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Cheap flights from London Gatwick Airport to Ontario from £187

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
29 May — 5 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 29 April 2026.

Mon 8/612:40
LGW
-
YOW
1 stop12h 25m
Air Transat
Mon 15/616:00
YOW
-
LGW
1 stop10h 55m
Air Transat
Deal found 24/4£349
Tue 9/612:40
LGW
-
YOW
1 stop31h 15m
Air Transat
Tue 16/607:00
YOW
-
LGW
1 stop22h 45m
Air Transat
Deal found 25/4£353
Fri 4/909:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 18/920:55
YOW
-
LGW
1 stop30h 00m
Air Transat
Deal found 29/4£357
Sun 7/612:40
LGW
-
YOW
1 stop31h 15m
Air Transat
Sun 14/616:00
YOW
-
LGW
1 stop13h 45m
Air Transat
Deal found 26/4£359
Mon 1/609:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Tue 16/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 25/4£367
Fri 15/509:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Fri 22/519:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 29/4£368
Sat 30/509:40
LGW
-
YOW
1 stop15h 25m
Air Transat
Sun 7/614:15
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 25/4£369
Fri 15/512:40
LGW
-
YOW
1 stop12h 20m
Air Transat
Sat 23/508:40
YOW
-
LGW
1 stop18h 15m
Air Transat
Deal found 26/4£369
Thu 14/515:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Thu 21/520:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 28/4£410
Mon 11/509:45
LGW
-
YYZ
1 stop11h 05m
Multiple Airlines
Fri 5/623:05
YYZ
-
LGW
1 stop13h 05m
Multiple Airlines
Deal found 27/4£411
Thu 18/609:40
LGW
-
YYZ
Nonstop8h 05m
Air Transat
Mon 22/619:00
YYZ
-
LGW
1 stop31h 55m
Air Transat
Deal found 28/4£412
Mon 11/509:45
LGW
-
YYZ
1 stop11h 05m
Multiple Airlines
Mon 1/621:35
YYZ
-
LGW
1 stop10h 05m
Multiple Airlines
Deal found 27/4£413

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 29 April 2026.

Round-trip from

£349

One-way from

£187

Popular in

December

Cheapest in

February

Average price

£457

Good round-trip deal

£377 or less

Good one-way deal

£292 or less
Air Transat
  • Air Transat
  • 8/6-15/6
  • 2 total stops
  • 23h 20m total
  • London to Ontario
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 31h 20m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£8 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 April 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 29 April 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

Sun 14/6

09:40-12:40

Nonstop8h 00m

Ottawa

Fri 19/6

19:40-07:55

Nonstop7h 15m

£367

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sun 21/6

12:40-20:10

1 stop12h 30m

Ottawa

Sun 28/6

18:35-10:45

1 stop11h 10m

£380

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 10/6

17:55-11:35

1 stop22h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 17/6

21:30-22:30

1 stop20h 00m

£419

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 1/9

09:40-18:58

1 stop14h 18m

Toronto Island

Tue 15/9

11:55-07:55

1 stop15h 00m

£420

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 1/9

13:00-19:10

1 stop11h 10m

Toronto Pearson Intl

Fri 11/9

23:10-11:45

1 stop31h 35m

£422

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 9/6

12:40-20:05

1 stop12h 25m

Ottawa

Wed 1/7

07:00-07:55

1 stop19h 55m

£422

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 9/6

09:40-12:40

Nonstop8h 00m

Ottawa

Mon 22/6

08:40-07:55

1 stop18h 15m

£458
Fastest return journey

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sun 14/6

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Fri 3/7

22:05-09:50

Nonstop6h 45m

£459

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sat 12/9

11:35-12:00

1 stop29h 25m

Toronto Island

Sat 26/9

08:25-09:50

1 stop20h 25m

£461

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 13/9

09:40-16:33

1 stop11h 53m

Toronto Island

Fri 2/10

16:55-07:55

1 stop10h 00m

£461

Flights are sorted by cheapest return flights first.

Deals found on 28/4

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

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 65 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.

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 £195). Flying from London Gatwick Airport to Region of Ontario in August is currently the most expensive (average of £608). 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 29 April 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?

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 29 April 2026.
Get a feel of what it's like to fly with Air Transat,Virgin Atlantic, andAir Canada 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
543 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

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
543 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

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
7.4
Good
688 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

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
10,982 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

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
646 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

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.
Lufthansa
6.8
Okay
7,962 reviews
Air Transat
7.8
Good
543 reviews
Check prices

Boarding

7.9

Food

6.8

Crew

8.5

Comfort

7.3

Overall

7.8

Entertainment

7.1

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 £367, Air Transat can have you in Region of Ontario from London Gatwick Airport in 8h. The distance from London Gatwick Airport to Region of Ontario is about 3340 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 £647 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 £363.

  • 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 £195). Flying from London Gatwick Airport to Region of Ontario in August is currently the most expensive (average of £608). 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

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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 Pearson Intl flights
Heathrow to Vancouver Intl flights
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Gatwick to Vancouver Intl flights
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Stansted to Pearson Intl flights
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London City to Vancouver Intl flights
Heathrow to Calgary flights
Luton to Pearson Intl flights
Gatwick to Toronto Island flights
Stansted to Vancouver Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Heathrow to Abbotsford flights
Southend to Pearson Intl flights
Gatwick to Calgary flights
London City to Calgary flights
Luton to Vancouver Intl flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Calgary flights
Heathrow to Halifax flights
Stansted to Pierre Elliott Trudeau Intl flights
Luton to Calgary flights
Luton to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Heathrow to Edmonton flights
Gatwick to Ottawa flights
Gatwick to Edmonton flights
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London City to Edmonton flights
Stansted to Edmonton flights
Stansted to Halifax flights
Stansted to Ottawa flights
Heathrow to Winnipeg flights
London City to Halifax flights
Luton to Halifax flights
Heathrow to St. John's flights
Heathrow to Victoria flights
Gatwick to St. John's flights
Heathrow to London flights
London City to Ottawa flights
Gatwick to Winnipeg flights
Heathrow to Québec City flights
Heathrow to Saskatoon flights
Gatwick to Victoria flights
Gatwick to Québec City flights
Gatwick to Kelowna flights
Luton to Edmonton flights

Top 7 airlines flying from Gatwick to Ontario

Discover the top 7 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£271Average£434FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£308Average£479FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£341Average£502FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£351Average£569FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£355Average£412FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Virgin AtlanticCheapest£378Average£434FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
WestJetCheapest£381Average£535FlexibilityNo 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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