How does KAYAK find such low prices on flights from London to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Ontario is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from London to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to Ontario with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which cabin class options are there for flights between London Gatwick Airport and Ontario?

There are 2 cabin class options for the route. These are Economy and Prem Economy . Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Which airlines provide the cheapest flights from London Gatwick Airport to Ontario?

In the past 5 days, the cheapest round-trip tickets from London Gatwick Airport to Ontario were found on Air Transat (C$ 720) and Virgin Atlantic (C$ 750).

Which airlines fly direct between London Gatwick Airport and Ontario?

There is just one airline that flies from London Gatwick Airport to Ontario direct and that is Air Transat . The best round-trip deal found from Air Transat for the route is to Toronto Pearson Intl Airport (YYZ) and costs C$ 614.

What’s the earliest departure time from London Gatwick Airport to Ontario?

The earliest flight from London Gatwick Airport to Ontario departs at 9:40 am , landing in Toronto at 12:45 pm.

How many flights are there between London Gatwick Airport and Ontario per day?

Each day, there are between 1 and 2 direct flights that take off from London Gatwick Airport and land in Ontario, with an average flight time of 8h 01m. The most common departure time is 9:00 a.m. and most flights take off in the morning, while the most flights land at Toronto Pearson Intl Airport. Each week, there are 13 flights. The most frequent day of departure is Monday, when 15% of all weekly flights depart. The fewest flights depart on a Thursday.

How long does a flight from London Gatwick Airport to Ontario take?

The duration of a flight to Ontario depends on your arrival airport. The shortest routes to Ontario from London Gatwick Airport are to Ottawa , which takes 8h 00m , Toronto , which takes 10h 48m, and Toronto , which takes 13h 54m.

What’s the latest departure time from London Gatwick Airport to Ontario?

If you prefer to fly at night, the last flight from London Gatwick Airport to Ontario jets off at 12:40 pm and lands in Toronto at 3:40 pm.

C$ 407 CHEAP FLIGHTS from London to Ontario

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Montreal

7h 40mNonstop

from C$ 692per person

Toronto

8h 00mNonstop

from C$ 696per person

Ottawa

8h 00mNonstop

from C$ 796per person

Hamilton

11h 05m3 stops

from C$ 865per person

Explore the map

Cheap Flights from London to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from London to Ontario

Fri, 2 Oct - Tue, 20 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 692Air Transat

Wed, 23 Sep - Sat, 26 Sep

9:40 a.m. - 7:20 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

14h 40m1 stop Toronto Pearson Intl

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 692Air Transat

Sat, 19 Sep - Sat, 3 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 694Air Transat

