ONT - LGW

£176 Find cheap flights from Ontario to London Gatwick Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Gatwick departing on 26/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags

Search hundreds of travel sites at once for deals on flights to London Gatwick Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to London, as well as popular online travel agencies
In the last 7 days, travellers have searched 46,646,933 times on KAYAK, and here's why:

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Cheap flight deals from Ontario to London Gatwick Airport (ONT-LGW)

 
These are the cheapest deals for flights from Ontario to Gatwick currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Ontario to Gatwick

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Ontario to Gatwick.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
08:01 - 10:35ONT-LGW
18h 34m1 stop
12:00 - 07:11LGW-ONT
27h 11m1 stop
Sun, 19 Jan - Sun, 26 Jan
07:56 - 10:35ONT-LGW
18h 39m1 stop
12:00 - 11:07LGW-ONT
31h 07m1 stop
Thu, 16 Jan - Sun, 26 Jan
07:56 - 10:35ONT-LGW
18h 39m1 stop
12:00 - 11:07LGW-ONT
31h 07m1 stop
Thu, 23 Jan - Sun, 26 Jan
07:56 - 10:35ONT-LGW
18h 39m1 stop
12:00 - 19:59LGW-ONT
15h 59m1 stop
Thu, 16 Jan - Sun, 19 Jan
07:00 - 18:50ONT-LGW
27h 50m2 stops
11:00 - 23:58LGW-ONT
20h 58m2 stops
£561Iberia
Find Deal
Mon, 20 Jan - Thu, 30 Jan
15:00 - 20:00ONT-LGW
21h 00m2 stops
10:50 - 23:35LGW-ONT
20h 45m2 stops
£637Iberia
Find Deal
Mon, 12 May - Wed, 21 May
06:05 - 07:30ONT-LGW
17h 25m2 stops
12:30 - 23:58LGW-ONT
19h 28m2 stops
£660American Airlines
Find Deal
Tue, 24 Dec - Sun, 12 Jan
06:00 - 09:00ONT-LGW
19h 00m2 stops
12:30 - 13:51LGW-ONT
33h 21m2 stops
£671American Airlines
Find Deal
Thu, 16 Jan - Sun, 19 Jan
10:42 - 18:50ONT-LGW
24h 08m2 stops
11:00 - 23:58LGW-ONT
20h 58m2 stops
£1,451British Airways
Find Deal
Tue, 10 Dec - Sun, 12 Jan
06:59 - 10:15ONT-LGW
43h 16m2 stops
19:35 - 22:00LGW-ONT
34h 25m2 stops
£3,486British Airways
Find Deal
Wed, 19 Feb - Thu, 27 Feb

Flights from Ontario to Gatwick - Travel Insights & Trends

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Ontario to London Gatwick Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Ontario to London Gatwick Airport is April, where tickets cost £441 on average. On the other hand, the most expensive months are December and June, where the average cost of tickets is £732 and £659 respectively.

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

To calculate daily average prices, KAYAK takes all prices for each day before departure over the last year for flights from Ontario to London Gatwick Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each month.
To get a below average price on the flight from Ontario to London Gatwick Airport, you should book around 1 day before departure. For the absolute cheapest price, our data suggests you should book 8 days before departure.

Good to know - Cheap tickets from Ontario to London Gatwick Airport

Cheapest flight

£176
Flight from Ontario to London Gatwick Airport

When to book flights from Ontario to Gatwick

Are your dates flexible? Find out the best times to travel from Ontario to Gatwick based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Ontario to London Gatwick Airport flights

  • What is the cheapest flight from Ontario to London Gatwick Airport?

    In the last 3 days, the lowest price for a flight from Ontario to London Gatwick Airport was £222 for a one-way ticket and £534 for a return.

  • Which airports will I be using when flying from Ontario to London Gatwick Airport?

    Ontario airport is called Ontario and the only airport in London Gatwick Airport is London Gatwick.

  • Which aircraft models fly most regularly from Ontario to London Gatwick Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Ontario to London Gatwick Airport?

    oneworld is the only airline alliance operating flights between Ontario and London Gatwick Airport.

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

    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 Ontario to London Gatwick Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Gatwick Airport from 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 Ontario to London Gatwick Airport?

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

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

    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 to London Gatwick Airport from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Book cheap flights from Ontario to London

Cheapest flights to London from Ontario found in 2024 and 2025

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Ontario to London found on KAYAK in the last 72 hours.
26/1Sun
1 stop
18h 34mONT-LGW
£176
26/1Sun
1 stop
18h 34mONT-LGW
£180
27/11Wed
1 stop
28h 24mONT-LGW
£187
27/11Wed
1 stop
28h 24mONT-LGW
£188
8/12Sun
2 stopsIberia
24h 08mONT-LGW
£337
12/1Sun
2 stopsIberia
20h 06mONT-LGW
£435
27/11Wed
2 stopsIberia
27h 35mONT-LGW
£542
15/1Wed
2 stopsBritish Airways
23h 54mONT-LGW
£554
27/11Wed
2 stopsBritish Airways
26h 16mONT-LGW
£2,113
27/11Wed
2 stopsBritish Airways
24h 07mONT-LGW
£2,569

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Last minute flights from Ontario to Gatwick

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Ontario to London that are departing in the next 10 days.
24/11Sun
multi-stop
31h 17mONT-LGW
4/12Wed
multi-stop
20h 18mLGW-ONT
£950
25/11Mon
multi-stop
28h 30mONT-LGW
29/11Fri
multi-stop
27h 38mLGW-ONT
£971
25/11Mon
multi-stop
19h 45mONT-LGW
29/11Fri
multi-stop
18h 43mLGW-ONT
£1,137
26/11Tue
multi-stop
19h 45mONT-LGW
29/11Fri
multi-stop
18h 43mLGW-ONT
£1,161
25/11Mon
multi-stop
25h 45mONT-LGW
29/11Fri
multi-stop
18h 43mLGW-ONT
£1,286
27/11Wed
multi-stop
16h 55mONT-LGW
7/12Sat
multi-stop
17h 09mLGW-ONT
£1,344
25/11Mon
multi-stop
34h 30mONT-LGW
29/11Fri
multi-stop
34h 54mLGW-ONT
£1,433
24/11Sun
multi-stop
19h 45mONT-LGW
29/11Fri
multi-stop
18h 43mLGW-ONT
£1,573
25/11Mon
multi-stop
16h 55mONT-LGW
30/11Sat
multi-stop
20h 04mLGW-ONT
£2,135
25/11Mon
multi-stopIberia
24h 07mONT-LGW
1/12Sun
multi-stopIberia
20h 57mLGW-ONT
£3,028

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Everything you need to know for your flight from Ontario to Gatwick

Information on your arrival and departure airports

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