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Cheap flights from Ontario to London Gatwick Airport from £199

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LGW
4 Aug — 11 Aug1
1 adult

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 30 July 2025.

Round-trip from

£402

One-way from

£199

Popular in

December

Cheapest in

February

Average price

£577

Good round-trip deal

£523 or less

Good one-way deal

£203 or less
Air Transat
  • Air Transat
  • 25/8-17/9
  • 1 total stop
  • 25h 50m total
  • Ontario to London
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3/9
  • 3/9
  • 1 total stop
  • 14h 30m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Ontario to London Gatwick.
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Price to beat on a one-way flight from Ontario to London Gatwick.
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Find flight deals from Ontario to Gatwick

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 30 July 2025.

Mon 25/822:10YYZ - LGW
1 stop17h 45mMultiple Airlines
Wed 17/909:40LGW - YYZ
Nonstop8h 05mMultiple Airlines
Deal found 29/7£402
Tue 16/920:50YYZ - LGW
1 stop12h 50mIcelandair
Tue 30/915:40LGW - YYZ
1 stop32h 30mIcelandair
Deal found 29/7£402
Sun 7/910:00YUL - LGW
1 stop16h 55mAir Transat
Sun 21/911:35LGW - YUL
Nonstop7h 40mAir Transat
Deal found 27/7£403
Thu 18/916:40YYZ - LGW
1 stop12h 10mAir Transat
Fri 26/911:35LGW - YYZ
1 stop12h 50mAir Transat
Deal found 28/7£404
Thu 11/921:00YTZ - LGW
1 stop31h 50mAir Transat
Thu 18/911:35LGW - YTZ
1 stop14h 15mAir Transat
Deal found 28/7£405
Tue 9/922:05YUL - LGW
Nonstop6h 45mPorter Airlines
Mon 22/912:40LGW - YUL
1 stop13h 37mPorter Airlines
Deal found 28/7£405
Wed 27/818:55YTZ - LGW
1 stop9h 55mPorter Airlines
Wed 3/911:35LGW - YTZ
1 stop32h 00mPorter Airlines
Deal found 27/7£405
Tue 16/919:50YYZ - LGW
Nonstop7h 05mPorter Airlines
Wed 24/909:40LGW - YYZ
Nonstop8h 05mPorter Airlines
Deal found 28/7£408
Wed 12/1116:45YUL - LGW
1 stop20h 05mSWISS
Tue 18/1118:40LGW - YUL
1 stop25h 30mSWISS
Deal found 29/7£410
Wed 1/1023:00YUL - LGW
1 stop10h 00mMultiple Airlines
Fri 31/1008:30LGW - YUL
1 stop16h 30mMultiple Airlines
Deal found 27/7£412
Mon 22/906:14YYZ - LGW
2 stops20h 56mAmerican Airlines
Thu 2/1015:05LGW - YYZ
2 stops25h 54mAmerican Airlines
Deal found 27/7£417
Fri 3/1010:38YUL - LGW
1 stop16h 32mAmerican Airlines
Wed 15/1015:05LGW - YUL
1 stop23h 45mAmerican Airlines
Deal found 28/7£419

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 30 July 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

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 25/8

22:10-20:55

1 stop17h 45m

London Gatwick

Wed 17/9

09:40-12:45

Nonstop8h 05m

£402

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 16/9

20:50-14:40

1 stop12h 50m

London Gatwick

Tue 30/9

15:40-19:10

1 stop32h 30m

£402

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

10:00-07:55

1 stop16h 55m

London Gatwick

Sun 21/9

11:35-14:15

Nonstop7h 40m

£403

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Thu 18/9

16:40-09:50

1 stop12h 10m

London Gatwick

Fri 26/9

11:35-19:25

1 stop12h 50m

£404

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Tue 9/9

22:05-09:50

Nonstop6h 45m

London Gatwick

Mon 22/9

12:40-21:17

1 stop13h 37m

£405

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Thu 11/9

21:00-09:50

1 stop31h 50m

London Gatwick

Thu 18/9

11:35-20:50

1 stop14h 15m

£405

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Tue 16/9

19:50-07:55

Nonstop7h 05m

London Gatwick

Wed 24/9

09:40-12:45

Nonstop8h 05m

£408

TorontoLondon

YTZ - LGW

YTZLGW

Toronto Island

Tue 26/8

21:00-09:50

1 stop31h 50m

London Gatwick

Tue 9/9

11:35-10:20

1 stop27h 45m

£410

MontrealLondon

YUL - LGW

YULLGW

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

23:00-14:00

1 stop10h 00m

London Gatwick

Fri 31/10

08:30-21:00

1 stop16h 30m

£412

TorontoLondon

YYZ - LGW

YYZLGW

Toronto Pearson Intl

Mon 22/9

06:14-08:10

2 stops20h 56m

London Gatwick

Thu 2/10

15:05-11:59

2 stops25h 54m

£417

Flights are sorted by cheapest return flights first.

Deals found on 29/7

Showing 1-10 of 54 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, April is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £102). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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 30 July 2025.

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 30 July 2025.

The most flights from CAON to LGW are scheduled on a Monday (4 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Gatwick. Reviews last updated 30 July 2025.
Read reviews from past customers who have flown with Porter Airlines, Air Transat, andSWISS from Ontario to London Gatwick Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very Good
318 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
SWISS
7.5
Good
1,686 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
American Airlines
7.2
Good
10,000 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,972 reviews
Porter Airlines
8.0
Very Good
318 reviews
Check prices

Food

7.6

Comfort

8.0

Overall

8.0

Crew

8.7

Boarding

8.2

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

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.

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

    To fly one-way, consider booking your trip with Porter Airlines, which is currently one of the cheapest options available, starting at £199. Air Transat flights start at £199 while deals on TAP AIR PORTUGAL start at £205 one-way.

  • 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 Montreal Pierre Elliott Trudeau Intl - London Gatwick or Toronto Island - London Gatwick.

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

    On average you can expect to pay £440 for a flight from Region of Ontario to London Gatwick Airport. The cheapest flight overall is £185 while the most popular route, (Toronto Pearson Intl - London Gatwick) is currently priced at £355.

  • 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, April is the cheapest month in which you can book a flight from Region of Ontario to London Gatwick Airport (average of £102). Flying from Region of Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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
Hounslow
Deal
Gatwick
Slough
Luton
Wembley
Crawley
Ilford
Hayes
Eastbourne
Southend-on-Sea
Ipswich
Watford
Folkestone
Winchester
Maidstone
Chichester
Guildford

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.
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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 30 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapest£341Average£473FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapest£373Average£487FlexibilityNo 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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