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Cheap flights from London Gatwick Airport to Ontario from £245

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 26/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
9 Jul — 16 Jul1
1 adult

Cheap flight deals from Gatwick to Ontario

Keep the following information in mind while searching for Gatwick to Ontario flight deals. Data was last updated 4 July 2025.

Round-trip from

£336

One-way from

£245

Popular in

August

Cheapest in

February

Average price

£504

Good round-trip deal

£347 or less

Good one-way deal

£262 or less
Air Transat
  • Air Transat
  • 19/9-24/9
  • 2 total stops
  • 31h 35m total
  • London to Ontario
Search Deals
26/8
  • 26/8
  • 1 total stop
  • 22h 45m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 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 London Gatwick to Ontario.
Search Deals
Price to beat on a one-way flight from London Gatwick to Ontario.
Search Deals

Find flight deals from Gatwick to Ontario

Cheapest flights from Gatwick to Ontario
Explore the most affordable flight options available from Gatwick to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 July 2025.

Fri 19/911:35LGW - YTZ
1 stop11h 35mAir Transat
Sat 27/908:50YTZ - LGW
1 stop20h 00mAir Transat
Deal found 1/7£336
Thu 28/810:00LGW - YYZ
Nonstop8h 05mAir Transat
Tue 30/922:45YYZ - LGW
Nonstop7h 00mAir Transat
Deal found 2/7£336
Wed 27/815:40LGW - YYZ
1 stop32h 30mIcelandair
Thu 2/1023:00YYZ - LGW
1 stop10h 40mIcelandair
Deal found 2/7£341
Mon 1/911:35LGW - YUL
Nonstop7h 40mAir Transat
Sat 6/917:50YUL - LGW
1 stop11h 55mAir Transat
Deal found 2/7£344
Thu 16/1018:40LGW - YYZ
1 stop23h 10mSWISS
Thu 23/1020:15YYZ - LGW
1 stop16h 35mSWISS
Deal found 3/7£349
Mon 3/1118:40LGW - YUL
1 stop25h 35mSWISS
Fri 7/1116:50YUL - LGW
1 stop20h 00mSWISS
Deal found 3/7£377
Mon 3/1118:40LGW - YUL
1 stop25h 35mMultiple Airlines
Sat 8/1116:50YUL - LGW
1 stop20h 00mMultiple Airlines
Deal found 3/7£418
Wed 27/809:40LGW - YOW
1 stop19h 42mMultiple Airlines
Sat 6/905:55YOW - LGW
1 stop21h 00mMultiple Airlines
Deal found 3/7£451
Tue 14/1012:40LGW - YOW
1 stop12h 55mAir Transat
Thu 23/1017:05YOW - LGW
1 stop12h 40mAir Transat
Deal found 3/7£483
Tue 19/812:40LGW - YQT
1 stop14h 35mMultiple Airlines
Tue 9/911:50YQT - LGW
2 stops17h 00mMultiple Airlines
Deal found 3/7£677
Thu 28/810:45LGW - YHM
1 stop32h 15mMultiple Airlines
Wed 3/908:15YHM - LGW
1 stop20h 10mMultiple Airlines
Deal found 3/7£687
Sun 17/808:55LGW - YXU
2 stops25h 19mMultiple Airlines
Sun 24/820:00YXU - LGW
3 stops34h 45mMultiple Airlines
Deal found 3/7£722

Cheapflights Fare Finder

Customise your flight search to find flights from Gatwick to Ontario 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 4 July 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Gatwick

