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Cheap flights from Ontario to London Gatwick Airport from £196

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 15/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
19 Jul — 26 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Gatwick
Explore the most affordable flight options available from Ontario to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 June 2026.

Fri 9/1007:00
YOW
-
LGW
1 stop22h 45m
Air Transat
Fri 16/1009:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 17/6£407
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 26/609:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 16/6£411
Sun 21/607:00
YOW
-
LGW
1 stop22h 45m
Air Transat
Sun 28/611:35
LGW
-
YOW
1 stop11h 00m
Air Transat
Deal found 15/6£412
Sun 6/919:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 13/909:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 16/6£416
Sun 21/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Tue 7/709:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 18/6£419
Fri 19/619:40
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 3/709:40
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 15/6£420
Wed 23/920:35
YUL
-
LGW
1 stop30h 20m
Air Transat
Fri 2/1012:40
LGW
-
YUL
1 stop16h 57m
Air Transat
Deal found 16/6£424
Tue 13/1017:00
YUL
-
LGW
1 stop12h 45m
Porter Airlines
Wed 21/1012:40
LGW
-
YUL
1 stop11h 52m
Porter Airlines
Deal found 17/6£425
Wed 29/706:45
YUL
-
LGW
1 stop20h 10m
Porter Airlines
Wed 5/809:40
LGW
-
YUL
1 stop14h 52m
Porter Airlines
Deal found 14/6£426
Fri 3/722:05
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 8/709:40
LGW
-
YUL
1 stop14h 52m
Air Transat
Deal found 14/6£426
Thu 10/920:35
YUL
-
LGW
1 stop9h 10m
Air Transat
Wed 23/911:35
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 18/6£427
Tue 8/918:00
YUL
-
LGW
1 stop11h 45m
Porter Airlines
Wed 23/909:40
LGW
-
YUL
1 stop12h 22m
Porter Airlines
Deal found 18/6£428

Find flight deals from Ontario to Gatwick

Keep the following information in mind while searching for Ontario to Gatwick flight deals. Data was last updated 19 June 2026.

Round-trip from

£407

One-way from

£196

Popular in

July

Cheapest in

February

Average price

£549

Good round-trip deal

£420 or less

Good one-way deal

£230 or less
Air Transat
  • Air Transat
  • 9/10-16/10
  • 1 total stop
  • 30h 45m total
  • Ontario to London
Search Deals
15/7
  • 15/7
  • 1 total stop
  • 19h 35m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Ontario to London Gatwick.
Search Deals
Price to beat on a one-way flight from Ontario to London Gatwick.
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Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Gatwick 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 19 June 2026.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 25/9

19:40-07:55

Nonstop7h 15m

London Gatwick

Thu 1/10

12:40-20:00

1 stop12h 20m

£426

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 21/9

08:40-07:55

1 stop18h 15m

London Gatwick

Fri 25/9

09:40-12:40

Nonstop8h 00m

£443

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 18/7

16:55-09:50

1 stop11h 55m

London Gatwick

Sat 25/7

11:35-20:13

1 stop13h 38m

£444

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Sat 25/7

10:25-09:25

2 stops18h 00m

London Gatwick

Sun 13/9

20:40-23:15

3 stops31h 35m

£449

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 22/7

22:05-09:50

Nonstop6h 45m

London Gatwick

Mon 10/8

09:40-17:02

1 stop12h 22m

£449

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 14/9

18:00-10:45

1 stop11h 45m

London Gatwick

Thu 17/9

12:40-00:37

1 stop16h 57m

£450

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 18/7

16:55-11:20

1 stop13h 25m

London Gatwick

Sun 16/8

09:40-09:03

1 stop28h 23m

£471

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 17/8

21:00-16:00

1 stop14h 00m

London Gatwick

Tue 25/8

10:35-18:25

1 stop12h 50m

£475

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 19/8

17:00-09:25

1 stop11h 25m

London Gatwick

Tue 25/8

10:35-18:25

1 stop12h 50m

£475

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 11/10

07:00-10:45

1 stop22h 45m

London Gatwick

Sun 1/11

11:40-17:58

1 stop11h 18m

£475

Flights are sorted by cheapest return flights first.

Deals found on 15/6

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

Have a flexible travel schedule? Discover the best time to fly to Gatwick from 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 from Ontario to London Gatwick Airport

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

Currently, November is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £198). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £813). 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 ON to LGW?

Find hourly flight availability from Ontario to Gatwick. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 19 June 2026.

When flying from Region of Ontario to London Gatwick Airport, 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 Region of Ontario to London Gatwick Airport

Explore weekly flight availability from Ontario to Gatwick. 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 19 June 2026.

The most flights from CAON to LGW 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 for a return flight from Region of Ontario to London Gatwick Airport?

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

The price you pay for your flight from Region of Ontario to London Gatwick Airport may vary depending on when you book. For the best chance of a lower fare, look to book 86 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Gatwick. 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 Region of Ontario to London Gatwick Airport?

    There are many flights that can get you from Region of Ontario to London Gatwick Airport in 7h 15m. Fly via Air Transat, Porter Airlines, or Delta to get the fastest option. The distance between Region of Ontario and London Gatwick Airport is about 3340 mi. This flight may include one or multiple stops.

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

    The most popular route from Region of Ontario to London Gatwick Airport is Toronto Pearson Intl - London Gatwick. You may also consider Toronto Island - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London Gatwick.

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

    On average you can expect to pay £783 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £228 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £330.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Gatwick 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 Region of Ontario to London Gatwick Airport?

    Currently, November is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £198). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £813). 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
Southall

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ontario to Gatwick

Discover the top airline that operate flights from Ontario to Gatwick. 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 19 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£384Average£530FlexibilityNo cancel feeOn-time50%
Search Air Transat 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 Ontario to Gatwick?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Gatwick. 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 Ontario to Gatwick?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Gatwick from Ontario.

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

Need flexible booking options for your flight to Gatwick from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Gatwick become cheaper?

Yes! Start tracking prices for Ontario to Gatwick flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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