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Cheap flights from London Gatwick Airport to Ontario from £202

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 22/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ONT
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 November 2025.

Round-trip from

£470

One-way from

£202

Popular in

December

Cheapest in

September

Average price

£477
American Airlines
  • American Airlines
  • 26/2-2/3
  • 4 total stops
  • 62h 01m total
  • London to Ontario
Search Deals
22/1
  • 22/1
  • 2 total stops
  • 41h 59m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£18 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Gatwick to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Gatwick to Ontario
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 November 2025.

Sat 27/1219:40LGW - ONT
2 stops36h 06mIberia
Thu 8/106:00ONT - LGW
2 stops20h 50mIberia
Deal found 5/11£621
Wed 24/1211:45LGW - ONT
2 stops42h 29mIberia
Thu 8/107:16ONT - LGW
2 stops19h 34mIberia
Deal found 6/11£629
Wed 24/1211:45LGW - ONT
2 stops42h 29mIberia
Wed 7/110:58ONT - LGW
2 stops48h 02mIberia
Deal found 6/11£713
Tue 23/1211:45LGW - ONT
2 stops56h 08mIberia
Thu 8/107:16ONT - LGW
2 stops19h 34mIberia
Deal found 6/11£729
Mon 17/1111:55LGW - ONT
2 stops18h 10mMultiple Airlines
Tue 2/1211:15ONT - LGW
2 stops15h 40mMultiple Airlines
Deal found 6/11£792
Tue 23/1211:45LGW - ONT
2 stops56h 08mIberia
Wed 7/110:58ONT - LGW
2 stops39h 52mIberia
Deal found 6/11£813
Wed 12/1111:55LGW - ONT
2 stops35h 22mMultiple Airlines
Wed 31/1206:00ONT - LGW
2 stops20h 55mMultiple Airlines
Deal found 5/11£868
Wed 24/1211:45LGW - ONT
2 stops42h 29mIberia
Tue 6/107:16ONT - LGW
2 stops19h 34mIberia
Deal found 6/11£918
Mon 10/1111:55LGW - ONT
2 stops20h 01mMultiple Airlines
Mon 17/1107:20ONT - LGW
2 stops19h 35mMultiple Airlines
Deal found 5/11£923
Wed 3/1219:40LGW - ONT
2 stops26h 20mBritish Airways
Thu 11/1210:47ONT - LGW
2 stops24h 13mBritish Airways
Deal found 6/11£986
Tue 23/1211:45LGW - ONT
2 stops56h 08mIberia
Mon 5/110:50ONT - LGW
2 stops40h 00mIberia
Deal found 6/11£1,019
Mon 22/1219:40LGW - ONT
2 stops22h 15mIberia
Wed 7/110:58ONT - LGW
2 stops39h 52mIberia
Deal found 6/11£1,144

Cheapflights Fare Finder

 
Customise your flight search to find flights from Gatwick to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Gatwick

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 26/2

12:30-10:09

2 stops29h 39m

Ontario

Mon 2/3

23:59-07:30

2 stops23h 31m

£473

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 24/12

11:45-22:14

2 stops42h 29m

Ontario

Thu 8/1

07:16-10:50

2 stops19h 34m

£629

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 24/12

11:45-22:14

2 stops42h 29m

Ontario

Wed 7/1

10:58-19:00

2 stops48h 02m

£713

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 23/12

11:45-11:53

2 stops56h 08m

Ontario

Thu 8/1

07:16-10:50

2 stops19h 34m

£729

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 21/4

15:40-10:53

2 stops27h 13m

Ontario

Mon 27/4

06:00-11:45

2 stops21h 45m

£745

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 17/11

11:55-22:05

2 stops18h 10m

Ontario

Tue 2/12

11:15-10:55

2 stops15h 40m

£792

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 23/12

11:45-11:53

2 stops56h 08m

Ontario

Wed 7/1

10:58-10:50

2 stops39h 52m

£813

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 24/12

11:45-22:14

2 stops42h 29m

Ontario

Tue 6/1

07:16-10:50

2 stops19h 34m

£918

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 24/12

11:45-22:14

2 stops42h 29m

Ontario

Mon 5/1

10:50-10:50

2 stops40h 00m

£918

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 3/12

19:40-14:00

2 stops26h 20m

Ontario

Thu 11/12

10:47-19:00

2 stops24h 13m

£986

Flights are sorted by cheapest return flights first.

Deals found on 6/11

Showing 1-10 of 19 results
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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.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Gatwick Airport to Ontario

What is the cheapest month to book a flight from London Gatwick Airport to Ontario?

Currently, September is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of £244). Flying from London Gatwick Airport to Ontario in December is currently the most expensive (average of £460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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.

  • What airport do you fly into for flights to Ontario from London Gatwick?

    Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from London Gatwick. Booking flights from London Gatwick to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from London Gatwick from 0 different airlines.

  • How long is the flight from London Gatwick Airport to Ontario?

    Departing from London Gatwick Airport to Ontario will take you 29h 39m. Airlines will cover a distance of 5430 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Gatwick to Ontario that include hotel bookings?

    Yes. In addition to deals on Gatwick to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ontario.

  • Can I find deals for business class flights from Gatwick to Ontario?

    Yes. Cheapflights offers flight deals from Gatwick to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, September is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of £244). Flying from London Gatwick Airport to Ontario in December is currently the most expensive (average of £460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Gatwick to Ontario

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Fly with Cheapflights

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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.

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