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Cheap flights from Ontario to London Gatwick Airport from £175

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
4 Mar — 11 Mar1
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 2 February 2026.

Wed 4/321:45
YUL
-
LGW
1 stop12h 20m
TAP AIR PORTUGAL
Wed 11/310:40
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 1/2£355
Mon 13/422:45
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Tue 21/416:25
LGW
-
YUL
1 stop33h 20m
TAP AIR PORTUGAL
Deal found 31/1£363
Wed 18/221:45
YUL
-
LGW
1 stop12h 20m
TAP AIR PORTUGAL
Wed 25/210:40
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 2/2£364
Wed 4/321:45
YUL
-
LGW
1 stop12h 20m
TAP AIR PORTUGAL
Thu 12/316:00
LGW
-
YUL
1 stop33h 15m
TAP AIR PORTUGAL
Deal found 31/1£366
Wed 4/321:45
YUL
-
LGW
1 stop12h 20m
TAP AIR PORTUGAL
Fri 13/310:40
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 31/1£367
Wed 25/322:45
YUL
-
LGW
1 stop12h 20m
TAP AIR PORTUGAL
Tue 5/516:25
LGW
-
YUL
1 stop33h 20m
TAP AIR PORTUGAL
Deal found 31/1£369
Mon 2/321:45
YUL
-
LGW
1 stop13h 00m
TAP AIR PORTUGAL
Tue 10/316:35
LGW
-
YUL
1 stop32h 40m
TAP AIR PORTUGAL
Deal found 31/1£370
Mon 2/321:45
YUL
-
LGW
1 stop13h 00m
TAP AIR PORTUGAL
Sat 14/316:35
LGW
-
YUL
1 stop32h 40m
TAP AIR PORTUGAL
Deal found 31/1£372
Thu 5/221:35
YYZ
-
LGW
Nonstop7h 10m
Air Transat
Wed 11/211:40
LGW
-
YYZ
Nonstop8h 20m
Air Transat
Deal found 30/1£375
Tue 24/219:40
YYZ
-
LGW
1 stop10h 15m
Icelandair
Wed 4/311:55
LGW
-
YYZ
1 stop11h 20m
Icelandair
Deal found 1/2£376
Sun 19/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Sat 25/415:40
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 1/2£377
Wed 15/420:45
YYZ
-
LGW
1 stop12h 55m
Icelandair
Fri 24/415:40
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 1/2£378

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 2 February 2026.

Round-trip from

£355

One-way from

£175

Popular in

December

Cheapest in

February

Average price

£376

Good round-trip deal

£389 or less

Good one-way deal

£258 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 4/3-11/3
  • 2 total stops
  • 26h 55m total
  • Ontario to London
Search Deals
20/5
  • 20/5
  • 1 total stop
  • 14h 20m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£16 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 February 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 2 February 2026.
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

YTZ - LGW

YTZLGW

Toronto Island

Mon 4/5

20:55-09:50

1 stop31h 55m

London Gatwick

Wed 20/5

11:35-12:00

1 stop29h 25m

£391

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 23/3

05:30-10:00

2 stops24h 30m

London Gatwick

Wed 29/4

20:50-18:20

2 stops26h 30m

£393

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Wed 25/2

10:00-09:45

1 stop18h 45m

London Gatwick

Wed 4/3

11:40-18:23

1 stop11h 43m

£394

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Mon 11/5

20:55-09:50

1 stop31h 55m

London Gatwick

Wed 20/5

11:35-19:20

1 stop12h 45m

£394

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 1/3

15:05-09:45

1 stop13h 40m

London Gatwick

Sun 8/3

11:40-08:23

1 stop24h 43m

£396

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 19/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Wed 4/3

11:40-15:00

Nonstop8h 20m

£396

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 19/2

21:35-09:45

Nonstop7h 10m

London Gatwick

Sun 1/3

11:40-15:00

Nonstop8h 20m

£396

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Thu 14/5

20:45-07:55

1 stop30h 10m

London Gatwick

Fri 29/5

09:40-16:33

1 stop11h 53m

£397

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 5/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 13/5

11:35-14:15

Nonstop7h 40m

£397

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sat 9/5

22:05-09:50

Nonstop6h 45m

London Gatwick

Wed 27/5

11:35-14:15

Nonstop7h 40m

£397

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 £317). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £434). 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 2 February 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 12h 55m. Fly via Porter Airlines, Air Transat, or Icelandair 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 £380 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £96 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £348.

  • 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 £317). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £434). 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
Luton
Wembley
Gatwick
Slough
Ilford
Hounslow
Brentford
Hayes
Colchester
Watford
Guildford
Bedford
Chelmsford
Eastbourne
Crawley
Kingston upon Thames
Romford
Ipswich

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

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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£333Average£458FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapest£369Average£469FlexibilityNo 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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