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Cheap flights from London Gatwick Airport to Ontario from C$ 420

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
3 Sep — 10 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Ontario
Explore the most affordable flight options available from Gatwick to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 August 2026.

Mon 21/99:40 a.m.
LGW
-
YUL
1 stop15h 50m
Air Transat
Sat 26/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Deal found 3/8C$ 733
Wed 9/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Fri 18/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Deal found 3/8C$ 734
Tue 13/1012:40 p.m.
LGW
-
YUL
1 stop11h 40m
Air Transat
Tue 20/1010:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Deal found 3/8C$ 738
Fri 18/912:40 p.m.
LGW
-
YUL
1 stop11h 52m
Air Transat
Thu 1/105:00 p.m.
YUL
-
LGW
1 stop9h 55m
Air Transat
Deal found 3/8C$ 740
Fri 18/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Sun 20/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Deal found 2/8C$ 741
Wed 2/99:40 a.m.
LGW
-
YUL
1 stop12h 22m
Air Transat
Wed 9/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Deal found 30/7C$ 743
Sun 4/1011:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Fri 16/108:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Deal found 31/7C$ 744
Fri 4/912:40 p.m.
LGW
-
YUL
1 stop11h 50m
Air Transat
Thu 10/98:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Deal found 1/8C$ 745
Mon 28/99:40 a.m.
LGW
-
YUL
1 stop12h 22m
Air Transat
Sat 17/1010:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Deal found 30/7C$ 747
Wed 16/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Wed 23/98:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Deal found 2/8C$ 748
Mon 28/99:40 a.m.
LGW
-
YUL
1 stop15h 50m
Air Transat
Fri 2/108:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Deal found 31/7C$ 750
Mon 24/811:35 a.m.
LGW
-
YTZ
1 stop25h 20m
Air Transat
Mon 7/98:45 p.m.
YTZ
-
LGW
1 stop30h 10m
Air Transat
Deal found 29/7C$ 751

Find flight deals from Gatwick to Ontario

Keep the following information in mind while searching for Gatwick to Ontario flight deals. Data was last updated 4 August 2026.

Round-trip from

C$ 733

One-way from

C$ 420

Popular in

August

Cheapest in

February

Average price

C$ 1,098

Good round-trip deal

C$ 921 or less

Good one-way deal

C$ 471 or less
Air Transat
  • Air Transat
  • 21/9-26/9
  • 1 total stop
  • 22h 35m total
  • London to Ontario
Search Deals
22/9
  • 22/9
  • 3 total stops
  • 21h 25m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (C$ 129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
Price to beat on a round-trip flight from London Gatwick to Ontario.
Search Deals
Price to beat on a one-way flight from London Gatwick to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 August 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sat 29/8

11:35 a.m.-8:15 p.m.

1 stop13h 40m

Toronto Island

Sat 5/9

4:55 p.m.-11:20 a.m.

1 stop13h 25m

C$ 758
Quickest round-trip

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 17/10

9:40 a.m.-12:45 p.m.

Nonstop8h 05m

Toronto Pearson Intl

Fri 30/10

10:35 p.m.-9:45 a.m.

Nonstop7h 10m

C$ 789

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 12/9

9:40 a.m.-12:25 a.m.

1 stop19h 45m

Ottawa

Sat 26/9

7:00 a.m.-10:45 a.m.

1 stop22h 45m

C$ 814

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 1/9

10:35 a.m.-11:30 p.m.

2 stops17h 55m

Montreal Pierre Elliott Trudeau Intl

Tue 15/9

7:00 p.m.-9:25 a.m.

1 stop9h 25m

C$ 820

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 11/12

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

Toronto Pearson Intl

Sat 9/1

9:35 p.m.-9:45 a.m.

Nonstop7h 10m

C$ 862

LondonToronto

LGW - YKF

LGWYKF

London Gatwick

Thu 3/9

6:00 a.m.-6:20 p.m.