Fri, 2 Oct - Fri, 9 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

8:35 p.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

30h 20m1 stop Toronto Pearson Intl

C$ 694Air Transat

Fri, 2 Oct - Tue, 20 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

8:35 p.m. - 10:45 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

9h 10m1 stop Toronto Pearson Intl

C$ 695Air Transat

Sat, 19 Sep - Sat, 3 Oct

9:40 a.m. - 12:37 a.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

19h 57m1 stop Toronto Pearson Intl

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 695Air Transat

Mon, 5 Oct - Thu, 15 Oct

9:40 a.m. - 7:30 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

14h 50m1 stop Toronto Pearson Intl

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 695Air Transat

Sat, 26 Sep - Tue, 13 Oct

9:40 a.m. - 12:37 a.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

19h 57m1 stop Toronto Pearson Intl

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 695Air Transat

Wed, 14 Oct - Sun, 18 Oct

9:25 a.m. - 12:50 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

32h 25m1 stop Zurich

8:05 p.m. - 5:50 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

16h 45m1 stop Zurich

C$ 702SWISS

Tue, 13 Oct - Mon, 19 Oct

6:35 p.m. - 4:10 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

26h 35m1 stop Zurich

8:05 p.m. - 5:50 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

16h 45m1 stop Zurich

C$ 706SWISS

Recent last minute flight deals from London to Ontario

Fri, 11 Sep - Sat, 19 Sep

12:40 p.m. - 7:30 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

11h 50m1 stop Toronto Pearson Intl

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 699Air Transat

Fri, 11 Sep - Sun, 4 Oct

11:35 a.m. - 6:24 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

11h 49m1 stop Montreal Pierre Elliott Trudeau Intl

10:45 p.m. - 10:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 00mdirect

C$ 702Air Transat

Fri, 11 Sep - Sat, 3 Oct

11:35 a.m. - 6:24 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

11h 49m1 stop Montreal Pierre Elliott Trudeau Intl

7:50 p.m. - 7:55 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 05mdirect

C$ 705Air Transat

Wed, 9 Sep - Tue, 15 Sep

9:40 a.m. - 12:45 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

1:50 p.m. - 7:55 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

13h 05m1 stop Ottawa

C$ 714Air Transat

Thu, 10 Sep - Sun, 20 Sep

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

4:40 p.m. - 7:55 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

10h 15m1 stop Ottawa

C$ 714Air Transat

Wed, 9 Sep - Wed, 30 Sep

9:40 a.m. - 12:45 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

11:15 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

29h 35m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 716Air Transat

Tue, 15 Sep - Sat, 10 Oct

9:40 a.m. - 8:15 p.m.LGW London Gatwick-YTZ Toronto Island

15h 35m1 stop Ottawa

4:55 p.m. - 9:50 a.m.YTZ Toronto Island-LGW London Gatwick

11h 55m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 719Air Transat

Thu, 10 Sep - Thu, 1 Oct

11:35 a.m. - 5:40 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

11h 05m1 stop Montreal Pierre Elliott Trudeau Intl

6:00 p.m. - 9:50 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

10h 50m1 stop Montreal Pierre Elliott Trudeau Intl

C$ 719Air Transat

Wed, 9 Sep - Wed, 16 Sep

9:40 a.m. - 12:45 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 05mdirect

11:55 p.m. - 5:50 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

12h 55m1 stop Dublin

C$ 725Multiple Airlines

Fri, 11 Sep - Thu, 17 Sep

3:40 p.m. - 10:05 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

11h 25m1 stop Reykjavik Keflavik Intl

11:10 p.m. - 2:40 p.m.YYZ Toronto Pearson Intl-LGW London Gatwick

10h 30m1 stop Reykjavik Keflavik Intl

C$ 730Icelandair

Recent direct flight deals from London to Ontario

Fri, 2 Oct - Tue, 20 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 692Air Transat

Sat, 19 Sep - Sat, 3 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 694Air Transat

Tue, 27 Oct - Tue, 10 Nov

11:40 a.m. - 4:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 699Air Transat

Wed, 18 Nov - Sat, 28 Nov

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 701Air Transat

Sat, 19 Sep - Fri, 25 Sep

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 702Air Transat

Sun, 20 Sep - Sat, 26 Sep

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 702Air Transat

Sun, 14 Feb - Fri, 19 Feb

11:40 a.m. - 3:00 p.m.LGW London Gatwick-YYZ Toronto Pearson Intl

8h 20mdirect

9:35 p.m. - 9:45 a.m.YYZ Toronto Pearson Intl-LGW London Gatwick

7h 10mdirect

C$ 705Air Transat

Sun, 4 Oct - Thu, 15 Oct

11:35 a.m. - 2:15 p.m.LGW London Gatwick-YUL Montreal Pierre Elliott Trudeau Intl

7h 40mdirect

10:05 p.m. - 9:50 a.m.YUL Montreal Pierre Elliott Trudeau Intl-LGW London Gatwick

6h 45mdirect

C$ 705Air Transat

Sun, 11 Oct - Fri, 16 Oct

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

C$ 859Multiple Airlines

Fri, 2 Oct - Fri, 9 Oct

9:40 a.m. - 12:40 p.m.LGW London Gatwick-YOW Ottawa

8h 00mdirect

7:40 p.m. - 7:55 a.m.YOW Ottawa-LGW London Gatwick

7h 15mdirect

C$ 862Multiple Airlines

Booking Insights

KAYAK's insights & trends for London to Ontario flights

Get data-powered insights and trends into flights from London to Ontario to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

How much is a round-trip flight from London Gatwick Airport to Region of Ontario?

Flight prices are typical for this route right now.

Flights to Region of Ontario from London Gatwick Airport usually cost between C$ 670 and C$ 939 in October.
The lowest price found in the past 5 days was C$ 696 on Air Transat (6 Oct–13 Oct).

