£194+ 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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
24 Mar — 31 Mar1
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 22 February 2026.

Wed 4/320:35
LHR
-
YYZ
1 stop26h 40m
Icelandair
Wed 18/320:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 20/2£321
Sat 18/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Sat 25/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 19/2£321
Tue 3/320:35
LHR
-
YYZ
1 stop26h 40m
Icelandair
Tue 10/320:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 19/2£322
Wed 15/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Wed 6/523:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 21/2£322
Thu 16/421:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Tue 28/420:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Deal found 22/2£323
Tue 21/406:30
STN
-
YYZ
1 stop12h 45m
Multiple Airlines
Tue 28/418:15
YYZ
-
STN
2 stops18h 20m
Multiple Airlines
Deal found 20/2£323
Fri 17/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Sat 25/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 22/2£323
Fri 6/320:35
LHR
-
YYZ
1 stop26h 40m
Icelandair
Mon 9/320:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 19/2£323
Mon 13/422:45
STN
-
YYZ
1 stop20h 30m
Multiple Airlines
Sun 26/421:35
YYZ
-
STN
1 stop10h 20m
Multiple Airlines
Deal found 20/2£323
Fri 15/515:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Fri 22/520:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 20/2£323
Wed 11/320:35
LHR
-
YYZ
1 stop26h 40m
Icelandair
Wed 18/320:40
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 19/2£324
Tue 28/422:00
STN
-
YYZ
1 stop20h 20m
Multiple Airlines
Fri 12/622:15
YYZ
-
STN
1 stop13h 00m
Multiple Airlines
Deal found 19/2£324

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 22 February 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 22 February 2026.

Return from

£321

One-way from

£255

Popular in

December

Cheapest in

September

Average price

£377

Good round-trip deal

£372 or less

Good one-way deal

£295 or less
Icelandair
  • Icelandair
  • 4/3-18/3
  • 2 total stops
  • 36h 50m total
  • London to Toronto
Icelandair
  • Icelandair
  • 24/4
  • 1 total stop
  • 11h 05m total
  • London to Ontario
Highest demand for flights based on searches. 5% potential increase in price (£26 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 February 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 22 February 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 15/5

13:05-19:10

1 stop11h 05m

Toronto Pearson Intl

Fri 22/5

20:45-11:55

1 stop10h 10m

£360

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 12/5

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Tue 26/5

23:10-14:40

1 stop10h 30m

£388

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 1/5

12:40-19:30

1 stop11h 50m

Montreal Pierre Elliott Trudeau Intl

Tue 12/5

22:05-09:50

Nonstop6h 45m

£395

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 5/5

06:40-15:40

1 stop14h 00m

Toronto Pearson Intl

Sat 23/5

17:10-09:20

1 stop11h 10m

£398

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Tue 14/4

06:30-11:50

1 stop10h 20m

Toronto Pearson Intl

Tue 21/4

21:15-21:20

2 stops19h 05m

£403

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 14/4

19:50-15:40

2 stops24h 50m

Toronto Pearson Intl

Tue 21/4

17:10-16:25

2 stops18h 15m

£408

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sun 24/5

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 9/10

16:40-10:45

2 stops13h 05m

£409

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 15/5

09:40-16:33

1 stop11h 53m

Toronto Island

Sun 24/5

16:55-07:55

1 stop10h 00m

£414

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sun 24/5

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 8/10

22:05-09:50

Nonstop6h 45m

£418

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Wed 6/5

06:15-15:50

1 stop14h 35m

Toronto Pearson Intl

Wed 13/5

17:35-09:00

1 stop10h 25m

£422

Flights are sorted by cheapest return flights first.

Deals found on 19/2

Showing 1-10 of 33 results
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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 34 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.

Weekly flight availability to Ontario

The most flights from London to Ontario are scheduled on a Friday (37 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (23 on average).

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 22 February 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 22 February 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.

Crew

8.4

Entertainment

7.0

Boarding

7.9

Overall

7.7

Comfort

7.3

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.

Crew

8.4

Entertainment

7.0

Boarding

7.9

Overall

7.7

Comfort

7.3

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.

Crew

8.4

Entertainment

7.0

Boarding

7.9

Overall

7.7

Comfort

7.3

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.

Crew

8.4

Entertainment

7.0

Boarding

7.9

Overall

7.7

Comfort

7.3

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.

Crew

8.4

Entertainment

7.0

Boarding

7.9

Overall

7.7

Comfort

7.3

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.

Crew

8.4

Entertainment

7.0

Boarding

7.9

Overall

7.7

Comfort

7.3

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 £76.

  • How much is a return flight to Ontario?

    A return flight to Ontario will typically cost around £133, however they can be found for as little as £76.

  • 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 55 minutes).

  • Which airport is closest to Colossus Woodbridge?

    f being close to Colossus Woodbridge 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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