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Cheap flights from London Gatwick Airport to Ontario from C$ 357

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
11 May — 18 May1
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 11 April 2026.

Sat 30/59:40 a.m.
LGW
-
YOW
1 stop15h 20m
Air Transat
Sun 31/57:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 8/4C$ 655
Tue 30/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Tue 7/77:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 10/4C$ 657
Fri 15/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 31/56:35 p.m.
YOW
-
LGW
1 stop11h 10m
Air Transat
Deal found 7/4C$ 661
Sun 24/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Sun 31/52:15 p.m.
YOW
-
LGW
1 stop14h 35m
Air Transat
Deal found 10/4C$ 662
Thu 25/612:40 p.m.
LGW
-
YOW
1 stop12h 20m
Air Transat
Tue 7/77:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 8/4C$ 667
Sun 24/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Thu 28/58:40 a.m.
YOW
-
LGW
1 stop18h 15m
Air Transat
Deal found 8/4C$ 668
Fri 15/59:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Mon 25/51:55 p.m.
YOW
-
LGW
1 stop15h 50m
Air Transat
Deal found 7/4C$ 669
Fri 29/511:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Tue 9/64:40 p.m.
YUL
-
LGW
1 stop10h 15m
Air Transat
Deal found 7/4C$ 701
Fri 8/57:40 p.m.
LGW
-
YUL
1 stop20h 25m
Multiple Airlines
Fri 22/56:15 p.m.
YUL
-
LGW
1 stop22h 50m
Multiple Airlines
Deal found 7/4C$ 718
Fri 12/611:35 a.m.
LGW
-
YUL
Nonstop7h 40m
Air Transat
Sun 14/64:40 p.m.
YUL
-
LGW
1 stop10h 15m
Air Transat
Deal found 7/4C$ 732
Tue 14/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Wed 22/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 6/4C$ 738
Wed 13/59:45 a.m.
LGW
-
YYZ
1 stop11h 05m
Multiple Airlines
Wed 3/66:15 p.m.
YYZ
-
LGW
2 stops13h 15m
Multiple Airlines
Deal found 6/4C$ 740

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 11 April 2026.

Round-trip from

C$ 655

One-way from

C$ 357

Popular in

December

Cheapest in

February

Average price

C$ 830

Good round-trip deal

C$ 853 or less

Good one-way deal

C$ 541 or less
Air Transat
  • Air Transat
  • 30/5-31/5
  • 1 total stop
  • 22h 35m total
  • London to Ontario
Search Deals
28/4
  • 28/4
  • 3 total stops
  • 36h 00m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
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 11 April 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sun 13/9

9:40 a.m.-12:40 p.m.

Nonstop8h 00m

Ottawa

Fri 25/9

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 675

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 22/6

12:40 p.m.-8:00 p.m.

1 stop12h 20m

Ottawa

Tue 7/7

7:40 p.m.-7:55 a.m.

Nonstop7h 15m

C$ 686

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 27/6

12:40 p.m.-8:00 p.m.

1 stop12h 20m

Ottawa

Sun 5/7

2:15 p.m.-9:50 a.m.

1 stop14h 35m

C$ 690

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 12/5

3:40 p.m.-10:05 p.m.

1 stop11h 25m

Toronto Pearson Intl

Tue 26/5

11:10 p.m.-11:45 a.m.

1 stop31h 35m

C$ 773

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 1/9

9:40 a.m.-4:33 p.m.

1 stop11h 53m

Toronto Island

Tue 15/9

10:00 a.m.-7:55 a.m.

1 stop16h 55m

C$ 810

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 20/9

9:40 a.m.-4:33 p.m.

1 stop11h 53m

Toronto Island

Sun 27/9

4:55 p.m.-7:55 a.m.

1 stop10h 00m

C$ 812

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Sun 20/9

9:40 a.m.-4:33 p.m.

1 stop11h 53m

Toronto Island

Fri 25/9

4:55 p.m.-7:55 a.m.

1 stop10h 00m

C$ 817

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Mon 7/9

11:35 a.m.-7:55 a.m.

1 stop25h 20m

Toronto Island

Wed 30/9

8:55 p.m.-9:50 a.m.

1 stop31h 55m

C$ 817

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 15/5

3:40 p.m.-10:05 p.m.

1 stop11h 25m

Toronto Pearson Intl

Mon 18/5

8:45 p.m.-2:40 p.m.

1 stop12h 55m

C$ 823

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Tue 1/9

9:40 a.m.-4:33 p.m.

1 stop11h 53m

Toronto Island

Sat 12/9

4:55 p.m.-9:50 a.m.

1 stop11h 55m

C$ 823

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/4

Showing 1-10 of 60 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of C$ 396). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 743). 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 11 April 2026.

When flying from London Gatwick Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11 April 2026.
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
7.7
Good
534 reviews
Check prices

Crew

8.4

Entertainment

7.0

Food

6.8

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.
Air Transat
7.7
Good
534 reviews
Air Transat
7.7
Good
534 reviews
Check prices

Crew

8.4

Entertainment

7.0

Food

6.8

Overall

7.7

Boarding

7.9

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

YOW - GCM

The flight was delayed for 3.5 hours. No compensation for a meal voucher. We were positioned at the back of the plane and the toilets were not working properly. It was a foul smell coming from the toilet.

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 8h. The distance from London Gatwick Airport to Region of Ontario is about 5375 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$ 263. Air Transat flights start at C$ 398 while deals on Icelandair start at C$ 493 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$ 519. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 655 on average, our data indicates C$ 857 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, January is the cheapest month in which you can book a flight from London Gatwick Airport to Region of Ontario (average of C$ 396). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 743). 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

Browse thousands of different options on Cheapflights for your next trip

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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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 609AverageC$ 917FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

Fly with Cheapflights

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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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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