£221+ Cheap flights to Ontario
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
Flights to Ontario in 2025
Find the latest flights to Ontario in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 25 March 2025.
Find flights to Ontario
Browse one-way and return flights deals to Ontario on Cheapflights. Flight deals are based on user searches and were last updated on 25 March 2025
Explore Ontario
Find flight deals to Ontario
Cheapest flights to OntarioExplore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 25 March 2025.
Cheapflights Fare Finder
Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 25 March 2025.
Use the filters below to find and compare flights to Ontario that are best for you.
Fly from
Route
Depart
Return
Price
LondonToronto
LHR - YYZ
LHRYYZ
London Heathrow
Sat 19/4
08:30-11:20
Nonstop7h 50m
Toronto Pearson Intl
Sun 27/4
23:35-11:50
Nonstop7h 15m
LondonToronto
LGW - YYZ
LGWYYZ
London Gatwick
Sat 3/5
15:40-21:55
1 stop11h 15m
Toronto Pearson Intl
Sun 11/5
20:50-14:40
1 stop12h 50m
LondonToronto
LHR - YTZ
LHRYTZ
London Heathrow
Sat 3/5
06:00-17:50
2 stops16h 50m
Toronto Island
Sun 4/5
08:25-06:30
1 stop17h 05m
LondonToronto
LHR - YYZ
LHRYYZ
London Heathrow
Thu 24/4
08:40-16:20
1 stop12h 40m
Toronto Pearson Intl
Thu 1/5
16:00-06:30
1 stop9h 30m
LondonToronto
LGW - YTZ
LGWYTZ
London Gatwick
Sun 11/5
11:35-22:20
1 stop15h 45m
Toronto Island
Mon 2/6
18:55-09:50
1 stop9h 55m
LondonToronto
LGW - YYZ
LGWYYZ
London Gatwick
Sun 4/5
11:35-08:13
1 stop25h 38m
Toronto Pearson Intl
Mon 12/5
22:45-10:45
Nonstop7h 00m
LondonToronto
LHR - YYZ
LHRYYZ
London Heathrow
Mon 5/5
06:30-13:20
1 stop11h 50m
Toronto Pearson Intl
Mon 19/5
22:30-10:40
Nonstop7h 10m
LondonToronto
LHR - YYZ
LHRYYZ
London Heathrow
Thu 1/5
06:00-16:25
1 stop15h 25m
Toronto Pearson Intl
Wed 7/5
20:15-16:25
1 stop15h 10m
LondonToronto
STN - YYZ
STNYYZ
London Stansted
Fri 13/6
22:50-14:10
1 stop20h 20m
Toronto Pearson Intl
Sun 6/7
21:15-19:30
1 stop17h 15m
LondonToronto
LHR - YYZ
LHRYYZ
London Heathrow
Sat 3/5
14:45-20:55
1 stop11h 10m
Toronto Pearson Intl
Sun 11/5
22:30-10:40
Nonstop7h 10m
Best time to book a flight to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight to Ontario
How long is the flight to Ontario?
On average, a flight from London to Ontario takes 16 hours 35 minutes. Flights to Ontario from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.
When is the cheapest time to fly to Ontario?
Use this chart to determine the cheapest time to fly return from London to Ontario. Price data was last updated on 31 March 2024.
Users looking for the lowest fares to Ontario should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday evenings, when prices are usually at their highest.
Weekly flight availability to Ontario
The most flights from London to Ontario are scheduled on a Saturday (34 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (20 on average).
What are the most popular airlines that fly to Ontario?
The most popular airlines flying from London to Ontario are Air Canada, Lufthansa and Air Transat.
What are the cheapest airlines that fly to Ontario?
The cheapest airlines flying from London to Ontario are Aer Lingus, PLAY and Icelandair.
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Ontario ranges from 51.0 - 83.0 inches per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Ontario when rainfall is around 51.0 mm.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).
What are the most popular places to fly to in Ontario?
Destination popularity is based on the amount of flight searches to Ontario in the last few years. This data was updated on 25 March 2025.
The most popular places in Ontario to fly to are Toronto and Ottawa.
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 25 March 2025.
To help decide which airline to fly to Ontario, see what other customers have to say about Delta, KLM and Air Transat. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
Crew
Food
Comfort
Boarding
Entertainment
Reviews
Colin,Sept 2024
LHR - BOS
Overall
Crew
Food
Comfort
Boarding
Entertainment
Reviews
Colin,Sept 2024
LHR - BOS
Overall
Crew
Food
Comfort
Boarding
Entertainment
Reviews
Colin,Sept 2024
LHR - BOS
Overall
Crew
Food
Comfort
Boarding
Entertainment
Reviews
Colin,Sept 2024
LHR - BOS
Overall
Crew
Food
Comfort
Boarding
Entertainment
Reviews
Colin,Sept 2024
LHR - BOS
Overall
Crew
Food
Comfort
Boarding
Entertainment
Reviews
Colin,Sept 2024
LHR - BOS
FAQs about flying to Ontario
Getting around Ontario
Renting a car is often the best way to really explore Ontario. Reserve a rental car when you book your flight to Ontario, especially if you’re travelling during the peak season.
Bike paths and hiking trails are flanked throughout the province and many tourism offices have trail maps or guided tours for your convenience.
What is good to know if travelling to Ontario?- Don’t miss a trip to Niagara Falls. One of the most spectacular natural wonders in the world, Niagara Falls also includes plenty of parkland and wilderness attractions.
- Sault Ste. Marie is located on Lake Superior on the US border with Michigan and hosts endless scenery of natural beauty. Take a train trip through the Agawa Canyon or a cruise through the Soo Locks.
- If you’re visiting Toronto, save yourself some money and purchase a Toronto CityPass, which allows you to enter the top attractions at discounted prices. Each booklet of tickets is valid for nine days from when the first one is used. You can buy the package at the Royal Ontario Museum, the Art Gallery of Ontario, the Ontario Science Center, the CN Tower, Casa Loma, and the Toronto Zooany or online at www.citypass.com.
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Find flights to Ontario cities and airports
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How does Cheapflights help users find flights to Ontario?
Cheapflights makes it easy to find Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets to Ontario?
Cheapflights simply makes it quick and affordable to book flights to Ontario by bringing together all flight options from hundreds of airlines and agencies online — and we put them in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights to Ontario with no change fees?
Yes, we can. To see specific flights to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights to Ontario become cheaper?
Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Ontario today and book when you’re ready!