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Cheap flights from Ontario to London Gatwick Airport from £211

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

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 9 January 2026.

Round-trip from

£509

One-way from

£211

Popular in

December

Cheapest in

September

Average price

£544
American Airlines
  • American Airlines
  • 22/1-31/1
  • 4 total stops
  • 57h 19m total
  • Ontario to London
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24/1
  • 24/1
  • 2 total stops
  • 18h 50m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£61 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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Find flight deals from Ontario to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Gatwick
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 9 January 2026.

Wed 2/906:10ONT - LGW
2 stops20h 30mAmerican Airlines
Thu 1/1012:20LGW - ONT
2 stops19h 57mAmerican Airlines
Deal found 8/1£438
Wed 8/406:00ONT - LGW
2 stops22h 15mBritish Airways
Sun 19/421:45LGW - ONT
2 stops28h 52mBritish Airways
Deal found 5/1£494
Thu 22/123:59ONT - LGW
2 stops23h 31mAmerican Airlines
Sat 31/112:30LGW - ONT
2 stops33h 48mAmerican Airlines
Deal found 8/1£509
Wed 11/306:14ONT - LGW
2 stops21h 41mMultiple Airlines
Tue 17/311:55LGW - ONT
2 stops17h 49mMultiple Airlines
Deal found 7/1£692
Wed 15/410:33ONT - LGW
2 stops20h 07mMultiple Airlines
Tue 5/513:00LGW - ONT
2 stops17h 32mMultiple Airlines
Deal found 7/1£710
Wed 28/106:30ONT - LGW
2 stops20h 25mMultiple Airlines
Tue 3/211:55LGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 6/1£721
Fri 27/210:56ONT - LGW
2 stops39h 54mIberia
Fri 6/311:45LGW - ONT
2 stops34h 04mIberia
Deal found 6/1£723
Thu 5/306:14ONT - LGW
2 stops20h 41mMultiple Airlines
Thu 12/311:55LGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 8/1£745
Sun 11/106:00ONT - LGW
2 stops20h 50mIberia
Mon 19/111:45LGW - ONT
2 stops30h 23mIberia
Deal found 6/1£748
Thu 23/410:59ONT - LGW
2 stops25h 01mIberia
Sat 2/520:40LGW - ONT
2 stops35h 06mIberia
Deal found 6/1£757
Wed 25/206:14ONT - LGW
2 stops20h 41mMultiple Airlines
Sun 1/311:55LGW - ONT
2 stops19h 40mMultiple Airlines
Deal found 6/1£765

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Gatwick 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 9 January 2026.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Ontario

Fly to

Gatwick

Route

Depart

Return

Price

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sat 11/4

23:59-18:55

2 stops34h 56m

London Gatwick

Sun 19/4

20:25-18:37

2 stops30h 12m

£494

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 8/4

06:00-12:15

2 stops22h 15m

London Gatwick

Sun 19/4

21:45-18:37

2 stops28h 52m

£494

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 22/1

23:59-07:30

2 stops23h 31m

London Gatwick

Sat 31/1

12:30-14:18

2 stops33h 48m

£509

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 11/3

06:14-10:55

2 stops21h 41m

London Gatwick

Tue 17/3

11:55-22:44

2 stops17h 49m

£692

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 15/4

10:33-14:40

2 stops20h 07m

London Gatwick

Tue 5/5

13:00-22:32

2 stops17h 32m

£710

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 28/1

06:30-10:55

2 stops20h 25m

London Gatwick

Tue 3/2

11:55-21:45

2 stops17h 50m

£721

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 5/3

06:14-10:55

2 stops20h 41m

London Gatwick

Thu 12/3

11:55-22:45

2 stops17h 50m

£745

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 23/4

10:59-20:00

2 stops25h 01m

London Gatwick

Sat 2/5

20:40-23:46

2 stops35h 06m

£757

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 25/2

06:14-10:55

2 stops20h 41m

London Gatwick

Sun 1/3

11:55-23:35

2 stops19h 40m

£765

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 6/3

06:14-10:55

2 stops20h 41m

London Gatwick

Mon 9/3

11:55-23:32

2 stops18h 37m

£788

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 21 results
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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.
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 Ontario to London Gatwick Airport

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

Currently, October is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of £165). Flying from Ontario to London Gatwick Airport in January is currently the most expensive (average of £492). 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 Ontario to Gatwick. 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 from for flights from Ontario to London Gatwick?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to London Gatwick. On average, Ontario has 0 outbound flights to London Gatwick per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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

    British Airways and American Airlines can get you from Ontario to London Gatwick Airport in just under 23h 31m. Your travel time can differ by up to 11h 25m. There are 5430 mi between Ontario and London Gatwick Airport. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Gatwick 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 Ontario to London Gatwick Airport?

    Currently, October is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of £165). Flying from Ontario to London Gatwick Airport in January is currently the most expensive (average of £492). 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Milton Keynes
Luton
Croydon
Slough
Hounslow
Gatwick
Ilford
Wembley
Brentford
Hayes
Colchester
Watford
Crawley
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
Romford
Folkestone
Ipswich

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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 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.

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