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Cheap flights from London Gatwick Airport to Ontario from £220

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ONT
6 Feb — 13 Feb1
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 January 2026.

Round-trip from

£384

One-way from

£220

Popular in

July

Cheapest in

September

Average price

£444
American Airlines
  • American Airlines
  • 11/3-25/3
  • 4 total stops
  • 59h 39m total
  • London to Ontario
Search Deals
23/1
  • 23/1
  • 2 total stops
  • 41h 24m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£48 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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 January 2026.

Wed 11/312:30LGW - ONT
2 stops39h 54mAmerican Airlines
Wed 25/306:15ONT - LGW
2 stops19h 45mAmerican Airlines
Deal found 5/1£384
Mon 2/219:40LGW - ONT
2 stops26h 38mIberia
Mon 23/210:56ONT - LGW
2 stops24h 04mIberia
Deal found 5/1£506
Tue 3/211:55LGW - ONT
2 stops17h 50mMultiple Airlines
Tue 24/208:55ONT - LGW
2 stops18h 00mMultiple Airlines
Deal found 6/1£709
Wed 25/211:55LGW - ONT
2 stops18h 49mMultiple Airlines
Sun 1/306:14ONT - LGW
2 stops20h 41mMultiple Airlines
Deal found 6/1£736
Thu 19/211:55LGW - ONT
2 stops18h 25mMultiple Airlines
Thu 26/206:14ONT - LGW
2 stops20h 41mMultiple Airlines
Deal found 5/1£816
Thu 22/111:55LGW - ONT
2 stops17h 50mMultiple Airlines
Wed 4/209:05ONT - LGW
2 stops17h 50mMultiple Airlines
Deal found 6/1£849
Thu 29/1011:55LGW - ONT
2 stops17h 44mMultiple Airlines
Mon 2/1107:30ONT - LGW
2 stops19h 25mMultiple Airlines
Deal found 6/1£858
Tue 7/711:30LGW - ONT
2 stops20h 29mIberia
Tue 28/714:22ONT - LGW
2 stops21h 38mIberia
Deal found 6/1£895
Tue 25/813:00LGW - ONT
2 stops17h 39mMultiple Airlines
Tue 1/912:00ONT - LGW
2 stops18h 40mMultiple Airlines
Deal found 6/1£934
Thu 21/513:00LGW - ONT
2 stops17h 40mMultiple Airlines
Tue 1/1210:03ONT - LGW
2 stops16h 52mMultiple Airlines
Deal found 6/1£992
Wed 8/711:30LGW - ONT
2 stops20h 29mIberia
Sun 2/812:46ONT - LGW
2 stops23h 14mIberia
Deal found 6/1£1,014
Mon 6/711:30LGW - ONT
2 stops20h 29mIberia
Mon 27/714:22ONT - LGW
2 stops21h 38mIberia
Deal found 5/1£1,042

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 January 2026.
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

Wed 11/3

12:30-21:24

2 stops39h 54m

Ontario

Wed 25/3

06:15-09:00

2 stops19h 45m

£384

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 2/2

19:40-14:18

2 stops26h 38m

Ontario

Mon 23/2

10:56-19:00

2 stops24h 04m

£506

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 3/2

11:55-21:45

2 stops17h 50m

Ontario

Tue 24/2

08:55-10:55

2 stops18h 00m

£709

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 19/2

11:55-22:20

2 stops18h 25m

Ontario

Thu 26/2

06:14-10:55

2 stops20h 41m

£816

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 22/1

11:55-21:45

2 stops17h 50m

Ontario

Wed 4/2

09:05-10:55

2 stops17h 50m

£849

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 21/5

13:00-22:40

2 stops17h 40m

Ontario

Tue 1/12

10:03-10:55

2 stops16h 52m

£992

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 5/2

11:55-23:56

2 stops20h 01m

Ontario

Thu 12/2

06:14-10:55

2 stops20h 41m

£2,969

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 22/5

11:30-23:59

2 stops20h 29m

Ontario

Sun 31/5

14:22-20:00

2 stops21h 38m

£8,596

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 6/5

11:30-23:46

2 stops20h 16m

£343

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sat 21/2

16:30-13:11

3 stops52h 41m

£403

Flights are sorted by cheapest return flights first.

Deals found on 6/1

Showing 1-10 of 18 results
1
2

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 £237). Flying from London Gatwick Airport to Ontario in December is currently the most expensive (average of £447). 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 26h 38m. 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 £237). Flying from London Gatwick Airport to Ontario in December is currently the most expensive (average of £447). 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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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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