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£196+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
27 Jun — 4 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 28 May 2026.

Mon 5/1021:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Fri 9/1023:10
YYZ
-
LHR
1 stop16h 10m
Icelandair
Deal found 26/5£424
Mon 15/620:50
STN
-
YYZ
3 stops30h 10m
Multiple Airlines
Thu 18/623:05
YYZ
-
STN
1 stop18h 20m
Multiple Airlines
Deal found 23/5£424
Wed 3/611:35
LGW
-
YYZ
1 stop11h 05m
Air Transat
Wed 10/622:45
YYZ
-
LGW
Nonstop7h 00m
Air Transat
Deal found 24/5£424
Fri 5/609:40
LGW
-
YTZ
1 stop31h 23m
Air Transat
Mon 15/619:05
YTZ
-
LGW
1 stop31h 50m
Air Transat
Deal found 24/5£425
Fri 24/706:20
LTN
-
YYZ
2 stops20h 45m
Multiple Airlines
Wed 5/823:10
YYZ
-
LTN
2 stops17h 05m
Multiple Airlines
Deal found 25/5£425
Thu 2/706:30
STN
-
YYZ
2 stops22h 55m
Multiple Airlines
Tue 7/721:55
YYZ
-
STN
2 stops18h 25m
Multiple Airlines
Deal found 23/5£425
Sat 30/511:35
LGW
-
YYZ
1 stop12h 03m
Air Transat
Tue 9/615:40
YYZ
-
LGW
1 stop13h 10m
Air Transat
Deal found 23/5£425
Mon 8/611:35
LGW
-
YTZ
1 stop10h 50m
Air Transat
Thu 2/718:55
YTZ
-
LGW
1 stop9h 55m
Air Transat
Deal found 25/5£426
Thu 23/705:40
LTN
-
YYZ
2 stops23h 45m
Multiple Airlines
Tue 28/721:55
YYZ
-
LTN
2 stops19h 15m
Multiple Airlines
Deal found 25/5£426
Mon 7/921:25
LHR
-
YYZ
1 stop26h 45m
Icelandair
Tue 15/920:45
YYZ
-
LHR
1 stop10h 10m
Icelandair
Deal found 26/5£426
Mon 13/708:00
STN
-
YYZ
1 stop11h 10m
Multiple Airlines
Tue 28/721:55
YYZ
-
STN
1 stop19h 45m
Multiple Airlines
Deal found 25/5£426
Thu 3/909:40
LGW
-
YYZ
Nonstop8h 05m
Air Transat
Sun 13/918:00
YYZ
-
LGW
1 stop10h 50m
Air Transat
Deal found 24/5£426

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 28 May 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 28 May 2026.

Return from

£424

One-way from

£258

Popular in

December

Cheapest in

February

Average price

£464

Good round-trip deal

£381 or less

Good one-way deal

£314 or less
Icelandair
  • Icelandair
  • 5/10-9/10
  • 2 total stops
  • 42h 55m total
  • London to Toronto
Search Deals
13/7
  • 13/7
  • 3 total stops
  • 34h 15m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for return flights in May 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 28 May 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 17/6

09:40-12:45

Nonstop8h 05m

Toronto Pearson Intl

Thu 2/7

19:10-09:50

1 stop9h 40m

£430

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 7/6

09:40-16:33

1 stop11h 53m

Toronto Island

Fri 19/6

16:55-07:55

1 stop10h 00m

£431

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 28/6

13:05-20:15

1 stop12h 10m

Toronto Island

Sat 11/7

16:55-09:50

1 stop11h 55m

£446

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 28/6

11:35-18:38

1 stop12h 03m

Toronto Pearson Intl

Mon 13/7

19:50-07:55

Nonstop7h 05m

£450

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 16/10

10:35-21:05

1 stop15h 30m

Toronto Pearson Intl

Sun 1/11

17:25-15:45

1 stop17h 20m

£464

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Mon 15/6

06:40-16:45

1 stop15h 05m

Toronto Pearson Intl

Sat 20/6

19:15-10:20

1 stop10h 05m

£464

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Mon 14/9

19:25-11:00

1 stop20h 35m

Toronto Pearson Intl

Mon 21/9

19:15-17:10

1 stop16h 55m

£466

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Thu 11/6

19:30-14:25

1 stop23h 55m

Toronto Pearson Intl

Tue 23/6

19:15-22:50

1 stop22h 35m

£467

LondonToronto

SEN - YYZ

SENYYZ

London Southend

Wed 9/9

16:50-17:10

1 stop29h 20m

Toronto Pearson Intl

Sat 19/9

23:45-19:35

1 stop14h 50m

£467

LondonToronto

LTN - YYZ

LTNYYZ

London Luton

Mon 7/9

18:05-14:40

1 stop25h 35m

Toronto Pearson Intl

Wed 23/9

21:30-18:30

1 stop16h 00m

£468

Flights are sorted by cheapest return flights first.

Deals found on 27/5

Showing 1-10 of 33 resultsSorted by cheapest first
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2
3
4

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 3 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 Thursday (41 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 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.

Air Canada
Air Canada
From £275
Air Transat
Air Transat
From £311
Lufthansa
Lufthansa
From £333
Virgin Atlantic
Virgin Atlantic
From £333

What are the cheapest airlines that fly to Ontario?

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

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 78 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 28 May 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 28 May 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
553 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Overall

7.8

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

Crew

8.5

Comfort

7.3

Entertainment

7.1

Overall

7.8

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.
Virgin Atlantic
7.5
Good
689 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Overall

7.8

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.
Air Canada
7.1
Good
11,092 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Overall

7.8

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.
Lufthansa
6.8
Okay
8,032 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Overall

7.8

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.
British Airways
6.7
Okay
8,007 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Comfort

7.3

Entertainment

7.1

Overall

7.8

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, 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 £58, while return flights cost around £72.

  • How much is a return flight to Ontario?

    A return flight to Ontario will typically cost around £225, 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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