200 (24.29% of total bookings). The next most popular plane models are Boeing 777 (19.61%), Airbus A350-1000 (17.85%), and Boeing 787-9 Dreamliner (10.94%).
Best airlines flying from Region of Ontario to London
Compare and see reviews for airlines that fly from Region of Ontario to London with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 489 | Free Cancellation | Rating 7.6 1,269 reviews | |||
| PriceFrom C$ 500 | Free Cancellation | Rating 6.9 101 reviews | |||
| PriceFrom C$ 532 | Free Cancellation | Rating 7.1 1,839 reviews | |||
| PriceFrom C$ 555 | Free Cancellation | Rating 9.2 5 reviews | |||
| PriceFrom C$ 582 | Free Cancellation | Rating 7.8 385 reviews | |||
| PriceFrom C$ 618 | Free Cancellation | Rating 7.0 481 reviews | |||
| PriceFrom C$ 653 | Free Cancellation | Rating 8.0 281 reviews | |||
| PriceFrom C$ 676 | Free Cancellation | Rating 7.0 1,063 reviews | |||
| PriceFrom C$ 704 | Free Cancellation | Rating 8.0 7,916 reviews | |||
| PriceFrom C$ 713 | Free Cancellation | Rating 7.0 9,139 reviews |
Travelling to a place near London?
Book flights to London if you plan to visit one of these locationsGatwick
Hounslow
Ipswich
Dartford
Crawley
Richmond
Canterbury
Ilford
Wembley
Chelmsford
Maidstone
Wokingham
Croydon
Feltham
Uxbridge
Newport
Staines-upon-Thames
Milton Keynes
Dover
Guildford
Why use momondo?
Why should I use momondo to find a flight deal from Ontario to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Ontario to London. momondo saves you time and could save you money on your trip.
Can I find flights from Ontario to London with flexible booking policies on momondo?
Yes. All flights to London from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from Ontario to London?
Once all potential Ontario to London 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 Ontario to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Ontario to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.