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Cheap flights from London Gatwick Airport to Ontario from £246

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 21/8. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
6 Jul — 13 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 1 July 2025.

Round-trip from

£332

One-way from

£246

Popular in

August

Cheapest in

February

Average price

£502

Good round-trip deal

£345 or less

Good one-way deal

£260 or less
Air Transat
  • Air Transat
  • 6/9-18/9
  • 2 total stops
  • 23h 20m total
  • London to Ontario
WestJet
  • WestJet
  • 21/8
  • 1 total stop
  • 11h 06m total
  • London to Ontario
Highest demand for flights based on searches. 11% potential increase in price (£39 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from London Gatwick to Ontario.
Price to beat on a one-way flight from London Gatwick to Ontario.

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 1 July 2025.

Sat 6/911:35LGW - YTZ
1 stop13h 25mAir Transat
Thu 18/918:55YTZ - LGW
1 stop9h 55mAir Transat
Deal found 29/6£332
Sat 8/1111:55LGW - YYZ
1 stop11h 20mIcelandair
Sat 15/1119:45YYZ - LGW
1 stop10h 10mIcelandair
Deal found 30/6£332
Mon 25/811:35LGW - YYZ
1 stop14h 55mAir Transat
Fri 12/922:45YYZ - LGW
Nonstop7h 00mAir Transat
Deal found 30/6£333
Sat 27/912:40LGW - YUL
1 stop13h 37mAir Transat
Sun 5/1016:00YUL - LGW
1 stop13h 45mAir Transat
Deal found 30/6£340
Mon 1/918:35LGW - YUL
1 stop25h 25mSWISS
Wed 24/916:40YUL - LGW
1 stop20h 15mSWISS
Deal found 28/6£342
Mon 22/918:35LGW - YYZ
1 stop23h 15mSWISS
Tue 30/920:15YYZ - LGW
1 stop16h 35mSWISS
Deal found 30/6£348
Wed 8/1016:25LGW - YYZ
1 stop33h 55mTAP AIR PORTUGAL
Tue 14/1017:40YYZ - LGW
1 stop16h 55mTAP AIR PORTUGAL
Deal found 29/6£352
Wed 15/1018:35LGW - YYZ
1 stop23h 15mMultiple Airlines
Tue 21/1009:00YYZ - LGW
2 stops27h 50mMultiple Airlines
Deal found 30/6£365
Mon 1/918:10LGW - YUL
1 stop22h 25mMultiple Airlines
Tue 23/918:50YUL - LGW
1 stop19h 30mMultiple Airlines
Deal found 28/6£379
Mon 1/921:30LGW - YTZ
2 stops24h 15mMultiple Airlines
Mon 8/912:25YTZ - LGW
2 stops25h 10mMultiple Airlines
Deal found 29/6£422
Wed 1/1018:35LGW - YOW
2 stops33h 29mSWISS
Wed 8/1009:05YOW - LGW
2 stops27h 50mSWISS
Deal found 30/6£470
Mon 25/811:35LGW - YOW
2 stops17h 47mMultiple Airlines
Mon 8/905:55YOW - LGW
1 stop21h 00mMultiple Airlines
Deal found 30/6£472

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 1 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

Sat 6/9

11:35-20:00

1 stop13h 25m

Toronto Island

Thu 18/9

18:55-09:50

1 stop9h 55m

£332

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 8/11

11:55-18:15

1 stop11h 20m

Toronto Pearson Intl

Sat 15/11

19:45-10:55

1 stop10h 10m

£332

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 25/8

11:35-21:30

1 stop14h 55m

Toronto Pearson Intl

Fri 12/9

22:45-10:45

Nonstop7h 00m

£333

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 27/9

12:40-21:17

1 stop13h 37m

Montreal Pierre Elliott Trudeau Intl

Sun 5/10

16:00-10:45

1 stop13h 45m

£340

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 1/9

18:35-15:00

1 stop25h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

16:40-17:55

1 stop20h 15m

£342

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 22/9

18:35-12:50

1 stop23h 15m

Toronto Pearson Intl

Tue 30/9

20:15-17:50

1 stop16h 35m

£348

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 8/10

16:25-21:20

1 stop33h 55m

Toronto Pearson Intl

Tue 14/10

17:40-15:35

1 stop16h 55m

£352

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 15/10

18:35-12:50

1 stop23h 15m

Toronto Pearson Intl

Tue 21/10

09:00-17:50

2 stops27h 50m

£365

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 1/9

18:10-11:35

1 stop22h 25m

Montreal Pierre Elliott Trudeau Intl

Tue 23/9

18:50-19:20

1 stop19h 30m

£379

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Mon 1/9

21:30-16:45

2 stops24h 15m

Toronto Island

Mon 8/9

12:25-18:35

2 stops25h 10m

£422

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 40 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 1 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 1 July 2025.

The most flights from LGW to CAON are scheduled on a Saturday (5 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 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 1 July 2025.
Get a feel of what it's like to fly with Delta, Air Transat, andSWISS 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.

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good
8.0
Very Good

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

Entertainment

7.9

Overall

8.0

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
6.0
Good

Colin,Sept 2024

LHR - BOS

Delta One is very poor quality seating for first class. On multiple trips pieces have come off the seat. Staff and food have been good

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 WestJet. Other airlines that offer cheap prices include Air Transat from £247 and TAP AIR PORTUGAL from £271 one-way.

  • What are the most popular routes 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 £938 for a flight from London Gatwick Airport to Region of Ontario. The cheapest flight overall is £213 while the most popular route, (London Gatwick - Toronto Pearson Intl) is currently priced at £301.

  • 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.

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 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£280Average£333FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£295Average£450FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£298Average£364FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£337Average£400FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£346Average£474FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£369Average£445FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapest£381Average£523FlexibilityNo cancel feeOn-time60%
Search WestJet flights

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