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Cheap flights from London Gatwick Airport to Ontario from C$ 414

LGW — YYZ
20 Oct — 27 Oct1
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

Fri 16/109:40 a.m. -
1 stop12h 29m
Thu 22/107:50 p.m. -
Nonstop7h 05m
Deal found 17/9C$ 680
Fri 25/99:40 a.m. -
1 stop29h 35m
Sun 27/910:00 a.m. -
1 stop18h 50m
Deal found 17/9C$ 681
Mon 28/912:40 p.m. -
Nonstop8h 00m
Sat 3/107:50 p.m. -
Nonstop7h 05m
Deal found 16/9C$ 681
Fri 16/109:40 a.m. -
1 stop11h 50m
Fri 23/104:55 p.m. -
1 stop10h 00m
Deal found 17/9C$ 682
Tue 10/118:40 a.m. -
1 stop12h 15m
Wed 18/118:25 p.m. -
1 stop16h 25m
Deal found 17/9C$ 682
Fri 25/99:40 a.m. -
1 stop14h 15m
Fri 2/104:55 p.m. -
1 stop10h 00m
Deal found 16/9C$ 684
Wed 14/109:25 a.m. -
1 stop32h 25m
Mon 19/108:05 p.m. -
1 stop16h 45m
Deal found 17/9C$ 684
Fri 2/1011:35 a.m. -
1 stop13h 36m
Fri 9/1011:55 a.m. -
1 stop15h 00m
Deal found 20/9C$ 685
Thu 8/1012:40 p.m. -
Nonstop8h 00m
Tue 20/1010:45 p.m. -
Nonstop7h 00m
Deal found 17/9C$ 685
Tue 22/99:40 a.m. -
1 stop17h 10m
Tue 29/94:55 p.m. -
1 stop11h 55m
Deal found 17/9C$ 687
Fri 25/912:40 p.m. -
Nonstop8h 00m
Fri 2/101:50 p.m. -
1 stop13h 05m
Deal found 18/9C$ 687
Fri 25/99:40 a.m. -
1 stop14h 15m
Tue 6/104:55 p.m. -
1 stop11h 55m
Deal found 16/9C$ 688

Find flight deals from Gatwick to Ontario

Round-trip from

C$ 680

One-way from

C$ 414

Popular in

August

Cheapest in

February

Average price

C$ 817

Good round-trip deal

C$ 890 or less

Good one-way deal

C$ 394 or less
Air Transat
  • Air Transat
  • 16/10-22/10
  • 1 total stop
  • 19h 34m total
  • London to Ontario
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Air Transat
  • Air Transat
  • 23/9-31/12
  • 1 total stop
  • 15h 50m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 28 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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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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Cheapflights Fare Finder

 
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

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Wed 23/9

9:40 a.m.-7:20 p.m.

1 stop14h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 419

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Fri 25/9

12:40 p.m.-12:25 a.m.

1 stop16h 45m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 446

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Sat 7/11

6:40 p.m.-12:40 p.m.

1 stop23h 00m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 456

LondonOttawa

LGW London Gatwick - YOW Ottawa

LGWYOW

London Gatwick

Fri 25/9

12:40 p.m.-12:25 a.m.

1 stop16h 45m

Ottawa

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 461

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Sun 15/11

2:05 p.m.-12:40 p.m.

1 stop27h 35m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 463

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Mon 2/11

4:45 p.m.-12:40 p.m.

1 stop24h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 463

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Fri 6/11

2:45 p.m.-12:40 p.m.

1 stop26h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 464

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Mon 30/11

4:45 p.m.-12:40 p.m.

1 stop24h 55m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 464

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Sun 29/11

9:50 a.m.-12:40 p.m.

1 stop31h 50m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 470

LondonMontreal

LGW London Gatwick - YUL Montreal Pierre Elliott Trudeau Intl

LGWYUL

London Gatwick

Sat 31/10

7:00 p.m.-1:40 p.m.

1 stop22h 40m

Montreal Pierre Elliott Trudeau Intl

Wed 31/12

12:00 a.m.-6:00 a.m.

Nonstop0h 00m

C$ 474

Flights are sorted by cheapest round-trip flights first.

Deals found on 20/9

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

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$ 748). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 1,163). 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?

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?

Airfare is below average for this route at the moment.
London Gatwick Airport to Region of Ontario flights typically cost between C$ 710 and C$ 1,017 in October.
The cheapest round-trip price found within the last 5 days was C$ 680 on Air Transat (16 Oct-22 Oct).

How far ahead should I book a flight from London Gatwick Airport to Region of Ontario?

To ensure you get the cheapest price possible for a flight from London Gatwick Airport to Region of Ontario, you should look to book at least 73 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Ontario

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
579 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Overall

7.7

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.
Air Transat
7.7
Good
579 reviews
Air Transat
7.7
Good
579 reviews
Check prices

Entertainment

7.1

Comfort

7.3

Boarding

8.0

Overall

7.7

Food

6.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Liam,Jun 2025

GLA - YYZ

To and from Glasgow with Air Transat. Excellent flights, food, service. Nothing but praise.

Related info for your journey

  • 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 50m. The distance from London Gatwick Airport to Region of Ontario is about 5243 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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$ 393. While the most popular route (London Gatwick - Toronto Pearson Intl) can be booked for C$ 596 on average, our data indicates C$ 899 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$ 748). Flying from London Gatwick Airport to Region of Ontario in December is currently the most expensive (average of C$ 1,163). 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

Top airline flying from Gatwick to Ontario

AirlineCheapestAverageFlexibilityOn-time
Air TransatCheapestC$ 622AverageC$ 995FlexibilityNo cancel feeOn-time50%
Search Air Transat flights

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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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