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Cheap flights from Ontario to London Gatwick Airport from C$ 352

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 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
2 Sep — 9 Sep1
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 3 August 2026.

Sun 13/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 20/911:35 a.m.
LGW
-
YOW
1 stop11h 00m
Air Transat
Deal found 30/7C$ 647
Sun 13/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Tue 22/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 29/7C$ 668
Tue 15/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 25/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 2/8C$ 675
Fri 18/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Wed 23/99:40 a.m.
LGW
-
YOW
1 stop27h 25m
Air Transat
Deal found 30/7C$ 689
Tue 8/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 13/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 31/7C$ 692
Fri 18/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Wed 23/99:40 a.m.
LGW
-
YUL
1 stop14h 40m
Air Transat
Deal found 29/7C$ 724
Tue 6/1010:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 16/1011:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 29/7C$ 727
Thu 10/911:40 p.m.
YUL
-
LGW
1 stop18h 25m
Multiple Airlines
Thu 17/96:00 a.m.
LGW
-
YUL
1 stop15h 05m
Multiple Airlines
Deal found 31/7C$ 729
Thu 10/911:40 p.m.
YUL
-
LGW
1 stop18h 25m
Multiple Airlines
Mon 21/96:00 a.m.
LGW
-
YUL
1 stop15h 05m
Multiple Airlines
Deal found 29/7C$ 731
Thu 10/98:35 p.m.
YUL
-
LGW
1 stop9h 10m
Air Transat
Mon 21/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 31/7C$ 737
Fri 18/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Fri 25/911:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Deal found 31/7C$ 738
Sun 20/910:05 p.m.
YUL
-
LGW
Nonstop6h 45m
Air Transat
Mon 28/99:40 a.m.
LGW
-
YUL
1 stop14h 50m
Air Transat
Deal found 29/7C$ 741

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 3 August 2026.

Round-trip from

C$ 647

One-way from

C$ 352

Popular in

December

Cheapest in

February

Average price

C$ 1,160

Good round-trip deal

C$ 685 or less

Good one-way deal

C$ 423 or less
Air Transat
  • Air Transat
  • 13/9-20/9
  • 1 total stop
  • 18h 15m total
  • Ontario to London
Search Deals
5/10
  • 5/10
  • 1 total stop
  • 19h 50m total
  • Ontario to London
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 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

 
Customize 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 629,999 searches. Data last updated 3 August 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 round-trip

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 10/9

11:40 p.m.-11:05 p.m.

1 stop18h 25m

London Gatwick

Thu 17/9

6:00 a.m.-4:05 p.m.

1 stop15h 05m

C$ 729

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Mon 7/9

8:45 p.m.-7:55 a.m.

1 stop30h 10m

London Gatwick

Tue 22/9

9:40 a.m.-6:55 p.m.

1 stop14h 15m

C$ 771

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Wed 19/8

6:45 p.m.-9:50 a.m.

1 stop10h 05m

London Gatwick

Sun 30/8

9:40 a.m.-6:58 p.m.

1 stop14h 18m

C$ 776

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Wed 19/8

4:55 p.m.-9:50 a.m.

1 stop11h 55m

London Gatwick

Tue 25/8

11:35 a.m.-10:05 p.m.

1 stop15h 30m

C$ 780

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 8/9

9:30 p.m.-9:05 p.m.

1 stop18h 35m

London Gatwick

Tue 15/9

4:30 p.m.-11:35 a.m.

1 stop24h 05m

C$ 821

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 15/10

8:35 p.m.-10:45 a.m.

1 stop9h 10m

London Gatwick

Thu 29/10

11:40 a.m.-10:20 p.m.

1 stop14h 40m

C$ 822

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 27/11

6:45 a.m.-9:45 a.m.

1 stop22h 00m

London Gatwick

Sat 5/12

11:40 a.m.-12:35 a.m.

1 stop17h 55m

C$ 842

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Fri 4/9

3:45 p.m.-9:25 a.m.

2 stops12h 40m

London Gatwick

Thu 24/9

6:00 a.m.-10:25 p.m.

3 stops21h 25m

C$ 852

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 14/9

3:50 p.m.-9:25 a.m.

2 stops12h 35m

London Gatwick

Tue 22/9

6:00 a.m.-6:20 p.m.

2 stops17h 20m

C$ 859

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sat 19/9

8:40 a.m.-10:45 a.m.

1 stop21h 05m

London Gatwick

Wed 23/9

9:40 a.m.-8:00 p.m.

1 stop15h 20m

C$ 863

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/7

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 round-trip 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, February is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of C$ 754). Flying from Region of Ontario to London Gatwick Airport in December is currently the most expensive (average of C$ 1,281). 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 August 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 3 August 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 to fly round-trip from Region of Ontario to London Gatwick Airport?

Airfare is below average for this route at the moment.
Region of Ontario to London Gatwick Airport flights typically cost between C$ 977 and C$ 1,338 in December.
The cheapest round-trip price found within the last 5 days was C$ 761 on TAP AIR PORTUGAL (5 Dec-12 Jan).

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

The best time to book flights from Region of Ontario to London Gatwick Airport is 53 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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?

    For as low as C$ 724, Air Transat can have you in London Gatwick Airport from Region of Ontario in 6h 45m. The distance between Region of Ontario and London Gatwick Airport is about 5243 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Region of Ontario to London Gatwick Airport one-way?

    The cheapest airlines for a one-way flight from Region of Ontario to London Gatwick Airport are WestJet (C$ 57), TAP AIR PORTUGAL (C$ 322), and Air Transat (C$ 369).

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

    Most travellers choose Toronto Pearson Intl - London Gatwick, Toronto Island - London Gatwick or Montreal Pierre Elliott Trudeau Intl - London Gatwick when deciding on the best route from Region of Ontario to London Gatwick Airport.

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

    On average you can expect to pay C$ 1,026 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is C$ 395 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at C$ 615.

  • 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 vacation 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, February is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of C$ 754). Flying from Region of Ontario to London Gatwick Airport in December is currently the most expensive (average of C$ 1,281). 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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Luton
Slough
Marlow
Cobham
Hounslow
Watford
High Wycombe

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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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Halifax to Stansted flights
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Halifax to London City flights
Abbotsford to London City flights
Edmonton to Stansted flights
Winnipeg to Heathrow flights
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Halifax to Luton flights
Québec City to Heathrow flights
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St. John's to Gatwick flights
Fredericton to Gatwick flights

Top 6 airlines flying from Ontario to Gatwick

Discover the top 6 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 629,999 searches. Data last updated 3 August 2026.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapestC$ 612AverageC$ 866FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 645AverageC$ 760FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 685AverageC$ 868FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 755AverageC$ 1,053FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 784AverageC$ 1,094FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 925AverageC$ 1,030FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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 helps you search for flights from Ontario to Gatwick via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario to Gatwick, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from Ontario to Gatwick on Cheapflights with our Price Alert feature and get notified when better prices are available.

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