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Cheap flights from London Gatwick Airport to Ontario from £185

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
22 Jun — 29 Jun1
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 23 May 2026.

Tue 2/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 14/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 21/5£370
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sat 13/619:15
YOW
-
LGW
1 stop10h 30m
Air Transat
Deal found 18/5£371
Tue 30/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Tue 7/708:40
YOW
-
LGW
1 stop21h 05m
Air Transat
Deal found 20/5£371
Tue 9/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 18/5£372
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Tue 16/619:15
YOW
-
LGW
1 stop10h 30m
Air Transat
Deal found 19/5£373
Tue 2/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sat 13/619:15
YOW
-
LGW
1 stop10h 30m
Air Transat
Deal found 20/5£374
Fri 5/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Tue 9/607:00
YOW
-
LGW
1 stop22h 45m
Air Transat
Deal found 19/5£374
Mon 1/609:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Tue 9/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 20/5£375
Wed 3/609:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Sun 14/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 20/5£376
Sat 6/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Mon 15/616:00
YOW
-
LGW
1 stop10h 55m
Air Transat
Deal found 18/5£377
Wed 3/609:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Tue 16/619:15
YOW
-
LGW
1 stop10h 30m
Air Transat
Deal found 22/5£377
Sat 6/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Fri 12/616:00
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 20/5£378

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 23 May 2026.

Round-trip from

£370

One-way from

£185

Popular in

December

Cheapest in

February

Average price

£464

Good round-trip deal

£378 or less

Good one-way deal

£315 or less
Air Transat
  • Air Transat
  • 2/6-14/6
  • 1 total stop
  • 22h 35m total
  • London to Ontario
Search Deals
16/6
  • 16/6
  • 3 total stops
  • 29h 15m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (£3 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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

 
Customise 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 858,174 searches. Data last updated 23 May 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 return flight

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 3/6

09:40-20:05

1 stop15h 25m

Ottawa

Fri 12/6

16:00-10:45

1 stop13h 45m

£400

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 4/6

12:40-00:25

1 stop16h 45m

Ottawa

Mon 15/6

18:35-10:45

1 stop11h 10m

£400

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 9/6

09:40-16:33

1 stop11h 53m

Toronto Island

Wed 1/7

20:55-09:50

1 stop31h 55m

£433

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 4/6

12:40-20:05

1 stop12h 25m

Ottawa

Sun 7/6

19:40-07:55

Nonstop7h 15m

£436

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 6/9

09:40-16:33

1 stop11h 53m

Toronto Island

Tue 8/9

16:55-07:55

1 stop10h 00m

£438

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 1/9

09:40-16:33

1 stop11h 53m

Toronto Island

Sun 6/9

16:55-07:55

1 stop10h 00m

£447
Fastest return journey

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sun 13/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

22:05-09:50

Nonstop6h 45m

£457

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 30/8

13:05-08:13

1 stop24h 08m

Toronto Pearson Intl

Fri 11/9

23:15-09:50

1 stop29h 35m

£459

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Thu 2/7

11:35-20:15

1 stop13h 40m

Toronto Island

Sat 11/7

10:55-09:50

1 stop17h 55m

£462

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 25/8

16:30-11:35

1 stop24h 05m

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

18:50-19:35

1 stop19h 45m

£474

Flights are sorted by cheapest return flights first.

Deals found on 21/5

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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6

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 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 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 £196). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of £673). 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 23 May 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Region of Ontario as you normally would.

How much does it cost for a return flight 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 72 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 23 May 2026.
Get a feel of what it's like to fly with Air Transat,Virgin Atlantic, andWestJet 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
553 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.9

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

Food

6.8

Comfort

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.9

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

Food

6.8

Comfort

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.9

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.
WestJet
7.2
Good
3,345 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.9

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
11,078 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.9

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.
Icelandair
7.0
Good
657 reviews
Air Transat
7.8
Good
553 reviews
Check prices

Crew

8.5

Food

6.8

Comfort

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.9

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?

    For as low as £499, Air Transat can have you in Region of Ontario from London Gatwick Airport in 11h 25m. The distance from London Gatwick Airport to Region of Ontario is about 3563 mi. This flight may include one or multiple stops.

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

    While some choose either London Gatwick - Toronto Island or London Gatwick - Montreal Pierre Elliott Trudeau Intl, London Gatwick - Toronto Pearson Intl is the most popular route from London Gatwick Airport to Region of Ontario.

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

    On average you can expect to pay £636 for a flight from London Gatwick Airport to Region of Ontario. The cheapest flight overall is £278 while the most popular route, (London Gatwick - Toronto Pearson Intl) is currently priced at £375.

  • 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 holiday 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 £196). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of £673). 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

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Alternative routes for Gatwick to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Vancouver Intl flights
Heathrow to Pearson Intl flights
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Gatwick to Pearson Intl flights
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London City to Pearson Intl flights
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Stansted to Pearson Intl flights
Stansted to Vancouver Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
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Gatwick to Toronto Island flights
Luton to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Heathrow to Abbotsford flights
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Southend to Pearson Intl flights
London City to Calgary flights
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Stansted to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Stansted to Calgary flights
Luton to Pierre Elliott Trudeau Intl flights
Luton to Calgary flights
Heathrow to Edmonton flights
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Heathrow to Victoria flights
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Gatwick to Victoria flights
Luton to Edmonton flights
Stansted to St. John's flights

Top 6 airlines flying from Gatwick to Ontario

Discover the top 6 airlines 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 858,174 searches. Data last updated 23 May 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£272Average£431FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£317Average£492FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£343Average£519FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£353Average£597FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£380Average£436FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
WestJetCheapest£414Average£538FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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 from Gatwick to Ontario?

Cheapflights makes it easy to find Gatwick to 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 from Gatwick to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Gatwick to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Gatwick to Ontario with no change fees.

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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