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Cheap flights from Ontario to London Gatwick Airport from C$ 338

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
4 Apr — 11 Apr1
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 5 March 2026.

Fri 6/39:45 p.m.
YUL
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Sun 15/310:40 a.m.
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 2/3C$ 685
Sun 8/310:45 p.m.
YUL
-
LGW
1 stop31h 05m
TAP AIR PORTUGAL
Sun 15/310:40 a.m.
LGW
-
YUL
1 stop14h 35m
TAP AIR PORTUGAL
Deal found 1/3C$ 687
Mon 1/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Sun 7/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 2/3C$ 689
Mon 15/610:45 p.m.
YUL
-
LGW
1 stop30h 00m
TAP AIR PORTUGAL
Mon 22/610:35 a.m.
LGW
-
YUL
1 stop15h 35m
TAP AIR PORTUGAL
Deal found 1/3C$ 700
Thu 21/58:45 p.m.
YTZ
-
LGW
1 stop30h 10m
Air Transat
Sat 30/511:35 a.m.
LGW
-
YTZ
1 stop13h 40m
Air Transat
Deal found 28/2C$ 705
Fri 8/511:15 p.m.
YYZ
-
LGW
1 stop29h 35m
Air Transat
Mon 18/512:40 p.m.
LGW
-
YYZ
Nonstop8h 00m
Air Transat
Deal found 1/3C$ 705
Fri 17/411:10 p.m.
YYZ
-
LGW
1 stop10h 30m
Icelandair
Sat 25/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 28/2C$ 707
Tue 5/54:00 p.m.
YTZ
-
LGW
1 stop12h 50m
Air Transat
Sun 10/511:35 a.m.
LGW
-
YTZ
1 stop13h 40m
Air Transat
Deal found 28/2C$ 708
Mon 1/610:45 p.m.
YUL
-
LGW
1 stop11h 50m
TAP AIR PORTUGAL
Wed 10/64:25 p.m.
LGW
-
YUL
1 stop33h 45m
TAP AIR PORTUGAL
Deal found 28/2C$ 708
Wed 15/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Sat 25/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Deal found 3/3C$ 708
Wed 15/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Thu 23/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Deal found 5/3C$ 709
Thu 14/55:00 p.m.
YTZ
-
LGW
1 stop11h 50m
Air Transat
Sat 30/511:35 a.m.
LGW
-
YTZ
1 stop13h 40m
Air Transat
Deal found 3/3C$ 711

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 5 March 2026.

Round-trip from

C$ 689

One-way from

C$ 338

Popular in

December

Cheapest in

May

Average price

C$ 794

Good round-trip deal

C$ 455 or less

Good one-way deal

C$ 66 or less
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 1/6-7/6
  • 2 total stops
  • 27h 25m total
  • Ontario to London
Search Deals
24/3
  • 24/3
  • 1 total stop
  • 23h 00m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 5 March 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

Wed 29/4

7:20 p.m.-10:45 a.m.

1 stop10h 25m

London Gatwick

Mon 11/5

12:40 p.m.-7:32 p.m.

1 stop11h 52m

C$ 757

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

8:25 p.m.-10:30 p.m.

1 stop21h 05m

London Gatwick

Wed 22/4

5:55 p.m.-12:50 p.m.

1 stop23h 55m

C$ 795

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Wed 13/5

8:55 p.m.-9:50 a.m.

1 stop31h 55m

London Gatwick

Tue 16/6

9:40 a.m.-4:33 p.m.

1 stop11h 53m

C$ 808

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Sat 9/5

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

Nonstop7h 00m

London Gatwick

Sun 14/6

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

C$ 815

TorontoLondon

YKF - LGW

YKFLGW

Toronto Region of Waterloo Intl

Mon 30/3

6:30 a.m.-6:20 a.m.

2 stops18h 50m

London Gatwick

Tue 28/4

9:35 p.m.-6:20 p.m.

2 stops25h 45m

C$ 820

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

8:25 p.m.-9:10 p.m.

1 stop19h 45m

London Gatwick

Wed 22/4

5:55 p.m.-12:50 p.m.

1 stop23h 55m

C$ 835

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 14/5

6:35 p.m.-10:45 a.m.

1 stop11h 10m

London Gatwick

Tue 19/5

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

1 stop12h 20m

C$ 845

OttawaLondon

YOW - LGW

YOWLGW

Ottawa

Thu 14/5

4:00 p.m.-7:55 a.m.

1 stop10h 55m

London Gatwick

Mon 18/5

12:40 p.m.-12:25 a.m.

1 stop16h 45m

C$ 845

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

6:50 p.m.-7:35 p.m.

1 stop19h 45m

London Gatwick

Thu 18/6

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

1 stop24h 05m

C$ 849

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Mon 8/6

11:00 a.m.-10:45 a.m.

1 stop18h 45m

London Gatwick

Thu 18/6

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

C$ 860

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

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, March is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of C$ 600). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of C$ 815). 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 5 March 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.

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$ 757, Porter Airlines can have you in London Gatwick Airport from Region of Ontario in 10h 25m. 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 Air Transat (C$ 306), WestJet (C$ 313), and Porter Airlines (C$ 331).

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

    Most travellers choose Toronto Pearson Intl - London Gatwick, Montreal Pierre Elliott Trudeau Intl - London Gatwick or Toronto Island - 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$ 618 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is C$ 71 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at C$ 538.

  • 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, March is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of C$ 600). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of C$ 815). 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
Twickenham
Sutton
Gatwick
Slough
Marlow
Cobham
Romford
Watford
Bedford
Luton
High Wycombe
Hounslow

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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 8 airlines flying from Ontario to Gatwick

Discover the top 8 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 5 March 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 424AverageC$ 812FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
WestJetCheapestC$ 474AverageC$ 952FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 572AverageC$ 867FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 597AverageC$ 840FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 640AverageC$ 773FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Porter AirlinesCheapestC$ 643AverageC$ 933FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 713AverageC$ 803FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapestC$ 747AverageC$ 911FlexibilityNo 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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