2 stops17h 20m

Toronto Region of Waterloo Intl

Sun 6/9

4:05 p.m.-10:40 p.m.

2 stops25h 35m

C$ 877

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 11/9

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

Ottawa

Sun 20/9

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 900

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 16/1

10:00 a.m.-4:10 p.m.

1 stop11h 10m

Toronto Pearson Intl

Wed 27/1

10:20 p.m.-3:45 p.m.

1 stop12h 25m

C$ 901

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 14/10

12:05 p.m.-2:00 p.m.

2 stops30h 55m

Toronto Pearson Intl

Sun 18/10

10:55 p.m.-8:25 p.m.

2 stops40h 30m

C$ 925

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 16/12

9:35 a.m.-2:45 p.m.

2 stops34h 10m

Toronto Pearson Intl

Thu 7/1

5:30 p.m.-8:35 p.m.

2 stops22h 05m

C$ 931

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Gatwick to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Gatwick with our price prediction graph.
Estimated round-trip 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 from London Gatwick Airport to Ontario

What is the cheapest month to book a flight from London Gatwick Airport to Region of Ontario?

Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of C$ 713). Flying from London Gatwick Airport to Region of Ontario in August is currently the most expensive (average of C$ 1,140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LGW to ON?

Find hourly flight availability from Gatwick to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 August 2026.

When flying from London Gatwick Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Gatwick Airport to Region of Ontario

Explore weekly flight availability from Gatwick to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 August 2026.

The most flights from LGW to CAON are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from London Gatwick Airport to Region of Ontario?

Airfare is below average for this route at the moment.
London Gatwick Airport to Region of Ontario flights typically cost between C$ 1,015 and C$ 1,325 in August.
The cheapest round-trip price found within the last 5 days was C$ 751 on Air Transat (31 Aug-10 Sep).

How far ahead should I book a flight from London Gatwick Airport to Region of Ontario?

To ensure you get the cheapest price possible for a flight from London Gatwick Airport to Region of Ontario, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 4 August 2026.
Get a feel of what it's like to fly with Air Transat from London Gatwick Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
569 reviews
Check prices

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Comfort

7.3

Crew

8.5

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
569 reviews
Air Transat
7.8
Good
569 reviews
Check prices

Boarding

8.0

Food

6.8

Entertainment

7.1

Overall

7.8

Comfort

7.3

Crew

8.5

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.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London Gatwick Airport to Region of Ontario?

    Departing from London Gatwick Airport to Region of Ontario will take you 11h 10m. The distance from London Gatwick Airport to Region of Ontario is about 5734 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from London Gatwick Airport to Region of Ontario?

    The most popular flight routes from London Gatwick Airport to Region of Ontario are London Gatwick - Toronto Pearson Intl, London Gatwick - Toronto Island and London Gatwick - Montreal Pierre Elliott Trudeau Intl.

  • What are the cheapest flights from London Gatwick Airport to Region of Ontario?

    Looking at all options, your cheapest flight can be booked for C$ 425. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 604 on average, our data indicates C$ 907 when flying from London Gatwick Airport to Region of Ontario.

  • Can I find deals for flights from Gatwick to Ontario that include hotel bookings?

    Yes. In addition to deals on Gatwick to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ontario.

  • Can I find deals for business class flights from Gatwick to Ontario?

    Yes. Cheapflights offers flight deals from Gatwick to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Gatwick Airport to Region of Ontario?

    Currently, February is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of C$ 713). Flying from London Gatwick Airport to Region of Ontario in August is currently the most expensive (average of C$ 1,140). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

Top airline flying from Gatwick to Ontario

Discover the top airline that operate flights from Gatwick to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 4 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 625AverageC$ 984FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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

How does Cheapflights help users find flights from Gatwick to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Gatwick to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Gatwick to Ontario for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Gatwick to Ontario with no change fees?

Yes, we can. To see specific flights from Gatwick 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 from Gatwick to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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