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Cheap flights from Ontario to London Gatwick Airport from £184

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 18/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 3 November 2025.

Fri 14/1119:35YYZ - LGW
1 stop16h 45mMultiple Airlines
Sat 22/1122:30LGW - YYZ
1 stop17h 45mMultiple Airlines
Deal found 2/11£401
Sun 30/1119:40YYZ - LGW
1 stop10h 15mIcelandair
Fri 5/1211:55LGW - YYZ
1 stop11h 20mIcelandair
Deal found 3/11£402
Mon 8/1222:45YYZ - LGW
1 stop12h 00mTAP AIR PORTUGAL
Mon 12/116:35LGW - YYZ
1 stop27h 45mTAP AIR PORTUGAL
Deal found 1/11£408
Sun 30/1119:40YYZ - LGW
1 stop10h 15mIcelandair
Tue 9/1211:55LGW - YYZ
1 stop11h 20mIcelandair
Deal found 2/11£409
Fri 14/1117:25YYZ - LGW
1 stop18h 55mMultiple Airlines
Tue 18/1108:50LGW - YYZ
1 stop12h 05mMultiple Airlines
Deal found 1/11£410
Fri 14/1119:35YYZ - LGW
1 stop17h 05mMultiple Airlines
Wed 19/1111:15LGW - YYZ
2 stops33h 55mMultiple Airlines
Deal found 31/10£412
Sun 23/1119:35YYZ - LGW
1 stop15h 20mMultiple Airlines
Wed 3/1210:10LGW - YYZ
2 stops35h 15mMultiple Airlines
Deal found 1/11£413
Mon 1/1221:35YYZ - LGW
Nonstop7h 10mAir Transat
Sat 6/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 1/11£417
Mon 1/1221:35YYZ - LGW
Nonstop7h 10mAir Transat
Mon 8/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 2/11£418
Wed 3/1222:45YYZ - LGW
1 stop11h 20mTAP AIR PORTUGAL
Wed 10/1209:35LGW - YYZ
2 stops34h 10mTAP AIR PORTUGAL
Deal found 2/11£419
Mon 10/1112:30YTZ - LGW
3 stops25h 55mMultiple Airlines
Mon 17/1114:50LGW - YTZ
3 stops32h 05mMultiple Airlines
Deal found 2/11£420
Tue 11/1119:35YYZ - LGW
1 stop13h 25mMultiple Airlines
Tue 18/1121:40LGW - YYZ
2 stops23h 35mMultiple Airlines
Deal found 2/11£420

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 3 November 2025.

Round-trip from

£400

One-way from

£184

Popular in

December

Cheapest in

February

Average price

£438

Good round-trip deal

£503 or less

Good one-way deal

£246 or less
Air Transat
  • Air Transat
  • 11/1-18/1
  • Nonstop
  • 15h 30m total
  • Ontario to London
Search Deals
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 18/1
  • 2 total stops
  • 16h 50m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 3 November 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

Mon 9/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Mon 16/2

11:40-15:00

Nonstop8h 20m

£405

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 9/2

19:40-10:55

1 stop10h 15m

London Gatwick

Tue 17/2

11:55-18:15

1 stop11h 20m

£409

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 28/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Wed 18/3

11:40-16:00

Nonstop8h 20m

£416

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 13/1

10:15-09:45

1 stop18h 30m

London Gatwick

Thu 22/1

11:40-20:55

1 stop14h 15m

£429

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

10:15-09:45

1 stop18h 30m

London Gatwick

Sun 15/3

11:40-09:20

1 stop25h 40m

£429

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Fri 13/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Fri 20/2

11:40-15:00

Nonstop8h 20m

£430

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Mon 17/11

12:30-17:20

3 stops23h 50m

London Gatwick

Mon 24/11

13:10-17:55

3 stops33h 45m

£432

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

10:35-09:45

1 stop18h 10m

London Gatwick

Thu 5/3

11:40-20:55

1 stop14h 15m

£432

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

06:45-09:45

1 stop22h 00m

London Gatwick

Fri 28/11

11:40-09:40

1 stop27h 00m

£432

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

18:20-09:45

1 stop10h 25m

London Gatwick

Wed 4/3

11:40-17:25

1 stop10h 45m

£432

Flights are sorted by cheapest return flights first.

Deals found on 1/11

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, March is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £311). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £453). 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 3 November 2025.

When flying from Region of Ontario to London Gatwick Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 40% versus a flight at midday.

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, Icelandair, or Porter Airlines 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 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 £735 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £192 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £378.

  • 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, March is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £311). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £453). 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
Slough
Gatwick
Hounslow
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Crawley
Brentford
Romford
Chichester
Ipswich
Bedford
Eastbourne

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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£346Average£491FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapest£379Average£495FlexibilityNo 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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