Fly to

Ontario

Route

Depart

Return

Price

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 19/9

11:35-18:10

1 stop11h 35m

Toronto Island

Sat 27/9

08:50-09:50

1 stop20h 00m

£336

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 28/8

10:00-13:05

Nonstop8h 05m

Toronto Pearson Intl

Tue 30/9

22:45-10:45

Nonstop7h 00m

£336

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 27/8

15:40-19:10

1 stop32h 30m

Toronto Pearson Intl

Thu 2/10

23:00-14:40

1 stop10h 40m

£341

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 1/9

11:35-14:15

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

17:50-10:45

1 stop11h 55m

£344

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 16/10

18:40-12:50

1 stop23h 10m

Toronto Pearson Intl

Thu 23/10

20:15-17:50

1 stop16h 35m

£349

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 3/11

18:40-15:15

1 stop25h 35m

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

16:50-17:50

1 stop20h 00m

£377

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 3/11

18:40-15:15

1 stop25h 35m

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

16:50-17:50

1 stop20h 00m

£418

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Wed 27/8

09:40-00:22

1 stop19h 42m

Ottawa

Sat 6/9

05:55-07:55

1 stop21h 00m

£451

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 14/10

12:40-20:35

1 stop12h 55m

Ottawa

Thu 23/10

17:05-10:45

1 stop12h 40m

£483

LondonThunder Bay

LGW - YQT

LGWYQT

London Gatwick

Tue 19/8

12:40-22:15

1 stop14h 35m

Thunder Bay

Tue 9/9

11:50-09:50

2 stops17h 00m

£677

Flights are sorted by cheapest return flights first.

Deals found on 3/7

Showing 1-10 of 37 results
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Best time to book a flight from Gatwick to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Gatwick 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 London Gatwick Airport to Ontario

What is the cheapest month to book a flight from London Gatwick Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of £490). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of £708). 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 LGW to ON?

Find hourly flight availability from Gatwick to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Region of Ontario as you normally would.

Weekly flight availability from London Gatwick Airport to Region of Ontario

Explore weekly flight availability from Gatwick to Ontario. 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 4 July 2025.

The most flights from LGW to CAON are scheduled on a Wednesday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 4 July 2025.
Get a feel of what it's like to fly with Air Transat, SWISS, andWestJet from London Gatwick Airport to Ontario by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.8
Good
407 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
SWISS
7.5
Good
1,654 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
WestJet
7.2
Good
2,915 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
TAP AIR PORTUGAL
7.1
Good
1,908 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Icelandair
7.0
Good
514 reviews
Air Transat
7.8
Good
407 reviews
Check prices

Boarding

7.9

Entertainment

7.1

Comfort

7.4

Food

6.8

Overall

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

Find useful and relevant information for your journey from Gatwick to Ontario. 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 London Gatwick Airport to Region of Ontario one-way?

    One-way options have recently been found by users for as low as £246 on Air Transat. Other airlines that offer cheap prices include WestJet from £257 and TAP AIR PORTUGAL from £273 one-way.

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

    While some choose either London Gatwick - Toronto Island or London Gatwick - Montreal Pierre Elliott Trudeau Intl, London Gatwick - Toronto Pearson Intl is the most popular route from London Gatwick Airport to Region of Ontario.

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

    On average you can expect to pay £942 for a flight from London Gatwick Airport to Region of Ontario. The cheapest flight overall is £214 while the most popular route, (London Gatwick - Toronto Pearson Intl) is currently priced at £303.

  • Can I find deals for flights from Gatwick to Ontario that include hotel bookings?

    Yes. In addition to deals on Gatwick to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ontario.

  • Can I find deals for business class flights from Gatwick to Ontario?

    Yes. Cheapflights offers flight deals from Gatwick to Ontario 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 London Gatwick Airport to Region of Ontario?

    Currently, January is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of £490). Flying from London Gatwick Airport to Region of Ontario in July is currently the most expensive (average of £708). 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

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Alternative routes for Gatwick to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Gatwick to Ontario

Discover the top 7 airlines that operate flights from Gatwick to Ontario. 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 4 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£281Average£335FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£297Average£452FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£299Average£366FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£339Average£402FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£347Average£476FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£371Average£447FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapest£383Average£526FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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How does Cheapflights help users find flights from Gatwick to Ontario?

Cheapflights makes it easy to find Gatwick to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Millions of users choose and trust Cheapflights to book the best flight deals from Gatwick to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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