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Cheap flights from London Gatwick Airport to Ontario from C$ 447

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 16/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

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 29 October 2025.

Round-trip from

C$ 654

One-way from

C$ 447

Popular in

December

Cheapest in

February

Average price

C$ 795

Good round-trip deal

C$ 905 or less

Good one-way deal

C$ 560 or less
Icelandair
  • Icelandair
  • 12/1-19/1
  • 2 total stops
  • 21h 35m total
  • London to Ontario
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16/11
  • 16/11
  • 1 total stop
  • 16h 10m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 54 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from London Gatwick to Ontario.
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Price to beat on a one-way flight from London Gatwick to Ontario.
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Find 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 29 October 2025.

Thu 27/1111:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Thu 4/127:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 27/10C$ 660
Thu 4/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Mon 8/127:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 671
Sat 6/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Mon 8/127:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 672
Wed 3/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Mon 8/127:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 680
Sat 8/1111:40 a.m.LGW - YYZ
Nonstop8h 20mAir Transat
Sat 15/119:35 p.m.YYZ - LGW
Nonstop7h 10mAir Transat
Deal found 28/10C$ 685
Thu 11/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Tue 13/17:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 686
Mon 8/1211:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Mon 19/17:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 687
Sat 6/124:35 p.m.LGW - YYZ
1 stop26h 50mTAP AIR PORTUGAL
Sun 11/15:30 p.m.YYZ - LGW
2 stops22h 05mTAP AIR PORTUGAL
Deal found 27/10C$ 689
Wed 19/1111:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Mon 8/127:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 690
Wed 19/1111:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Tue 25/117:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 27/10C$ 693
Sat 22/1111:40 a.m.LGW - YUL
1 stop11h 45mAir Transat
Sun 7/125:25 p.m.YUL - LGW
1 stop11h 20mAir Transat
Deal found 27/10C$ 699
Thu 27/1111:55 a.m.LGW - YYZ
1 stop11h 20mIcelandair
Sun 30/117:40 p.m.YYZ - LGW
1 stop10h 15mIcelandair
Deal found 28/10C$ 699

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 29 October 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

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Wed 26/11

11:40 a.m.-6:25 p.m.

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 5/12

2:30 p.m.-9:45 a.m.

1 stop14h 15m

C$ 699

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 8/11

11:40 a.m.-6:25 p.m.

1 stop11h 45m

Montreal Pierre Elliott Trudeau Intl

Fri 14/11

2:30 p.m.-9:45 a.m.

1 stop14h 15m

C$ 700

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 19/3

11:40 a.m.-9:20 a.m.

1 stop25h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 23/3

10:15 a.m.-9:45 a.m.

1 stop19h 30m

C$ 711

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Fri 13/2

11:40 a.m.-9:20 a.m.

1 stop26h 40m

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

3:55 p.m.-9:45 a.m.

1 stop12h 50m

C$ 717

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 22/2

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

Nonstop8h 20m

Toronto Pearson Intl

Sun 1/3

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

Nonstop7h 10m

C$ 759

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Wed 18/2

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

Nonstop8h 20m

Toronto Pearson Intl

Thu 26/2

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

Nonstop7h 10m

C$ 759

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 15/2

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

Nonstop8h 20m

Toronto Pearson Intl

Wed 25/2

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

Nonstop7h 10m

C$ 759

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 2/12

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

Nonstop8h 20m

Toronto Pearson Intl

Mon 15/12

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

Nonstop7h 10m

C$ 777

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 20/2

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

Nonstop8h 20m

Toronto Pearson Intl

Thu 26/2

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

Nonstop7h 10m

C$ 805

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Sun 16/11

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

Nonstop8h 20m

Toronto Pearson Intl

Mon 1/12

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

Nonstop7h 10m

C$ 805

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

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$ 497). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 676). 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 29 October 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.

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 29 October 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
469 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.5

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
469 reviews
Air Transat
7.8
Good
469 reviews
Check prices

Overall

7.8

Boarding

7.9

Food

6.8

Entertainment

7.1

Comfort

7.4

Crew

8.5

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 45m. The distance from London Gatwick Airport to Region of Ontario is about 5243 km.

  • 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$ 489. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 641 on average, our data indicates C$ 974 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$ 497). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 676). 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 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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 606AverageC$ 874FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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

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