Cheap flights from Ontario to London Gatwick Airport from £177
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 16/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Ontario to Gatwick
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 16 September 2025.
Round-trip from | £598 |
---|---|
One-way from | £177 |
Popular in | December |
Cheapest in | September |
Average price | £444 |
Find flight deals from Ontario to Gatwick
Cheapest flights from Ontario to GatwickExplore the most affordable flight options available from Ontario to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Explore the most affordable flight options available from Ontario to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Sun 19/10
06:15-08:35
2 stops18h 20m
London Gatwick
Sun 26/10
11:20-11:58
2 stops31h 38m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Wed 4/3
06:47-09:00
2 stops18h 13m
London Gatwick
Sun 8/3
12:30-17:49
2 stops36h 19m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Wed 29/10
10:40-10:55
2 stops17h 15m
London Gatwick
Wed 5/11
11:55-22:05
2 stops18h 10m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Mon 27/10
09:00-10:55
2 stops18h 55m
London Gatwick
Fri 7/11
11:55-23:32
2 stops19h 37m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Fri 9/1
06:30-10:55
2 stops20h 25m
London Gatwick
Sun 18/1
11:55-22:37
2 stops18h 42m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Wed 10/12
11:15-10:55
2 stops15h 40m
London Gatwick
Thu 18/12
11:55-00:05
2 stops20h 10m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Mon 1/12
09:30-10:55
2 stops17h 25m
London Gatwick
Tue 9/12
11:55-22:05
2 stops18h 10m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Fri 13/2
06:00-10:55
2 stops20h 55m
London Gatwick
Sun 22/2
11:55-23:35
2 stops19h 40m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Sun 8/2
06:37-10:50
2 stops20h 13m
London Gatwick
Sat 14/2
19:40-13:44
2 stops26h 04m
OntarioLondon
ONT - LGW
ONTLGW
Ontario
Sun 9/11
06:53-06:00
2 stops39h 07m
Best time to book a flight from Ontario to Gatwick
Have a flexible travel schedule? Discover the best time to fly to Gatwick from Ontario with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Ontario to London Gatwick Airport
Related info for your journey
Find useful and relevant information for your journey from Ontario to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Travelling to a place near London Gatwick Airport?
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Alternative routes for Ontario to Gatwick
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How does Cheapflights help users find flights from Ontario to Gatwick?
Cheapflights makes it easy to find Ontario to Gatwick flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Ontario to Gatwick?
It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Gatwick.
Can Cheapflights find flights from Ontario to Gatwick with no change fees?
Certainly. Search results for flights to Gatwick from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Ontario to Gatwick become cheaper?
Yes, Cheapflights offers price alerts on Ontario to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.