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Cheap flights from London Gatwick Airport to Ontario from C$ 505

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 25/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Tue 27/19:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12C$ 735
Mon 29/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Mon 27/410:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12C$ 794
Wed 24/126:40 p.m.LGW - YUL
1 stop25h 30mSWISS
Fri 16/15:10 p.m.YUL - LGW
2 stops19h 40mSWISS
Deal found 10/12C$ 801
Sun 28/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Wed 29/410:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12C$ 808
Thu 25/1211:40 a.m.LGW - YUL
1 stop15h 40mAir Transat
Thu 15/12:30 p.m.YUL - LGW
1 stop14h 15mAir Transat
Deal found 9/12C$ 819
Wed 24/126:40 p.m.LGW - YUL
1 stop25h 30mMultiple Airlines
Fri 16/14:45 p.m.YUL - LGW
1 stop20h 05mMultiple Airlines
Deal found 10/12C$ 821
Wed 10/126:40 p.m.LGW - YUL
1 stop25h 30mSWISS
Fri 9/14:45 p.m.YUL - LGW
1 stop20h 05mSWISS
Deal found 10/12C$ 823
Tue 23/126:40 p.m.LGW - YUL
1 stop25h 30mSWISS
Fri 9/14:45 p.m.YUL - LGW
1 stop20h 05mSWISS
Deal found 9/12C$ 825
Thu 25/126:40 p.m.LGW - YYZ
2 stops42h 59mMultiple Airlines
Tue 27/111:00 a.m.YYZ - LGW
2 stops25h 50mMultiple Airlines
Deal found 10/12C$ 826
Tue 23/126:40 p.m.LGW - YUL
1 stop25h 30mSWISS
Mon 19/15:10 p.m.YUL - LGW
2 stops19h 40mSWISS
Deal found 11/12C$ 827
Sun 28/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Thu 30/410:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12C$ 827
Mon 29/1211:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Wed 29/410:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 10/12C$ 829

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

C$ 725

One-way from

C$ 505

Popular in

December

Cheapest in

February

Average price

C$ 1,030

Good round-trip deal

C$ 739 or less

Good one-way deal

C$ 725 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 (C$ 68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT 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

 
Customize 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 629,999 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 a.m.-10:17 a.m.

1 stop27h 42m

Toronto Island

Sat 6/6

6:55 p.m.-7:55 a.m.

1 stop32h 00m

C$ 730

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 8/5

3:40 p.m.-10:10 p.m.

1 stop11h 30m

Toronto Pearson Intl

Thu 21/5

11:20 p.m.-2:40 p.m.

1 stop10h 20m

C$ 734

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Wed 13/5

11:35 a.m.-6:07 p.m.

1 stop11h 32m

Toronto Island

Sat 23/5

12:35 p.m.-9:50 a.m.

1 stop16h 15m

C$ 734

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sat 14/2

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

Toronto Pearson Intl

Sat 21/2

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

Nonstop7h 10m

C$ 741

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 15/5

12:40 p.m.-3:40 p.m.

Nonstop8h 00m

Toronto Pearson Intl

Sun 31/5

10:45 p.m.-10:45 a.m.

Nonstop7h 00m

C$ 747

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 24/1

7:35 a.m.-12:15 p.m.

1 stop33h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 31/1

7:20 p.m.-11:45 a.m.

1 stop11h 25m

C$ 818

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 23/12

6:40 p.m.-3:10 p.m.

1 stop25h 30m

Montreal Pierre Elliott Trudeau Intl

Mon 19/1

5:10 p.m.-5:50 p.m.

2 stops19h 40m

C$ 827

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 28/12

11:40 a.m.-3:00 p.m.

Nonstop8h 20m

Toronto Pearson Intl

Thu 30/4

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

Nonstop7h 10m

C$ 827

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 9/6

9:40 a.m.-4:27 p.m.

1 stop11h 47m

Toronto Island

Wed 19/8

6:55 p.m.-9:50 a.m.

1 stop9h 55m

C$ 830

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 9/6

9:40 a.m.-4:27 p.m.

1 stop11h 47m

Toronto Island

Tue 18/8

9:00 p.m.-9:50 a.m.

1 stop31h 50m

C$ 830

Flights are sorted by cheapest round-trip 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 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 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 C$ 480). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 768). 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.

It’s typically best to fly out from London Gatwick Airport to Region of Ontario in the evening. Doing so could potentially save you 47% on the flight price compared to flying in the afternoon, which is usually more expensive.

How much does it cost to fly round-trip 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 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

Food

6.8

Boarding

7.9

Comfort

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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

Food

6.8

Boarding

7.9

Comfort

7.3

Overall

7.8

Entertainment

7.1

Crew

8.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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?

    Departing from London Gatwick Airport to Region of Ontario will take you 11h 30m. The distance from London Gatwick Airport to Region of Ontario is about 5734 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 262. Air Transat flights start at C$ 389 while deals on Icelandair start at C$ 573 one-way.

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

    The most popular flight routes from London Gatwick Airport to Region of Ontario are London Gatwick - Toronto Pearson Intl, London Gatwick - Toronto Island and London Gatwick - Montreal Pierre Elliott Trudeau Intl.

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

    Looking at all options, your cheapest flight can be booked for C$ 503. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 582 on average, our data indicates C$ 859 when flying from London Gatwick Airport to Region of Ontario.

  • 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 vacation 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 C$ 480). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 768). 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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Heathrow to Québec City flights

Top airline flying from Gatwick to Ontario

Discover the top airline 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 592AverageC$ 870FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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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 Gatwick to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Gatwick to Ontario. 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 Gatwick to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Gatwick to Ontario for you. Better yet — we are completely free to use.

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

Yes, we can. To see specific flights from Gatwick to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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