£202+ 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 15/6. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 9 June 2026.

Mon 15/611:35
LGW
-
YTZ
1 stop10h 50m
Air Transat
Sun 5/718:55
YTZ
-
LGW
1 stop9h 55m
Air Transat
Deal found 8/6£423
Tue 8/1209:30
LHR
-
YYZ
1 stop15h 15m
Multiple Airlines
Tue 29/1206:15
YYZ
-
LHR
1 stop9h 20m
Multiple Airlines
Deal found 9/6£423
Thu 25/622:05
STN
-
YYZ
2 stops20h 15m
Multiple Airlines
Sun 28/619:15
YYZ
-
STN
1 stop23h 25m
Multiple Airlines
Deal found 9/6£423
Fri 12/612:40
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Thu 18/622:45
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Deal found 9/6£423
Wed 1/718:40
LHR
-
YTZ
2 stops28h 11m
SWISS
Sun 5/718:30
YTZ
-
LHR
2 stops42h 20m
SWISS
Deal found 9/6£423
Thu 25/612:40
LTN
-
YYZ
2 stops29h 40m
Multiple Airlines
Tue 25/822:15
YYZ
-
LTN
1 stop19h 10m
Multiple Airlines
Deal found 9/6£423
Fri 26/609:40
LGW
-
YTZ
1 stop29h 58m
Air Transat
Wed 15/716:55
YTZ
-
LGW
1 stop11h 55m
Air Transat
Deal found 8/6£423
Fri 4/907:25
LHR
-
YYZ
1 stop12h 30m
Lufthansa
Sun 20/921:35
YYZ
-
LHR
Nonstop7h 00m
Lufthansa
Deal found 8/6£423
Mon 13/708:30
STN
-
YYZ
2 stops33h 50m
Multiple Airlines
Tue 4/822:15
YYZ
-
STN
1 stop29h 35m
Multiple Airlines
Deal found 9/6£423
Wed 10/610:45
LGW
-
YYZ
1 stop11h 25m
WestJet
Fri 12/618:20
YYZ
-
LGW
1 stop10h 05m
WestJet
Deal found 9/6£423
Fri 21/806:20
LTN
-
YYZ
1 stop12h 00m
Multiple Airlines
Tue 1/907:35
YYZ
-
LTN
2 stops26h 55m
Multiple Airlines
Deal found 8/6£424
Mon 15/611:35
LGW
-
YTZ
1 stop10h 50m
Air Transat
Tue 23/611:55
YTZ
-
LGW
1 stop15h 00m
Air Transat
Deal found 8/6£424

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 9 June 2026
Explore Ontario

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, 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 9 June 2026.

Return from

£423

One-way from

£253

Popular in

August

Cheapest in

February

Average price

£465

Good round-trip deal

£386 or less

Good one-way deal

£311 or less
Icelandair
  • Icelandair
  • 7/9-11/9
  • 2 total stops
  • 45h 50m total
  • London to Toronto
20/6
  • 20/6
  • 2 total stops
  • 20h 55m total
  • London to Ontario
Highest demand for flights based on searches. 8% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for return flights in June 2026
Price to beat on a round-trip flight from London to Ontario.
Price to beat on a one-way flight from London to Ontario.

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 9 June 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 16/9

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Thu 24/9

20:45-14:40

1 stop12h 55m

£425

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 30/6

09:40-16:33

1 stop11h 53m

Toronto Island

Fri 17/7

16:55-07:55

1 stop10h 00m

£427

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Sat 19/9

07:55-17:10

1 stop14h 15m

Toronto Pearson Intl

Sun 27/9

23:45-19:20

1 stop14h 35m

£428
Fastest return journey

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 16/9

09:50-15:50

1 stop11h 00m

Toronto Pearson Intl

Thu 24/9

22:00-10:15

Nonstop7h 15m

£440

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 25/6

09:30-15:08

1 stop10h 38m

Toronto Pearson Intl

Thu 2/7

16:05-06:30

1 stop9h 25m

£447

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Sun 20/9

07:50-17:10

1 stop14h 20m

Toronto Pearson Intl

Sun 27/9

23:45-21:45

1 stop17h 00m

£454

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 23/6

07:30-22:23

2 stops19h 53m

Toronto Pearson Intl

Tue 30/6

12:45-06:55

1 stop13h 10m

£462

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 5/9

07:30-19:00

2 stops16h 30m

Toronto Pearson Intl

Sat 19/9

18:55-10:40

1 stop10h 45m

£462

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 26/8

07:30-22:23

2 stops19h 53m

Toronto Pearson Intl

Fri 4/9

20:55-21:25

1 stop19h 30m

£462

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 19/6

06:50-19:00

2 stops17h 10m

Toronto Pearson Intl

Mon 22/6

11:00-06:45

1 stop14h 45m

£463

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 33 resultsSorted by cheapest first
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 15 hours 1 minute. 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.

Weekly flight availability to Ontario

The most flights from London to Ontario are scheduled on a Friday (42 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (36 on average).

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from London to Ontario are SWISS, Icelandair and Delta.

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).

When is the best time to book a flight to Ontario?

The price you pay for your flight to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 9 June 2026.
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 9 June 2026.
Get a feel of what it's like to fly with Air Transat,Virgin Atlantic, andAir Canada to Canada by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

6.8

Entertainment

7.1

Crew

8.5

Boarding

7.9

Comfort

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Food

6.8

Entertainment

7.1

Crew

8.5

Boarding

7.9

Comfort

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Food

6.8

Entertainment

7.1

Crew

8.5

Boarding

7.9

Comfort

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Food

6.8

Entertainment

7.1

Crew

8.5

Boarding

7.9

Comfort

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Food

6.8

Entertainment

7.1

Crew

8.5

Boarding

7.9

Comfort

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

Food

6.8

Entertainment

7.1

Crew

8.5

Boarding

7.9

Comfort

7.3

Overall

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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.
  • Can I find cheaper flights to Ontario if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, WestJet is rated the highest out of the airlines that fly to Ontario.

  • What is the cheapest airport to fly to in Ontario?

    Toronto Pearson Intl is currently the cheapest airport to fly to in Ontario. One-way flights to Toronto Pearson Intl typically cost £53, while return flights cost around £72.

  • How much is a return flight to Ontario?

    A return flight to Ontario will typically cost around £212, however they can be found for as little as £72.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, Edinburgh Turnhouse offers the quickest one-way flight (6 hours 35 minutes).

  • Which airport is closest to TIFF Bell Lightbox?

    f being close to TIFF Bell Lightbox is important to you, you’ll want to land at Toronto Pearson Intl Airport.

  • Does Toronto Pearson Intl have car hire?

    Yes. Those touching down at Toronto Pearson Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Toronto Pearson Intl?

    Yes. Toronto Pearson Intl has hotels nearby for those requiring accommodations. Sheraton Gateway Hotel in Toronto International Airport is the closest property to Toronto Pearson Intl (0.0 mi away from Toronto Pearson Intl).

See more FAQs

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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!

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