What is the cheapest London Gatwick Airport to Ontario flight route?

The cheapest ticket to Ontario from London Gatwick Airport found in the last 5 days was to Ottawa, at C$ 693 round-trip. The most popular route is from London Gatwick Airport (LGW) to Toronto Pearson Intl Airport (YYZ), and the cheapest round-trip airline ticket found on this route in the last 5 days was C$ 742.

What is the cheapest time of day to fly to Ontario?

The cheapest time of day to fly to Ontario is generally in the morning, when round-trip flights cost C$ 979 on average. The most expensive time of day to fly to Ontario is generally in the morning, which is peak travel time and where the average cost of a ticket is C$ 979.

Can I save money by flying with a layover from London Gatwick Airport to Ontario?

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at C$ 765 on average.

What is the cheapest month to fly from London Gatwick Airport to Ontario?

The cheapest month for flights from London Gatwick Airport to Ontario is February, when tickets cost C$ 725 (return) on average. On the other hand, the most expensive months are December and August, when the average cost of round-trip tickets is C$ 1,159 and C$ 1,116 respectively.

What’s the cheapest day of the week to fly from London to Ontario?

Your flight ticket price will generally be cheaper if you fly to Ontario on a Saturday and more expensive on a Friday. On your return trip to London, you should consider flying back on a Friday, and avoid Tuesdays for better deals.

How far in advance should I book a flight from London Gatwick Airport to Ontario?

To get a below-average price on a flight from London Gatwick Airport to Ontario, you should book around 2 weeks before departure, which saves you about 19% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 23 weeks before departure.

Find deals

Low season	January
High season	July
Cheapest flight	C$ 407

Best time to beat the crowds (13% less expensive on average)

Most popular time to fly (17% more expensive on average)

Flight from London Gatwick Airport to Montreal

How does KAYAK find such low prices on flights from London to Ontario?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London to Ontario is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from London to Ontario?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from London to Ontario with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Ontario?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from London to Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Looking for a cheap flight? 25% of our users found tickets from London to the following destinations at these prices or less: Montreal C$ 407 one-way - C$ 779 round-trip; Toronto C$ 434 one-way - C$ 822 round-trip

Reviews of the top airline flying from London to Ontario

Need help choosing which airline to fly with from London to Ontario? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.

7.8

Air TransatOverall score based on 577 reviews

6.8Food

8.5Crew

7.1Entertainment

8.0Boarding

7.3Comfort

Airline reviews

My screen was broken so now movies, etc, but I didn’t really mind. They did work on it, so good effort on their part.

10.0 ExcellentWilliam, Jun 2026

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C$ 407 Find Cheap Flights from London to Ontario – Compare and Save

Best Ontario Flight Deals from London

Cheap Flights from London to Ontario

Recent round-trip flight deals from London to Ontario

Recent one-way flight deals from London to Ontario

Recent last minute flight deals from London to Ontario

Recent direct flight deals from London to Ontario

KAYAK's insights & trends for London to Ontario flights

How much is a round-trip flight from London Gatwick Airport to Region of Ontario?

What is the cheapest London Gatwick Airport to Ontario flight route?

What is the cheapest time of day to fly to Ontario?

Can I save money by flying with a layover from London Gatwick Airport to Ontario?

What is the cheapest month to fly from London Gatwick Airport to Ontario?

What’s the cheapest day of the week to fly from London to Ontario?

How far in advance should I book a flight from London Gatwick Airport to Ontario?

Which airlines fly direct between London Gatwick Airport and Ontario?

Which airlines provide the cheapest flights from London Gatwick Airport to Ontario?

How long does a flight from London Gatwick Airport to Ontario take?

Which cabin class options are there for flights between London Gatwick Airport and Ontario?

How many flights are there between London Gatwick Airport and Ontario per day?

What’s the earliest departure time from London Gatwick Airport to Ontario?

What’s the latest departure time from London Gatwick Airport to Ontario?

Good to know

Low season

High season

Cheapest flight

FAQs - booking Ontario flights

Top tips for finding cheap flights to Ontario

Reviews of the top airline flying from London to Ontario

More options for your flight from London to Ontario

Complete your trip to Ontario with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights to London

Flights from domestic origins to London

Flights to other popular destinations

Flights to popular cities in Ontario

Find deals for your return flight