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Cheap flights from Ontario to London Gatwick Airport from £209

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 20/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
17 Apr — 24 Apr1
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 18 March 2026.

Mon 13/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Mon 20/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 15/3£395
Wed 15/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Wed 22/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 14/3£396
Sun 19/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Tue 28/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 14/3£397
Thu 16/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Thu 30/413:00
LGW
-
YYZ
1 stop14h 05m
Icelandair
Deal found 15/3£398
Tue 14/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Tue 21/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 17/3£399
Mon 13/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Mon 27/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 16/3£400
Tue 14/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Thu 30/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 18/3£401
Mon 13/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Sat 25/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 18/3£401
Fri 17/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Fri 24/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 15/3£402
Tue 14/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Tue 28/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 14/3£403
Tue 14/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Sat 25/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 17/3£404
Fri 17/423:10
YYZ
-
LGW
1 stop10h 30m
Icelandair
Thu 30/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 17/3£404

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 18 March 2026.

Round-trip from

£395

One-way from

£209

Popular in

December

Cheapest in

May

Average price

£460

Good round-trip deal

£395 or less

Good one-way deal

£230 or less
Icelandair
  • Icelandair
  • 13/4-20/4
  • 2 total stops
  • 21h 55m total
  • Ontario to London
Search Deals
20/5
  • 20/5
  • 2 total stops
  • 23h 25m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 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 March 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.
Search Deals

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 18 March 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

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 5/4

22:35-10:45

Nonstop7h 10m

London Gatwick

Mon 27/4

12:40-16:00

Nonstop8h 20m

£437

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 6/4

22:35-10:45

Nonstop7h 10m

London Gatwick

Mon 27/4

12:40-16:00

Nonstop8h 20m

£437

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 5/4

22:35-10:45

Nonstop7h 10m

London Gatwick

Wed 22/4

12:40-16:00

Nonstop8h 20m

£448

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 14/5

20:35-10:45

1 stop9h 10m

London Gatwick

Tue 26/5

12:40-19:20

1 stop11h 40m

£449

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 17/5

20:35-10:45

1 stop9h 10m

London Gatwick

Mon 25/5

09:40-17:02

1 stop12h 22m

£449
Fastest return journey

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 29/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Mon 8/6

11:35-14:15

Nonstop7h 40m

£454

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 2/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Mon 18/5

12:40-19:32

1 stop11h 52m

£454

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 31/5

22:45-10:45

Nonstop7h 00m

London Gatwick

Sun 21/6

11:35-18:38

1 stop12h 03m

£483

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sun 19/4

20:45-14:40

1 stop12h 55m

London Gatwick

Tue 5/5

13:00-19:10

1 stop11h 10m

£500

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Wed 20/5

18:00-09:25

1 stop10h 25m

London Gatwick

Sat 30/5

10:25-21:00

1 stop15h 35m

£507

Flights are sorted by cheapest return flights first.

Deals found on 13/3

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, May is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £339). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £446). 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 18 March 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.

How much does it cost for a return flight from Region of Ontario to London Gatwick Airport?

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 10m. Fly via Air Transat, Porter Airlines, or SWISS to get the fastest option. The distance between Region of Ontario and London Gatwick Airport is about 3563 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 £337 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £214 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £401.

  • 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, May is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £339). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £446). 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Eastbourne
Romford
Ipswich
Bedford
Chelmsford
Southend-on-Sea

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 2 airlines flying from Ontario to Gatwick

Discover the top 2 airlines 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£342Average£474FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapest£373Average£535FlexibilityNo cancel feeOn-time52%
Search Porter Airlines 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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