LGW - ONT

£289 Find Cheap Flights from London Gatwick Airport to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Gatwick to Ontario departing on 20/2. 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

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These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Ontario, 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 London to Ontario, as well as popular online travel agencies
In the last 7 days, travellers have searched 41,299,237 times on KAYAK, and here's why:

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Cheap Flight Deals from London Gatwick Airport to Ontario (LGW-ONT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London Gatwick Airport to Ontario that are departing in the next months. 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 Gatwick to Ontario

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Gatwick to Ontario.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
11:20 - 09:56LGW-ONT
30h 36m2 stops
23:59 - 09:00ONT-LGW
25h 01m2 stops
£407American Airlines
Find Deal
Mon, 13 Jan - Sun, 26 Jan
19:35 - 22:45LGW-ONT
35h 10m2 stops
07:00 - 10:15ONT-LGW
43h 15m2 stops
£445Iberia
Find Deal
Tue, 21 Jan - Mon, 27 Jan
19:35 - 22:45LGW-ONT
35h 10m2 stops
07:00 - 10:15ONT-LGW
43h 15m2 stops
£511Iberia
Find Deal
Tue, 21 Jan - Mon, 27 Jan
11:20 - 13:51LGW-ONT
34h 31m2 stops
06:10 - 10:15ONT-LGW
20h 05m3 stops
Mon, 13 Jan - Mon, 27 Jan
10:55 - 22:45LGW-ONT
19h 50m2 stops
10:56 - 18:50ONT-LGW
23h 54m2 stops
£531Iberia
Find Deal
Fri, 7 Feb - Mon, 10 Feb
11:20 - 13:51LGW-ONT
34h 31m2 stops
06:00 - 09:00ONT-LGW
19h 00m2 stops
£532American Airlines
Find Deal
Mon, 13 Jan - Mon, 27 Jan
19:35 - 23:54LGW-ONT
35h 19m2 stops
07:00 - 18:50ONT-LGW
28h 50m2 stops
£543British Airways
Find Deal
Tue, 18 Mar - Tue, 25 Mar
11:00 - 23:58LGW-ONT
20h 58m2 stops
14:45 - 18:50ONT-LGW
20h 05m2 stops
£559Iberia
Find Deal
Thu, 30 Jan - Sun, 9 Feb
20:15 - 23:24LGW-ONT
35h 09m2 stops
19:59 - 10:35ONT-LGW
30h 36m1 stop
Sat, 1 Feb - Sat, 8 Feb
19:35 - 22:45LGW-ONT
35h 10m2 stops
06:00 - 18:50ONT-LGW
28h 50m2 stops
£596British Airways
Find Deal
Fri, 17 Jan - Fri, 24 Jan

Flights from Gatwick to Ontario - Travel Insights & Trends

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

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Gatwick Airport to Ontario, 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 London Gatwick Airport to Ontario is April, where tickets cost £465 (return) on average. On the other hand, the most expensive months are August and December, where the average cost of round-trip tickets is £881 and £691 respectively.

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

Low season

April

High season

July

Cheapest flight

£289
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly (4% more expensive on average)
Flight from London Gatwick Airport to Ontario

When to book flights from Gatwick to Ontario

Are your dates flexible? Find out the best times to travel from Gatwick to Ontario 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 London Gatwick Airport to Ontario flights

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

    In the last 3 days, the lowest price for a flight from London Gatwick Airport to Ontario was £367 for a one-way ticket and £516 for a return.

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

    London Gatwick Airport and Ontario are both served by 1 main airport. You will leave London Gatwick Airport from London Gatwick and will be arriving at Ontario.

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

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

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

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

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

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

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

    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 Ontario with an airline and back to London Gatwick Airport with another airline.

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

Cheapest flights to Ontario from London 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 London to Ontario found on KAYAK in the last 72 hours.
20/2Thu
1 stop
16h 35mLGW-ONT
£289
5/2Wed
3 stops
48h 22mLGW-ONT
£312
5/2Wed
2 stops
32h 47mLGW-ONT
£315
26/1Sun
2 stops
23h 29mLGW-ONT
£338
17/1Fri
3 stops
50h 50mLGW-ONT
£350
26/1Sun
1 stop
27h 11mLGW-ONT
£360
24/1Fri
2 stopsFinnair
30h 36mLGW-ONT
£649
29/12Sun
2 stopsIberia
43h 28mLGW-ONT
£692
12/5Mon
2 stopsIberia
30h 52mLGW-ONT
£920
30/5Fri
2 stopsIberia
24h 25mLGW-ONT
£1,014

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Last minute flights from Gatwick to Ontario

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 London to Ontario that are departing in the next 10 days.
19/12Thu
multi-stop
27h 09mLGW-ONT
22/12Sun
multi-stop
17h 35mONT-LGW
£1,081
22/12Sun
multi-stop
19h 27mLGW-ONT
5/1Sun
multi-stop
25h 01mONT-LGW
£1,546
22/12Sun
multi-stopBritish Airways
19h 27mLGW-ONT
6/1Mon
multi-stopBritish Airways
17h 25mONT-LGW
£1,796
23/12Mon
multi-stop
20h 04mLGW-ONT
30/12Mon
multi-stop
16h 15mONT-LGW
£1,970
19/12Thu
multi-stop
20h 04mLGW-ONT
1/1Wed
multi-stop
20h 55mONT-LGW
£2,281
22/12Sun
multi-stopBritish Airways
20h 57mLGW-ONT
29/12Sun
multi-stopBritish Airways
24h 04mONT-LGW
£3,104
22/12Sun
multi-stopIberia
20h 57mLGW-ONT
24/12Tue
multi-stopIberia
24h 04mONT-LGW
£3,149

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

Information on your arrival and departure airports

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