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Cheap flights from Ontario to London Gatwick Airport from £293

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 22/2. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
22 Feb — 1 Mar1
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 23 January 2026.

Wed 16/906:35
ONT
-
LGW
2 stops20h 05m
American Airlines
Wed 30/912:20
LGW
-
ONT
2 stops19h 57m
American Airlines
Deal found 21/1£437
Wed 15/407:30
ONT
-
LGW
2 stops22h 20m
British Airways
Fri 24/411:30
LGW
-
ONT
2 stops20h 16m
British Airways
Deal found 21/1£457
Mon 9/306:00
ONT
-
LGW
2 stops23h 25m
British Airways
Mon 16/319:30
LGW
-
ONT
2 stops30h 12m
British Airways
Deal found 22/1£470
Thu 26/206:00
ONT
-
LGW
2 stops20h 50m
Iberia
Sat 7/321:05
LGW
-
ONT
2 stops33h 54m
Iberia
Deal found 22/1£540
Thu 12/219:05
ONT
-
LGW
2 stops53h 55m
American Airlines
Wed 25/212:30
LGW
-
ONT
2 stops33h 19m
American Airlines
Deal found 22/1£602
Thu 23/407:30
ONT
-
LGW
2 stops17h 55m
Delta
Mon 4/510:25
LGW
-
ONT
2 stops18h 33m
Delta
Deal found 21/1£608
Tue 31/311:59
ONT
-
LGW
2 stops19h 46m
Delta
Sun 5/410:25
LGW
-
ONT
2 stops18h 35m
Delta
Deal found 22/1£691
Wed 12/814:00
ONT
-
LGW
2 stops18h 00m
Delta
Sun 23/810:25
LGW
-
ONT
2 stops19h 31m
Delta
Deal found 21/1£737
Tue 2/606:00
ONT
-
LGW
2 stops18h 40m
American Airlines
Wed 17/614:30
LGW
-
ONT
2 stops29h 26m
American Airlines
Deal found 21/1£743
Thu 26/210:05
ONT
-
LGW
2 stops16h 50m
Multiple Airlines
Thu 12/311:55
LGW
-
ONT
2 stops17h 50m
Multiple Airlines
Deal found 21/1£758
Thu 26/212:02
ONT
-
LGW
2 stops26h 33m
Multiple Airlines
Thu 5/306:25
LGW
-
ONT
2 stops25h 07m
Multiple Airlines
Deal found 21/1£776

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 23 January 2026.

Round-trip from

£457

One-way from

£293

Popular in

December

Cheapest in

September

Average price

£546
British Airways
  • British Airways
  • 15/4-24/4
  • 4 total stops
  • 42h 36m total
  • Ontario to London
Search Deals
British Airways
  • British Airways
  • 22/2
  • 2 total stops
  • 28h 27m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£62 potential increase over avg. return price).
Search Deals
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
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 23 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

Wed 15/4

07:30-13:50

2 stops22h 20m

London Gatwick

Fri 24/4

11:30-23:46

2 stops20h 16m

£457

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 26/2

06:00-10:50

2 stops20h 50m

London Gatwick

Sat 7/3

21:05-22:59

2 stops33h 54m

£540

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 12/2

19:05-09:00

2 stops53h 55m

London Gatwick

Wed 25/2

12:30-13:49

2 stops33h 19m

£602

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 23/4

07:30-09:25

2 stops17h 55m

London Gatwick

Mon 4/5

10:25-20:58

2 stops18h 33m

£609

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 2/6

06:00-08:40

2 stops18h 40m

London Gatwick

Wed 17/6

14:30-11:56

2 stops29h 26m

£743

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 26/2

10:05-10:55

2 stops16h 50m

London Gatwick

Thu 12/3

11:55-22:45

2 stops17h 50m

£758

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 5/3

12:02-22:35

2 stops26h 33m

London Gatwick

Thu 12/3

06:25-23:32

2 stops24h 07m

£776

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 3/3

12:02-22:35

2 stops26h 33m

London Gatwick

Thu 12/3

06:25-23:32

2 stops24h 07m

£776

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 18/3

10:33-22:35

2 stops29h 02m

London Gatwick

Wed 25/3

06:25-23:59

2 stops24h 34m

£776

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 26/2

12:02-22:35

2 stops26h 33m

London Gatwick

Thu 5/3

06:25-23:32

2 stops25h 07m

£776

Flights are sorted by cheapest return flights first.

Deals found on 22/1

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 £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, Iberia, and American Airlines can get you from Ontario to London Gatwick Airport in just under 20h 50m. Your travel time can differ by up to 33h 05m. 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
Wembley
Gatwick
Slough
Hounslow
Ilford
Brentford
Hayes
Colchester
Watford
Crawley
Bedford
Kingston upon Thames
Chelmsford
Eastbourne
Romford
Folkestone
Southend-on-Sea

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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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