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Cheap flights from Ontario to London Gatwick Airport from C$ 339

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

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

C$ 737

One-way from

C$ 339

Popular in

December

Cheapest in

February

Average price

C$ 807

Good round-trip deal

C$ 794 or less

Good one-way deal

C$ 436 or less
Air Transat
  • Air Transat
  • 11/1-18/1
  • Nonstop
  • 15h 30m total
  • Ontario to London
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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 (C$ 63 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease (C$ 40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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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.
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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 14/117:35 p.m.YYZ - LGW
1 stop16h 45mMultiple Airlines
Sat 22/1110:30 p.m.LGW - YYZ
1 stop17h 45mMultiple Airlines
Deal found 2/11C$ 740
Mon 8/1210:45 p.m.YYZ - LGW
1 stop12h 00mTAP AIR PORTUGAL
Mon 12/14:35 p.m.LGW - YYZ
1 stop27h 45mTAP AIR PORTUGAL
Deal found 1/11C$ 752
Sun 30/117:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Thu 4/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Deal found 2/11C$ 754
Fri 14/115:25 p.m.YYZ - LGW
1 stop18h 55mMultiple Airlines
Tue 18/118:50 a.m.LGW - YYZ
1 stop12h 05mMultiple Airlines
Deal found 1/11C$ 755
Fri 14/117:35 p.m.YYZ - LGW
1 stop17h 05mMultiple Airlines
Wed 19/1111:15 a.m.LGW - YYZ
2 stops33h 55mMultiple Airlines
Deal found 31/10C$ 759
Sun 23/117:35 p.m.YYZ - LGW
1 stop15h 20mMultiple Airlines
Wed 3/1210:10 a.m.LGW - YYZ
2 stops35h 15mMultiple Airlines
Deal found 1/11C$ 761
Mon 1/129:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Sat 6/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 1/11C$ 769
Mon 1/129:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Mon 8/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 2/11C$ 771
Wed 3/1210:45 p.m.YYZ - LGW
1 stop11h 20mTAP AIR PORTUGAL
Wed 10/129:35 a.m.LGW - YYZ
2 stops34h 10mTAP AIR PORTUGAL
Deal found 2/11C$ 772
Mon 10/1112:30 p.m.YTZ - LGW
3 stops25h 55mMultiple Airlines
Mon 17/112:50 p.m.LGW - YTZ
3 stops32h 05mMultiple Airlines
Deal found 2/11C$ 773
Tue 11/117:35 p.m.YYZ - LGW
1 stop13h 25mMultiple Airlines
Tue 18/119:40 p.m.LGW - YYZ
2 stops23h 35mMultiple Airlines
Deal found 2/11C$ 773
Fri 14/119:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Fri 21/1111:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Deal found 2/11C$ 776

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 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

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

10:15 a.m.-9:45 a.m.

1 stop18h 30m

London Gatwick

Sun 15/3

11:40 a.m.-9:20 a.m.

1 stop25h 40m

C$ 790

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Mon 17/11

12:30 p.m.-5:20 p.m.

3 stops23h 50m

London Gatwick

Mon 24/11

1:10 p.m.-5:55 p.m.

3 stops33h 45m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

10:35 a.m.-9:45 a.m.

1 stop18h 10m

London Gatwick

Thu 5/3

11:40 a.m.-8:55 p.m.

1 stop14h 15m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Thu 5/3

11:40 a.m.-8:55 p.m.

1 stop14h 15m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

6:20 p.m.-9:45 a.m.

1 stop10h 25m

London Gatwick

Wed 4/3

11:40 a.m.-5:25 p.m.

1 stop10h 45m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

6:20 p.m.-9:45 a.m.

1 stop10h 25m

London Gatwick

Mon 2/3

11:40 a.m.-8:55 p.m.

1 stop14h 15m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Thu 26/2

10:35 a.m.-9:45 a.m.

1 stop18h 10m

London Gatwick

Sat 7/3

11:40 a.m.-9:05 a.m.

1 stop26h 25m

C$ 796

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

2:30 p.m.-9:45 a.m.

1 stop14h 15m

London Gatwick

Sun 15/2

11:40 a.m.-6:25 p.m.

1 stop11h 45m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

5:25 p.m.-9:45 a.m.

1 stop11h 20m

London Gatwick

Thu 19/2

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

1 stop17h 55m

C$ 797

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 10/2

5:25 p.m.-9:45 a.m.

1 stop11h 20m

London Gatwick

Fri 13/2

11:40 a.m.-9:20 a.m.

1 stop26h 40m

C$ 797

Flights are sorted by cheapest round-trip 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 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$ 573). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of C$ 835). 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.

One of the essential ways to save on airfare from Region of Ontario to London Gatwick Airport is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Region of Ontario to London Gatwick Airport?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Gatwick. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their Region of Ontario to London Gatwick Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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$ 835, Air Transat can have you in London Gatwick Airport from Region of Ontario in 10h 15m. The distance between Region of Ontario and London Gatwick Airport is about 5734 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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$ 1,261 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is C$ 381 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at C$ 696.

  • 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$ 573). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of C$ 835). 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
Sutton
Twickenham
Slough
Marlow
Milton Keynes
Romford
Watford
Bedford
Luton
Gatwick
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 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapestC$ 434AverageC$ 901FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 586AverageC$ 921FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 646AverageC$ 711FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
IcelandairCheapestC$ 652AverageC$ 834FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Porter AirlinesCheapestC$ 659AverageC$ 889FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 719AverageC$ 931FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
WestJetCheapestC$ 723AverageC$ 957FlexibilityNo cancel feeOn-time60%
Search WestJet flights
British AirwaysCheapestC$ 730AverageC$ 804FlexibilityNo cancel feeOn-time70%
Search British Airways 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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