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Cheap flights from London Gatwick Airport to Ontario from £273

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 25/2. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Gatwick to Ontario

Enter your travel dates to find the best prices.

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 12 December 2025.

Thu 25/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Tue 27/121:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12£398
Mon 29/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Mon 27/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12£430
Wed 24/1218:40LGW - YUL
1 stop25h 30mSWISS
Fri 16/117:10YUL - LGW
2 stops19h 40mSWISS
Deal found 10/12£434
Sun 28/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Tue 28/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12£438
Wed 24/1218:40LGW - YUL
1 stop25h 30mMultiple Airlines
Fri 16/116:45YUL - LGW
1 stop20h 05mMultiple Airlines
Deal found 10/12£444
Wed 10/1218:40LGW - YUL
1 stop25h 30mSWISS
Fri 9/116:45YUL - LGW
1 stop20h 05mSWISS
Deal found 10/12£446
Thu 25/1218:40LGW - YYZ
2 stops42h 59mMultiple Airlines
Tue 27/111:00YYZ - LGW
2 stops25h 50mMultiple Airlines
Deal found 10/12£447
Tue 23/1218:40LGW - YUL
1 stop25h 30mSWISS
Mon 19/117:10YUL - LGW
2 stops19h 40mSWISS
Deal found 11/12£448
Sun 28/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Thu 30/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12£448
Mon 29/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Sun 26/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12£449
Fri 26/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Tue 28/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12£453
Fri 26/1211:40LGW - YYZ
Nonstop8h 20mAir Transat
Sun 26/422:35YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 11/12£453

Find flight deals from Gatwick to Ontario

Keep the following information in mind while searching for Gatwick to Ontario flight deals. Data was last updated 12 December 2025.

Round-trip from

£393

One-way from

£273

Popular in

December

Cheapest in

February

Average price

£558

Good round-trip deal

£443 or less

Good one-way deal

£370 or less
Air Transat
  • Air Transat
  • 8/1-29/1
  • Nonstop
  • 15h 30m total
  • London to Ontario
Search Deals
25/2
  • 25/2
  • 2 total stops
  • 27h 40m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£20 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£10 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 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

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 12 December 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 23/5

11:35-10:17

1 stop27h 42m

Toronto Island

Sat 6/6

18:55-07:55

1 stop32h 00m

£395

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 8/5

15:40-22:10

1 stop11h 30m

Toronto Pearson Intl

Thu 21/5

23:20-14:40

1 stop10h 20m

£397

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Wed 13/5

11:35-18:07

1 stop11h 32m

Toronto Island

Sat 23/5

12:35-09:50

1 stop16h 15m

£397

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 14/2

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Sat 21/2

21:35-09:45

Nonstop7h 10m

£401

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 15/5

12:40-15:40

Nonstop8h 00m

Toronto Pearson Intl

Sun 31/5

22:45-10:45

Nonstop7h 00m

£405

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 9/5

15:40-22:10

1 stop11h 30m

Toronto Pearson Intl

Wed 27/5

20:45-11:45

1 stop10h 00m

£414

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 24/1

07:35-12:15

1 stop33h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

19:20-11:45

1 stop11h 25m

£443

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 23/12

18:40-15:10

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

17:10-17:50

2 stops19h 40m

£448

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 9/6

09:40-16:27

1 stop11h 47m

Toronto Island

Wed 19/8

18:55-09:50

1 stop9h 55m

£450

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 9/6

09:40-16:27

1 stop11h 47m

Toronto Island

Tue 18/8

21:00-09:50

1 stop31h 50m

£450

Flights are sorted by cheapest return flights first.

Deals found on 11/12

Showing 1-10 of 60 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, February is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of £260). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of £416). 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 12 December 2025.

One of the essential ways to save on airfare from London Gatwick Airport to Region of Ontario is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 39% on airfare.

How much does it cost for a return flight from London Gatwick Airport to Region of Ontario?

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 12 December 2025.
Get a feel of what it's like to fly with Air Transat, Virgin Atlantic, andAir Canada 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
480 reviews
Check prices

Comfort

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Transat
7.8
Good
480 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Comfort

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Virgin Atlantic
7.5
Good
675 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Comfort

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Air Canada
7.1
Good
10,518 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Comfort

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Icelandair
7.0
Good
589 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Comfort

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.
Lufthansa
6.8
Okay
7,626 reviews
Air Transat
7.8
Good
480 reviews
Check prices

Comfort

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

6.8

Boarding

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2025

YYZ - YUL

Easy, fast onboarding, very friendly staff. Seats were very narrow, OK for me but we were elbow to elbow with both neighbours of small size. The seat width should be indicated at the time of booking to prevent an uncomfortable situation with oversized travellers.

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.

  • How long is the flight from London Gatwick Airport to Region of Ontario?

    For as low as £397, Air Transat can have you in Region of Ontario from London Gatwick Airport in 11h 30m. The distance from London Gatwick Airport to Region of Ontario is about 3563 mi. This flight may include one or multiple stops.

  • 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 £600 for a flight from London Gatwick Airport to Region of Ontario. The cheapest flight overall is £291 while the most popular route, (London Gatwick - Toronto Pearson Intl) is currently priced at £315.

  • 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, February is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of £260). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of £416). 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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London City to Ottawa flights
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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 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£290Average£368FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Air TransatCheapest£302Average£461FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Air CanadaCheapest£305Average£386FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapest£348Average£415FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£354Average£485FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£358Average£416FlexibilityNo cancel feeOn-time70%
Search British Airways flights
WestJetCheapest£384Average£519FlexibilityNo cancel feeOn-time60%
Search WestJet 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 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.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Ontario?

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.

Can Cheapflights find flights from Gatwick to Ontario with no change fees?

Yes! Cheapflights helps users easily find flights from Gatwick to Ontario with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Ontario become cheaper?

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