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Cheap flights from Ontario to London Gatwick Airport from £228

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.
ONT — LGW
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 8 December 2025.

Wed 31/1210:47ONT - LGW
2 stops24h 13mIberia
Wed 28/111:45LGW - ONT
2 stops34h 33mIberia
Deal found 8/12£822
Fri 26/1214:42ONT - LGW
2 stops34h 18mAmerican Airlines
Sun 11/112:30LGW - ONT
2 stops38h 15mAmerican Airlines
Deal found 8/12£823
Wed 31/1207:10ONT - LGW
2 stops27h 50mIberia
Thu 29/111:45LGW - ONT
2 stops43h 03mIberia
Deal found 8/12£829
Sat 27/1206:10ONT - LGW
2 stops18h 50mAmerican Airlines
Sat 10/112:30LGW - ONT
2 stops32h 08mAmerican Airlines
Deal found 8/12£850
Wed 31/1210:47ONT - LGW
2 stops24h 13mIberia
Sat 31/111:45LGW - ONT
2 stops43h 03mIberia
Deal found 8/12£867
Sat 27/1206:10ONT - LGW
2 stops18h 50mAmerican Airlines
Fri 9/111:20LGW - ONT
2 stops34h 58mAmerican Airlines
Deal found 8/12£889
Wed 31/1207:10ONT - LGW
2 stops27h 50mIberia
Sun 1/211:45LGW - ONT
2 stops43h 03mIberia
Deal found 8/12£893
Sun 14/1206:00ONT - LGW
2 stops29h 00mBritish Airways
Wed 24/1219:40LGW - ONT
2 stops30h 38mBritish Airways
Deal found 6/12£896
Sat 27/1206:10ONT - LGW
2 stops18h 50mAmerican Airlines
Thu 8/112:30LGW - ONT
2 stops37h 51mAmerican Airlines
Deal found 7/12£903
Fri 26/1222:40ONT - LGW
2 stops24h 50mAmerican Airlines
Sat 10/112:30LGW - ONT
2 stops35h 35mAmerican Airlines
Deal found 8/12£1,005
Fri 26/1222:40ONT - LGW
2 stops24h 50mAmerican Airlines
Fri 9/111:20LGW - ONT
2 stops36h 45mAmerican Airlines
Deal found 7/12£1,044
Mon 29/1223:59ONT - LGW
2 stops35h 01mBritish Airways
Wed 28/119:40LGW - ONT
2 stops35h 08mBritish Airways
Deal found 8/12£1,306

Find 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 8 December 2025.

Round-trip from

£490

One-way from

£228

Popular in

December

Cheapest in

September

Average price

£770
Iberia
  • Iberia
  • 4/2-2/3
  • 4 total stops
  • 54h 24m total
  • Ontario to London
Search Deals
22/1
  • 22/1
  • 3 total stops
  • 43h 40m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£56 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 8 December 2025.
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

Wed 4/2

10:58-19:00

2 stops24h 02m

London Gatwick

Mon 2/3

11:45-10:07

2 stops30h 22m

£490

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 24/2

07:10-19:00

2 stops27h 50m

London Gatwick

Tue 10/3

19:40-22:30

2 stops33h 50m

£669

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 26/2

07:10-19:00

2 stops27h 50m

London Gatwick

Thu 5/3

11:45-23:58

2 stops44h 13m

£669

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 22/1

06:00-10:55

2 stops20h 55m

London Gatwick

Thu 29/1

11:55-23:56

2 stops20h 01m

£733

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 15/4

06:00-14:40

2 stops24h 40m

London Gatwick

Tue 5/5

13:00-22:38

2 stops17h 38m

£735

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 25/2

10:59-19:00

2 stops24h 01m

London Gatwick

Mon 9/3

19:40-10:06

2 stops21h 26m

£747

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 15/1

06:00-10:55

2 stops20h 55m

London Gatwick

Thu 22/1

11:55-21:45

2 stops17h 50m

£748

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 25/2

10:59-19:00

2 stops24h 01m

London Gatwick

Wed 11/3

19:40-22:30

2 stops33h 50m

£754

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 4/3

06:14-10:55

2 stops20h 41m

London Gatwick

Sun 8/3

11:55-23:32

2 stops18h 37m

£756

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sat 28/2

10:59-10:50

2 stops39h 51m

London Gatwick

Tue 10/3

19:40-22:30

2 stops33h 50m

£760

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 22 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 £169). Flying from Ontario to London Gatwick Airport in February is currently the most expensive (average of £450). 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?

    Iberia can get you from Ontario to London Gatwick Airport in just under 24h 02m. Your travel time can differ by up to . There are 5430 mi between Ontario and London Gatwick Airport.

  • 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 £169). Flying from Ontario to London Gatwick Airport in February is currently the most expensive (average of £450). 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
Croydon
Hounslow
Slough
Gatwick
Luton
Ilford
Wembley
Colchester
Brentford
Watford
Hayes
Crawley
Deal
Winchester
Romford
Bedford
Chichester
Guildford
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Ontario to Gatwick

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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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