£177+ 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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
6 Apr — 13 Apr1
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 7 March 2026.

Thu 30/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Tue 12/523:10
YYZ
-
LGW
1 stop31h 35m
Icelandair
Deal found 2/3£335
Wed 29/422:45
STN
-
YYZ
1 stop19h 35m
Multiple Airlines
Tue 5/518:15
YYZ
-
STN
2 stops23h 05m
Multiple Airlines
Deal found 4/3£336
Sat 26/917:40
LHR
-
YYZ
Nonstop7h 50m
Air Canada
Sat 3/1023:50
YYZ
-
LHR
Nonstop7h 00m
Air Canada
Deal found 5/3£337
Tue 7/406:30
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Mon 13/422:00
YYZ
-
STN
1 stop14h 05m
Multiple Airlines
Deal found 5/3£337
Fri 29/512:40
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Fri 12/613:50
YYZ
-
LGW
1 stop13h 05m
Air Transat
Deal found 4/3£338
Fri 15/511:35
LGW
-
YYZ
2 stops25h 34m
Air Transat
Sun 24/522:45
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Deal found 3/3£339
Tue 21/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Tue 28/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 6/3£340
Fri 17/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Fri 24/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 3/3£340
Thu 30/406:30
STN
-
YYZ
1 stop11h 50m
Multiple Airlines
Tue 5/518:15
YYZ
-
STN
2 stops23h 05m
Multiple Airlines
Deal found 4/3£341
Mon 16/313:25
LHR
-
YTZ
1 stop12h 10m
Air Canada
Mon 30/315:35
YTZ
-
LHR
1 stop9h 55m
Air Canada
Deal found 5/3£341
Tue 21/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Sat 25/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 6/3£342
Wed 22/420:50
LGW
-
YYZ
1 stop22h 25m
Multiple Airlines
Wed 13/522:45
YYZ
-
LGW
Nonstop7h 00m
Multiple Airlines
Deal found 6/3£343

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 7 March 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 7 March 2026.

Return from

£335

One-way from

£257

Popular in

December

Cheapest in

September

Average price

£436

Good round-trip deal

£382 or less

Good one-way deal

£279 or less
Icelandair
  • Icelandair
  • 30/4-12/5
  • 2 total stops
  • 43h 00m total
  • London to Toronto
Icelandair
  • Icelandair
  • 20/5
  • 1 total stop
  • 14h 00m total
  • London to Ontario
Highest demand for flights based on searches. 5% potential increase in price (£24 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).
Average for return flights in March 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 7 March 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 22/4

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Sun 26/4

20:45-14:40

1 stop12h 55m

£371

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 25/4

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Tue 12/5

23:10-14:40

1 stop10h 30m

£377

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 22/4

13:05-19:10

1 stop11h 05m

Toronto Pearson Intl

Sun 26/4

20:45-11:55

1 stop10h 10m

£411

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 10/7

09:40-16:33

1 stop11h 53m

Toronto Island

Wed 9/9

18:55-09:50

1 stop9h 55m

£429

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 14/4

12:40-00:35

1 stop16h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 28/4

19:20-10:45

1 stop10h 25m

£432

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 7/5

19:30-15:40

1 stop25h 10m

Toronto Pearson Intl

Sun 10/5

17:10-16:25

2 stops18h 15m

£435

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 26/6

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Mon 29/6

23:10-14:40

1 stop10h 30m

£436

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 28/5

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Thu 11/6

20:45-14:40

1 stop12h 55m

£436

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 12/7

09:40-18:58

1 stop14h 18m

Toronto Island

Wed 9/9

18:55-09:50

1 stop9h 55m

£439

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 24/5

09:40-16:33

1 stop11h 53m

Toronto Island

Sun 7/6

16:55-07:55

1 stop10h 00m

£447

Flights are sorted by cheapest return flights first.

Deals found on 4/3

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 16 hours 36 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.

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from London to Ontario are SWISS, TAP AIR PORTUGAL 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).

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 7 March 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 7 March 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.

Entertainment

7.0

Crew

8.5

Comfort

7.3

Overall

7.7

Boarding

7.9

Food

6.8

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.

Entertainment

7.0

Crew

8.5

Comfort

7.3

Overall

7.7

Boarding

7.9

Food

6.8

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.

Entertainment

7.0

Crew

8.5

Comfort

7.3

Overall

7.7

Boarding

7.9

Food

6.8

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.

Entertainment

7.0

Crew

8.5

Comfort

7.3

Overall

7.7

Boarding

7.9

Food

6.8

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.

Entertainment

7.0

Crew

8.5

Comfort

7.3

Overall

7.7

Boarding

7.9

Food

6.8

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.

Entertainment

7.0

Crew

8.5

Comfort

7.3

Overall

7.7

Boarding

7.9

Food

6.8

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, Air Canada is rated the highest out of the airlines that fly to Ontario.

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

    Toronto Region of Waterloo Intl is currently the cheapest airport to fly to in Ontario. One-way flights to Toronto Region of Waterloo Intl typically cost £42, while return flights cost around £55.

  • How much is a return flight to Ontario?

    A return flight to Ontario will typically cost around £328, however they can be found for as little as £55.

  • 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).

  • 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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