Find flights
Deals
Airlines
Travel Guide

£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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
— YYZ
5 Sep — 12 Sep1
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 6 August 2026.

Thu 27/806:55 -
1 stop16h 55m
Fri 18/918:40 -
Nonstop6h 50m
Deal found 6/8£383
Wed 2/911:35 -
Nonstop7h 40m
Sat 12/918:50 -
2 stops32h 05m
Deal found 6/8£384
Mon 31/811:30 -
1 stop12h 55m
Wed 30/916:40 -
1 stop10h 15m
Deal found 5/8£386
Wed 26/809:30 -
1 stop11h 30m
Fri 18/918:40 -
Nonstop6h 50m
Deal found 6/8£387
Thu 3/911:35 -
Nonstop7h 40m
Sat 12/918:50 -
2 stops32h 05m
Deal found 6/8£388
Wed 9/908:40 -
1 stop11h 20m
Fri 18/917:30 -
1 stop10h 05m
Deal found 3/8£388
Mon 5/1009:40 -
1 stop12h 22m
Wed 14/1015:10 -
1 stop14h 35m
Deal found 5/8£388
Tue 22/920:05 -
1 stop23h 55m
Tue 29/917:10 -
2 stops14h 50m
Deal found 3/8£388
Sat 3/1012:40 -
1 stop11h 52m
Fri 9/1017:00 -
1 stop12h 45m
Deal found 4/8£389
Fri 18/906:00 -
1 stop14h 00m
Mon 28/917:10 -
2 stops14h 50m
Deal found 3/8£389
Mon 28/909:40 -
1 stop12h 22m
Sat 3/1017:00 -
1 stop9h 55m
Deal found 5/8£390
Thu 17/908:45 -
1 stop11h 15m
Fri 25/916:40 -
1 stop10h 55m
Deal found 3/8£390

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 6 August 2026
Explore Ontario
Flights to Toronto
Flights to Ottawa
Flights to Windsor
Flights to Thunder Bay
Flights to London
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 6 August 2026.

Return from

£397

One-way from

£259

Popular in

August

Cheapest in

February

Average price

£586

Good round-trip deal

£464 or less

Good one-way deal

£297 or less
Air Canada
  • Air Canada
  • 16/9-26/9
  • 1 total stop
  • 32h 05m total
  • London to Toronto
Search Deals
10/9
  • 10/9
  • 2 total stops
  • 28h 30m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£49 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 August 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 6 August 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

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Fri 11/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Thu 17/9

17:00-07:55

1 stop9h 55m

£394

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Fri 11/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 16/9

20:35-07:55

1 stop30h 20m

£394

LondonMontreal

STN London Stansted - YUL Montreal Pierre Elliott Trudeau Intl

STNYUL

London Stansted

Fri 13/11

12:15-12:40

1 stop29h 25m

Montreal Pierre Elliott Trudeau Intl

Sun 22/11

20:10-15:55

1 stop14h 45m

£396

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Mon 21/9

06:20-15:50

1 stop14h 30m

Toronto Pearson Intl

Fri 9/10

22:00-10:15

Nonstop7h 15m

£402

LondonToronto

LTN London Luton - YYZ Toronto Pearson Intl

LTNYYZ

London Luton

Mon 21/9

08:50-11:00

1 stop31h 10m

Toronto Pearson Intl

Mon 28/9

19:15-22:05

1 stop21h 50m

£406

LondonToronto

LGW London Gatwick - YYZ Toronto Pearson Intl

LGWYYZ

London Gatwick

Wed 9/9

15:40-22:05

1 stop11h 25m

Toronto Pearson Intl

Thu 24/9

23:10-14:40

1 stop10h 30m

£410

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Sun 27/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 10/10

17:00-07:55

1 stop9h 55m

£410

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Sun 27/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 12/10

20:35-10:45

1 stop9h 10m

£410
Fastest return journey

LondonMontreal

LHR London Heathrow - YUL Montreal Pierre Elliott Trudeau Intl

LHRYUL

London Heathrow

Sat 19/9

14:05-16:40

Nonstop7h 35m

Montreal Pierre Elliott Trudeau Intl

Mon 28/9

22:10-10:00

Nonstop6h 50m

£411

LondonToronto

LHR London Heathrow - YYZ Toronto Pearson Intl

LHRYYZ

London Heathrow

Fri 25/9

06:20-15:50

1 stop14h 30m

Toronto Pearson Intl

Thu 1/10

17:35-10:20

1 stop11h 45m

£412

Flights are sorted by cheapest return flights first.

Deals found on 1/8

Showing 1-10 of 33 resultsSorted by cheapest first
1
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 16 hours 18 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 Monday (43 on average). You will have fewer flight options on Wednesday, 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 £306
Lufthansa
Lufthansa
From £346
Virgin Atlantic
Virgin Atlantic
From £175

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from London to Ontario are Virgin Atlantic, ITA Airways and Icelandair.

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 37 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 6 August 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 6 August 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
572 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.8

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
572 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.8

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Virgin Atlantic
7.5
Good
694 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.8

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Canada
7.1
Good
11,429 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.8

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Icelandair
7.0
Good
721 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.8

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Lufthansa
6.8
Okay
8,176 reviews
Air Transat
7.8
Good
572 reviews
Check prices

Boarding

8.0

Crew

8.5

Food

6.8

Overall

7.8

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

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 £39, while return flights cost around £87.

  • How much is a return flight to Ontario?

    A return flight to Ontario will typically cost around £297, however they can be found for as little as £87.

  • 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).

  • 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.