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Cheap flights from Ontario to London Gatwick Airport from C$ 366

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
16 Jul — 23 Jul1
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 16 June 2026.

Sun 14/67:00 a.m.
YOW
-
LGW
1 stop22h 45m
Air Transat
Sun 21/611:35 a.m.
LGW
-
YOW
1 stop11h 00m
Air Transat
Deal found 13/6C$ 763
Sun 21/67:00 a.m.
YOW
-
LGW
1 stop22h 45m
Air Transat
Sun 28/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 15/6C$ 766
Sun 6/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 13/99:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 13/6C$ 769
Fri 25/97:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 2/109:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 11/6C$ 770
Sun 14/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Tue 23/611:35 a.m.
LGW
-
YOW
1 stop11h 00m
Air Transat
Deal found 13/6C$ 773
Thu 27/87:00 a.m.
YOW
-
LGW
1 stop22h 45m
Air Transat
Thu 17/912:40 p.m.
LGW
-
YOW
1 stop31h 15m
Air Transat
Deal found 13/6C$ 776
Fri 19/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Fri 3/79:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 15/6C$ 777
Fri 19/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Sun 21/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 15/6C$ 778
Tue 23/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Tue 7/79:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 11/6C$ 780
Tue 16/67:00 a.m.
YOW
-
LGW
1 stop22h 45m
Air Transat
Tue 30/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Deal found 14/6C$ 781
Tue 1/98:35 p.m.
YUL
-
LGW
1 stop30h 20m
Air Transat
Tue 8/912:40 p.m.
LGW
-
YUL
1 stop33h 22m
Air Transat
Deal found 13/6C$ 785
Thu 1/105:00 p.m.
YUL
-
LGW
1 stop9h 55m
Air Transat
Sat 10/109:40 a.m.
LGW
-
YUL
1 stop12h 22m
Air Transat
Deal found 13/6C$ 787

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 16 June 2026.

Round-trip from

C$ 763

One-way from

C$ 366

Popular in

July

Cheapest in

February

Average price

C$ 1,017

Good round-trip deal

C$ 771 or less

Good one-way deal

C$ 464 or less
Air Transat
  • Air Transat
  • 4/9-8/9
  • 2 total stops
  • 54h 00m total
  • Ontario to London
Search Deals
22/7
  • 22/7
  • 1 total stop
  • 14h 30m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (C$ 239 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 16 June 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

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 11/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Mon 2/11

11:40 a.m.-8:13 a.m.

1 stop25h 33m

C$ 784

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Sun 11/10

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Tue 3/11

11:40 a.m.-12:43 a.m.

1 stop18h 03m

C$ 784

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Fri 25/9

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

London Gatwick

Thu 1/10

12:40 p.m.-8:00 p.m.

1 stop12h 20m

C$ 788

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 20/10

5:00 p.m.-10:45 a.m.

1 stop12h 45m

London Gatwick

Tue 3/11

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

1 stop15h 40m

C$ 794

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 28/9

4:00 p.m.-10:45 a.m.

1 stop13h 45m

London Gatwick

Thu 8/10

12:40 p.m.-8:00 p.m.

1 stop12h 20m

C$ 799

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Sat 18/7

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

1 stop11h 55m

London Gatwick

Sat 25/7

11:35 a.m.-8:13 p.m.

1 stop13h 38m

C$ 822

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Mon 21/9

8:40 a.m.-7:55 a.m.

1 stop18h 15m

London Gatwick

Fri 25/9

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

C$ 829

HamiltonLondon

YHM - LGW

YHMLGW

Hamilton

Sat 25/7

10:25 a.m.-9:25 a.m.

2 stops18h 00m

London Gatwick

Sun 13/9

8:40 p.m.-11:15 p.m.

3 stops31h 35m

C$ 832

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Wed 15/7

6:55 p.m.-9:50 a.m.

1 stop9h 55m

London Gatwick

Fri 18/9

11:35 a.m.-8:15 p.m.

1 stop13h 40m

C$ 833

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Tue 28/7

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

1 stop11h 55m

London Gatwick

Tue 4/8

11:35 a.m.-10:20 p.m.

1 stop15h 45m

C$ 843

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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, November is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of C$ 368). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of C$ 1,507). 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 16 June 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 to fly round-trip from Region of Ontario to London Gatwick Airport?

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 86 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$ 788, Porter Airlines can have you in London Gatwick Airport from Region of Ontario in 7h 15m. The distance between Region of Ontario and London Gatwick Airport is about 5375 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$ 278), TAP AIR PORTUGAL (C$ 321), and Air Transat (C$ 365).

  • 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$ 732 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is C$ 407 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at C$ 586.

  • 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, November is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of C$ 368). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of C$ 1,507). 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
Hounslow
Slough
Marlow
Cobham
Watford
Luton
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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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 16 June 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 114AverageC$ 1,054FlexibilityNo cancel feeOn-time60%
Search WestJet flights
TAP AIR PORTUGALCheapestC$ 610AverageC$ 864FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 643AverageC$ 764FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapestC$ 683AverageC$ 930FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 743AverageC$ 1,172FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 890AverageC$ 964FlexibilityNo 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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