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Cheap flights from London Gatwick Airport to Ontario from C$ 376

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — YYZ
17 Apr — 24 Apr1
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 18 March 2026.

Tue 21/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Wed 20/58:45 p.m.
YYZ
-
LGW
1 stop10h 00m
Icelandair
Deal found 15/3C$ 632
Sun 12/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Sun 19/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 15/3C$ 633
Tue 14/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Sun 19/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 14/3C$ 635
Tue 14/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Tue 21/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 14/3C$ 636
Thu 30/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Thu 7/511:10 p.m.
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 16/3C$ 637
Mon 13/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Mon 20/411:10 p.m.
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 15/3C$ 639
Thu 30/41:00 p.m.
LGW
-
YYZ
1 stop14h 05m
Icelandair
Mon 4/511:10 p.m.
YYZ
-
LGW
1 stop10h 30m
Icelandair
Deal found 16/3C$ 640
Mon 20/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Mon 27/48:45 p.m.
YYZ
-
LGW
1 stop10h 00m
Icelandair
Deal found 17/3C$ 643
Sat 25/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Wed 29/48:45 p.m.
YYZ
-
LGW
1 stop10h 00m
Icelandair
Deal found 16/3C$ 644
Wed 15/43:40 p.m.
LGW
-
YYZ
1 stop11h 25m
Icelandair
Thu 30/411:10 p.m.
YYZ
-
LGW
1 stop31h 35m
Icelandair
Deal found 17/3C$ 646
Tue 21/43:40 p.m.
LGW
-
YYZ
1 stop32h 30m
Icelandair
Tue 28/48:45 p.m.
YYZ
-
LGW
1 stop12h 55m
Icelandair
Deal found 15/3C$ 647
Fri 5/69:40 a.m.
LGW
-
YOW
Nonstop8h 00m
Air Transat
Tue 9/67:40 p.m.
YOW
-
LGW
Nonstop7h 15m
Air Transat
Deal found 16/3C$ 676

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 18 March 2026.

Round-trip from

C$ 632

One-way from

C$ 376

Popular in

December

Cheapest in

September

Average price

C$ 804

Good round-trip deal

C$ 729 or less

Good one-way deal

C$ 514 or less
Icelandair
  • Icelandair
  • 21/4-20/5
  • 2 total stops
  • 42h 30m total
  • London to Ontario
Search Deals
19/4
  • 19/4
  • 2 total stops
  • 43h 49m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 18 March 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

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 7/5

1:00 p.m.-7:10 p.m.

1 stop11h 10m

Toronto Pearson Intl

Mon 11/5

11:10 p.m.-2:40 p.m.

1 stop10h 30m

C$ 703

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Mon 4/5

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

Nonstop8h 00m

Toronto Pearson Intl

Sat 9/5

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

Nonstop7h 00m

C$ 817
Quickest round-trip

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Thu 10/9

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 20/9

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 818

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 29/6

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Tue 14/7

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 855

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Tue 30/6

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Mon 13/7

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 855

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Sat 27/6

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 874

LondonMontreal

LGW - YUL

LGWYUL

London Gatwick

Mon 29/6

11:35 a.m.-2:15 p.m.

Nonstop7h 40m

Montreal Pierre Elliott Trudeau Intl

Sun 12/7

10:05 p.m.-9:50 a.m.

Nonstop6h 45m

C$ 874

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 25/6

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

1 stop11h 25m

Toronto Pearson Intl

Wed 8/7

11:10 p.m.-2:40 p.m.

1 stop10h 30m

C$ 905

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Wed 17/6

11:35 a.m.-8:15 p.m.

1 stop13h 40m

Toronto Island

Sun 21/6

10:55 a.m.-9:50 a.m.

1 stop17h 55m

C$ 909

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 3/7

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

Nonstop8h 00m

Toronto Pearson Intl

Thu 9/7

7:50 p.m.-7:55 a.m.

Nonstop7h 05m

C$ 917

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

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$ 392). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 737). 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 18 March 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.

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 18 March 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
521 reviews
Check prices

Crew

8.5

Boarding

7.9

Entertainment

7.0

Food

6.8

Overall

7.7

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
521 reviews
Air Transat
7.7
Good
521 reviews
Check prices

Crew

8.5

Boarding

7.9

Entertainment

7.0

Food

6.8

Overall

7.7

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 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$ 261. Air Transat flights start at C$ 395 while deals on Icelandair start at C$ 489 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$ 495. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 614 on average, our data indicates C$ 719 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$ 392). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 737). 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 18 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 603AverageC$ 896FlexibilityNo 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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