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£217+ 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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
14 Jul — 21 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 14 June 2026.

Mon 29/621:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Tue 20/1020:45
YYZ
-
LHR
1 stop18h 35m
Icelandair
Deal found 13/6£421
Thu 25/621:40
LTN
-
YYZ
1 stop20h 40m
Multiple Airlines
Fri 3/723:55
YYZ
-
LTN
1 stop19h 35m
Multiple Airlines
Deal found 12/6£421
Tue 30/609:40
LGW
-
YTZ
1 stop11h 53m
Air Transat
Thu 16/718:55
YTZ
-
LGW
1 stop9h 55m
Air Transat
Deal found 9/6£421
Tue 7/708:10
STN
-
YYZ
1 stop11h 00m
Multiple Airlines
Wed 15/721:55
YYZ
-
STN
1 stop17h 25m
Multiple Airlines
Deal found 11/6£421
Mon 29/611:35
LGW
-
YYZ
1 stop12h 03m
Air Transat
Fri 10/723:15
YYZ
-
LGW
1 stop29h 35m
Air Transat
Deal found 9/6£421
Tue 3/1106:50
LHR
-
YTZ
2 stops13h 05m
Air Canada
Sat 14/1108:20
YTZ
-
LHR
2 stops17h 50m
Air Canada
Deal found 10/6£421
Wed 9/909:30
LHR
-
YYZ
1 stop11h 50m
Lufthansa
Tue 15/918:35
YYZ
-
LHR
Nonstop7h 00m
Lufthansa
Deal found 9/6£421
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£421
Fri 3/709:40
LGW
-
YTZ
1 stop17h 13m
Air Transat
Sat 11/710:55
YTZ
-
LGW
1 stop17h 55m
Air Transat
Deal found 11/6£421
Tue 7/708:10
STN
-
YYZ
1 stop11h 00m
Multiple Airlines
Tue 8/921:55
YYZ
-
STN
1 stop19h 45m
Multiple Airlines
Deal found 12/6£421
Wed 1/722:00
LGW
-
YYZ
2 stops22h 00m
Multiple Airlines
Sun 19/718:15
YYZ
-
LGW
2 stops12h 45m
Multiple Airlines
Deal found 10/6£421
Thu 25/614:05
LHR
-
YTZ
1 stop22h 46m
Air Canada
Fri 3/710:50
YTZ
-
LHR
1 stop14h 40m
Air Canada
Deal found 11/6£421

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 14 June 2026
Explore Ontario
Flights to Toronto
Flights to Ottawa
Flights to Windsor
Flights to London
Flights to Thunder Bay
Flights to Timmins
Flights to North Bay

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 14 June 2026.

Return from

£421

One-way from

£254

Popular in

August

Cheapest in

February

Average price

£462

Good round-trip deal

£384 or less

Good one-way deal

£309 or less
Icelandair
  • Icelandair
  • 29/6-22/10
  • 2 total stops
  • 36h 55m total
  • London to Toronto
Search Deals
18/9
  • 18/9
  • 1 total stop
  • 14h 30m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for return flights in June 2026
Search Deals
Price to beat on a round-trip flight from London to Ontario.
Search Deals
Price to beat on a one-way flight from London to Ontario.
Search Deals

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 14 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 - YTZ

LGWYTZ

London Gatwick

Sun 30/8

09:40-16:33

1 stop11h 53m

Toronto Island

Wed 9/9

18:55-09:50

1 stop9h 55m

£427

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 10/7

09:40-18:58

1 stop14h 18m

Toronto Island

Fri 24/7

16:55-07:55

1 stop10h 00m

£429

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 16/10

06:20-15:50

1 stop14h 30m

Toronto Pearson Intl

Wed 21/10

18:05-06:15

Nonstop7h 10m

£437

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 7/7

09:40-16:33

1 stop11h 53m

Toronto Island

Mon 20/7

18:55-09:50

1 stop9h 55m

£441

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 23/8

13:05-20:15

1 stop12h 10m

Toronto Island

Mon 31/8

18:55-09:50

1 stop9h 55m

£443

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Thu 8/10

06:00-17:10

1 stop16h 10m

Toronto Pearson Intl

Wed 14/10

23:45-21:50

1 stop17h 05m

£444

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Tue 29/9

09:40-17:10

1 stop12h 30m

Toronto Pearson Intl

Wed 14/10

23:45-19:30

1 stop14h 45m

£445

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Fri 10/7

21:55-13:40

1 stop20h 45m

Toronto Pearson Intl

Mon 13/7

22:15-15:15

1 stop12h 00m

£447

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 8/7

06:50-20:11

2 stops18h 21m

Toronto Island

Fri 24/7

15:15-06:55

1 stop10h 40m

£456

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 8/10

07:30-22:23

2 stops19h 53m

Toronto Pearson Intl

Mon 12/10

06:25-05:55

1 stop18h 30m

£460

Flights are sorted by cheapest return flights first.

Deals found on 9/6

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 17 hours 38 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 (42 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (22 on average).

What are the most popular airlines that fly to Ontario?

The most popular airlines flying from London to Ontario are Air Canada, Air Transat and Lufthansa.

Air Canada
Air Canada
From £276
Air Transat
Air Transat
From £311
Lufthansa
Lufthansa
From £340
Virgin Atlantic
Virgin Atlantic
From £334

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 63 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 14 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 14 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.
Air Transat
7.8
Good
555 reviews
Check prices

Overall

7.8

Comfort

7.3

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

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.
Air Transat
7.8
Good
555 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Overall

7.8

Comfort

7.3

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

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.
Virgin Atlantic
7.5
Good
690 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Overall

7.8

Comfort

7.3

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

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.
Air Canada
7.1
Good
11,176 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Overall

7.8

Comfort

7.3

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

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.
Lufthansa
6.8
Okay
8,057 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Overall

7.8

Comfort

7.3

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

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.
British Airways
6.7
Okay
8,047 reviews
Air Transat
7.8
Good
555 reviews
Check prices

Overall

7.8

Comfort

7.3

Entertainment

7.1

Food

6.8

Crew

8.5

Boarding

7.9

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 £211, 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).

  • 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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Why should you use Cheapflights to find cheap flight tickets to Ontario?

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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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