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Cheap flights from Ontario to London Gatwick Airport from £173

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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Ontario to Gatwick

Keep the following information in mind while searching for Ontario to Gatwick flight deals. Data was last updated 15 September 2025.

Round-trip from

£385

One-way from

£173

Popular in

December

Cheapest in

February

Average price

£456

Good round-trip deal

£490 or less

Good one-way deal

£272 or less
Air Transat
  • Air Transat
  • 8/1-21/1
  • Nonstop
  • 15h 30m total
  • Ontario to London
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18/10
  • 18/10
  • 1 total stop
  • 20h 10m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£14 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Ontario to London Gatwick.
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Price to beat on a one-way flight from Ontario to London Gatwick.
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Find flight deals from Ontario to Gatwick

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 15 September 2025.

Mon 13/1022:45YYZ - LGW
Nonstop7h 00mAir Transat
Thu 13/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 13/9£386
Tue 7/1023:15YYZ - LGW
1 stop29h 35mAir Transat
Tue 18/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 14/9£387
Tue 30/922:45YYZ - LGW
Nonstop7h 00mAir Transat
Thu 4/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 14/9£388
Sun 16/1121:35YYZ - LGW
Nonstop7h 10mAir Transat
Sun 23/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 13/9£389
Fri 17/1022:45YYZ - LGW
Nonstop7h 00mAir Transat
Fri 31/1011:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 13/9£389
Sun 12/1023:15YYZ - LGW
1 stop29h 35mAir Transat
Fri 31/1011:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 13/9£390
Sat 11/1022:45YYZ - LGW
Nonstop7h 00mAir Transat
Wed 29/1011:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 13/9£391
Sat 4/1006:45YUL - LGW
1 stop23h 00mAir Transat
Wed 29/1011:40LGW - YUL
1 stop26h 00mAir Transat
Deal found 13/9£391
Thu 16/1022:45YYZ - LGW
Nonstop7h 00mAir Transat
Fri 31/1011:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 13/9£391
Sun 28/923:15YYZ - LGW
1 stop29h 35mAir Transat
Wed 29/1011:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 14/9£392
Mon 10/1117:25YUL - LGW
1 stop11h 20mAir Transat
Fri 21/1111:40LGW - YUL
1 stop11h 45mAir Transat
Deal found 13/9£393
Fri 7/1121:35YYZ - LGW
Nonstop7h 10mAir Transat
Sun 9/1111:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 14/9£393

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 15 September 2025.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Ontario

Fly to

Gatwick

Route

Depart

Return

Price

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 13/1

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 25/1

11:40-15:00

Nonstop8h 20m

£392

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 21/10

22:45-10:45

Nonstop7h 00m

London Gatwick

Wed 29/10

11:40-16:00

Nonstop8h 20m

£392

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

14:30-09:45

1 stop14h 15m

London Gatwick

Wed 18/2

11:40-18:25

1 stop11h 45m

£393

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 11/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 17/11

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 6/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 16/11

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 6/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 17/11

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 10/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 16/11

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 10/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 17/11

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 15/11

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 7/12

11:40-15:00

Nonstop8h 20m

£394

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 17/1

19:40-10:55

1 stop10h 15m

London Gatwick

Wed 28/1

11:55-18:15

1 stop11h 20m

£399

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 60 results
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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, April is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £102). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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 15 September 2025.

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 WestJet 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 cheapest airlines to fly from Region of Ontario to London Gatwick Airport one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at £184. TAP AIR PORTUGAL flights start at £191 while deals on Air Transat start at £195 one-way.

  • 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 Montreal Pierre Elliott Trudeau Intl - London Gatwick or Toronto Island - London Gatwick.

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

    On average you can expect to pay £1,034 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £207 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £358.

  • 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, April is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £102). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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
Croydon
Hounslow
Gatwick
Slough
Luton
Deal
Wembley
Ilford
Crawley
Hayes
Watford
Folkestone
Winchester
Chichester
Ipswich
Dartford
Eastbourne
Guildford
Bishop's Stortford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
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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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£336Average£477FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapest£367Average£474FlexibilityNo 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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