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Cheap flights from London Gatwick Airport to Ontario from C$ 399

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
20 Jul — 27 Jul1
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 20 June 2026.

Fri 26/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 3/76:35 p.m.
YOW
-
LGW
1 stop11h 10m
Air Transat
Deal found 16/6C$ 703
Tue 15/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Thu 1/104:00 p.m.
YOW
-
LGW
1 stop10h 55m
Air Transat
Deal found 18/6C$ 726
Fri 11/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sat 26/98:40 a.m.
YOW
-
LGW
1 stop21h 05m
Air Transat
Deal found 16/6C$ 728
Thu 17/912:40 p.m.
LGW
-
YOW
1 stop12h 20m
Air Transat
Sat 3/107:00 a.m.
YOW
-
LGW
1 stop19h 55m
Air Transat
Deal found 19/6C$ 730
Mon 21/99:40 a.m.
LGW
-
YOW
1 stop19h 45m
Air Transat
Sun 27/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 19/6C$ 732
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 28/94:00 p.m.
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 19/6C$ 735
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 27/92:15 p.m.
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 16/6C$ 736
Thu 17/912:40 p.m.
LGW
-
YOW
1 stop12h 20m
Air Transat
Thu 1/104:00 p.m.
YOW
-
LGW
1 stop10h 55m
Air Transat
Deal found 18/6C$ 737
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sat 3/108:40 a.m.
YOW
-
LGW
1 stop18h 15m
Air Transat
Deal found 18/6C$ 740
Sun 20/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 2/107:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 18/6C$ 743
Fri 26/611:35 a.m.
LGW
-
YYZ
1 stop25h 38m
Air Transat
Thu 9/77:50 p.m.
YYZ
-
LGW
Nonstop7h 05m
Air Transat
Deal found 20/6C$ 788
Thu 2/711:35 a.m.
LGW
-
YTZ
1 stop15h 43m
Air Transat
Thu 9/78:25 a.m.
YTZ
-
LGW
1 stop20h 25m
Air Transat
Deal found 20/6C$ 790

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 20 June 2026.

Round-trip from

C$ 726

One-way from

C$ 399

Popular in

August

Cheapest in

February

Average price

C$ 888

Good round-trip deal

C$ 852 or less

Good one-way deal

C$ 572 or less
Air Transat
  • Air Transat
  • 15/9-1/10
  • 1 total stop
  • 18h 55m total
  • London to Ontario
Search Deals
27/8
  • 27/8
  • 2 total stops
  • 31h 50m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 115 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 June 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 20 June 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

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 1/7

5:00 p.m.-3:00 p.m.

1 stop27h 00m

Ottawa

Wed 8/7

5:10 p.m.-9:25 a.m.

1 stop11h 15m

C$ 803

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 15/9

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

Nonstop8h 00m

Ottawa

Tue 29/9

4:00 p.m.-10:45 a.m.

1 stop13h 45m

C$ 805

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 3/7

9:40 a.m.-4:33 p.m.

1 stop11h 53m

Toronto Island

Tue 28/7

4:55 p.m.-7:55 a.m.

1 stop10h 00m

C$ 811

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 3/9

1:00 p.m.-10:05 p.m.

1 stop14h 05m

Toronto Pearson Intl

Mon 7/9

8:45 p.m.-11:45 a.m.

1 stop10h 00m

C$ 862

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 3/7

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

Toronto Pearson Intl

Fri 10/7

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

Nonstop7h 00m

C$ 865

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 10/9

9:30 p.m.-4:20 p.m.

2 stops23h 50m

Toronto Pearson Intl

Sun 20/9

8:50 p.m.-12:00 p.m.

1 stop10h 10m

C$ 882

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 16/12

10:40 a.m.-7:55 p.m.

1 stop14h 15m

Montreal Pierre Elliott Trudeau Intl

Wed 6/1

9:45 p.m.-9:50 a.m.

1 stop31h 05m

C$ 938

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Fri 28/8

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

Nonstop8h 00m

Ottawa

Mon 7/9

6:35 p.m.-10:45 a.m.

1 stop11h 10m

C$ 954

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 28/7

9:40 a.m.-4:33 p.m.

1 stop11h 53m

Toronto Island

Sun 6/9

4:55 p.m.-7:55 a.m.

1 stop10h 00m

C$ 967

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 9/11

4:35 p.m.-3:20 p.m.

1 stop27h 45m

Toronto Pearson Intl

Mon 16/11

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

1 stop12h 00m

C$ 972

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/6

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$ 372). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of C$ 1,425). 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 20 June 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 20 June 2026.

The most flights from LGW to CAON are scheduled on a Thursday (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?

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 20 June 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
556 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.9

Comfort

7.3

Food

6.8

Crew

8.5

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
556 reviews
Air Transat
7.8
Good
556 reviews
Check prices

Entertainment

7.1

Overall

7.8

Boarding

7.9

Comfort

7.3

Food

6.8

Crew

8.5

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.

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 8h. The distance from London Gatwick Airport to Region of Ontario is about 5375 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$ 533. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 548 on average, our data indicates C$ 799 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$ 372). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of C$ 1,425). 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 20 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 623AverageC$ 1,007FlexibilityNo 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.

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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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