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£279+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals to Ontario

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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 21 November 2025.

Wed 3/1212:15LHR - YYZ
1 stop11h 00mIcelandair
Tue 10/219:40YYZ - LHR
1 stop18h 50mIcelandair
Deal found 19/11£387
Wed 19/1109:00LHR - YYZ
1 stop12h 10mMultiple Airlines
Thu 27/1123:10YYZ - LHR
1 stop27h 00mMultiple Airlines
Deal found 18/11£388
Tue 2/1209:00LHR - YTZ
2 stops13h 55mMultiple Airlines
Wed 11/212:30YTZ - LHR
2 stops13h 40mMultiple Airlines
Deal found 19/11£388
Thu 20/1109:00LHR - YYZ
1 stop12h 10mMultiple Airlines
Sun 30/1121:15YYZ - LHR
1 stop18h 20mMultiple Airlines
Deal found 19/11£389
Mon 24/1106:00LHR - YTZ
2 stops16h 55mMultiple Airlines
Tue 2/1208:50YTZ - LHR
2 stops17h 20mMultiple Airlines
Deal found 18/11£389
Mon 8/1209:30LHR - YYZ
1 stop11h 45mLufthansa
Tue 17/214:00YYZ - LHR
2 stops15h 45mLufthansa
Deal found 18/11£389
Fri 21/1109:00LHR - YTZ
2 stops13h 55mMultiple Airlines
Mon 24/1115:30YTZ - LHR
1 stop10h 40mMultiple Airlines
Deal found 19/11£389
Sat 22/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Tue 2/1221:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 19/11£390
Fri 21/1109:00LHR - YTZ
2 stops13h 55mMultiple Airlines
Wed 26/1110:25YTZ - LHR
1 stop17h 55mMultiple Airlines
Deal found 19/11£390
Sun 23/1109:30LHR - YYZ
1 stop11h 45mLufthansa
Sat 29/1118:15YYZ - LHR
1 stop11h 30mLufthansa
Deal found 19/11£391
Sat 22/1109:00LHR - YTZ
2 stops13h 55mMultiple Airlines
Wed 26/1112:30YTZ - LHR
2 stops14h 35mMultiple Airlines
Deal found 20/11£391
Tue 2/1207:40LHR - YYZ
1 stop12h 10mLufthansa
Sun 7/1218:10YYZ - LHR
Nonstop7h 20mLufthansa
Deal found 20/11£392

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 21 November 2025
Explore Ontario
Flights to Toronto
Flights to Ottawa
Flights to Windsor
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Flights to Thunder Bay
Flights to Timmins

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, 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 21 November 2025.

Return from

£387

One-way from

£279

Popular in

December

Cheapest in

February

Average price

£418

Good round-trip deal

£453 or less

Good one-way deal

£343 or less
Icelandair
  • Icelandair
  • 3/12-10/2
  • 2 total stops
  • 29h 50m total
  • London to Toronto
Search Deals
11/12
  • 11/12
  • 3 total stops
  • 38h 18m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for return flights in November 2025
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 21 November 2025.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 13/2

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Mon 2/3

21:35-09:45

Nonstop7h 10m

£389

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Tue 9/12

09:00-17:55

2 stops13h 55m

Toronto Island

Sun 14/12

08:50-07:10

2 stops41h 20m

£392

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 5/2

19:25-19:55

2 stops29h 30m

Toronto Island

Tue 10/2

12:30-07:10

2 stops13h 40m

£392

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 5/2

19:25-19:55

2 stops29h 30m

Toronto Island

Sun 8/2

12:30-07:10

2 stops13h 40m

£392

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 13/1

18:40-17:55

2 stops28h 15m

Toronto Island

Tue 20/1

10:30-17:50

2 stops26h 20m

£395

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 8/3

11:55-19:15

1 stop11h 20m

Toronto Pearson Intl

Wed 11/3

20:40-10:55

1 stop10h 15m

£397

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 22/1

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Mon 26/1

19:40-10:55

1 stop10h 15m

£397

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 22/1

18:40-18:50

2 stops29h 10m

Toronto Pearson Intl

Mon 26/1

20:25-17:50

1 stop16h 25m

£398

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 7/3

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Sat 14/3

22:35-09:45

Nonstop7h 10m

£398

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 1/3

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Thu 19/3

20:40-10:55

1 stop10h 15m

£399

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 32 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 17 hours 22 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.

When is the cheapest time to fly to Ontario?

Use this chart to determine the cheapest time to fly return from London to Ontario. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Ontario should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Thursday evenings, when prices are usually at their highest.

Weekly flight availability to Ontario

The most flights from London to Ontario are scheduled on a Wednesday (37 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 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 Virgin Atlantic.

Air Canada
Air Canada
From £41
Air Transat
Air Transat
From £300
Lufthansa
Lufthansa
From £307
Virgin Atlantic
Virgin Atlantic
From £340

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from London to Ontario are PLAY, Icelandair and Lufthansa.

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 21 November 2025.
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 21 November 2025.
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
475 reviews
Check prices

Entertainment

7.1

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
475 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Entertainment

7.1

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Virgin Atlantic
7.5
Good
674 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Entertainment

7.1

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,463 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Entertainment

7.1

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,579 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Entertainment

7.1

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
British Airways
6.7
Okay
7,533 reviews
Air Transat
7.8
Good
475 reviews
Check prices

Entertainment

7.1

Food

6.8

Overall

7.8

Crew

8.5

Comfort

7.4

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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 Pearson Intl is currently the cheapest airport to fly to in Ontario. One-way flights to Toronto Pearson Intl typically cost £37, while return flights cost around £72.

  • How much is a return flight to Ontario?

    A return flight to Ontario will typically cost around £125, 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 (7 hours 0 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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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.

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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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