Cheap flights from London Gatwick Airport to Ontario from £376
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Gatwick to Ontario
Cheapest flights from Gatwick to OntarioExplore the most affordable flight options available from Gatwick to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.
Explore the most affordable flight options available from Gatwick to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 October 2026.
Best flights from Gatwick to OntarioDiscover carefully curated flight deals from Gatwick to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.
Discover carefully curated flight deals from Gatwick to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 7 October 2026.
Last-minute flights from Gatwick to OntarioDiscover last-minute flight deals from Gatwick to Ontario. Data last updated 7 October 2026 and is based on user searches.
Discover last-minute flight deals from Gatwick to Ontario. Data last updated 7 October 2026 and is based on user searches.
One-way flights from Gatwick to OntarioSearch for one-way flight options from Gatwick to Ontario. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.
Search for one-way flight options from Gatwick to Ontario. Find affordable one-way fares based on user searches. Data last updated 7 October 2026.
Find flight deals from Gatwick to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Ontario (ONT). 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 7 October 2026.
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
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Fri 13/11
11:55-22:45
2 stops18h 50m
Ontario
Tue 17/11
10:05-10:55
2 stops16h 50m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Wed 11/11
11:55-21:45
2 stops17h 50m
Ontario
Tue 17/11
10:05-10:55
2 stops16h 50m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Thu 29/10
11:55-23:42
2 stops18h 47m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Thu 15/10
17:35-21:45
2 stops60h 10m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Wed 14/10
15:40-23:42
2 stops40h 02m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Mon 12/10
07:05-23:42
2 stops24h 37m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Sat 21/11
06:30-23:31
2 stops25h 01m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Tue 13/10
07:00-21:45
2 stops22h 45m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Wed 10/2
06:30-21:45
2 stops23h 15m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
LondonOntario
LGW London Gatwick - ONT Ontario
LGWONT
London Gatwick
Mon 26/10
06:30-22:20
2 stops22h 50m
Ontario
Wed 31/12
00:00-09:00
Nonstop0h 00m
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.
Related info for your journey
Find useful and relevant information for your journey from Gatwick to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Gatwick to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Ontario by adding a car hire and/or hotel booking to your travel itinerary.
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Other flights to Ontario
Explore flights to Ontario departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.
Gatwick and Ontario flights
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Other flights from Gatwick
Browse through other flights departing from Gatwick. Flights are based on user searches made on Cheapflights and were last updated on 7 October 2026.
Popular flight searches
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How does Cheapflights help users find flights from Gatwick to Ontario?
Cheapflights makes it easy to find Gatwick to Ontario 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 Gatwick to Ontario?
Millions of users choose and trust Cheapflights to book the best flight deals from Gatwick to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Gatwick to Ontario with no change fees?
Need flexible booking options for your flight to Ontario from Gatwick? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Gatwick to Ontario become cheaper?
Yes, Cheapflights offers price alerts on Gatwick to Ontario 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.