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Gatwick

$263+ Cheap flights from Ontario (ONT) to Gatwick (LGW)

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 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Find flight deals from Ontario to Gatwick

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 October 23, 2025.

This Trip.com deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/108:24 amONT - LGW
2 stops37h 36mMultiple Airlines
Wed 11/121:00 pmLGW - ONT
2 stops25h 27mMultiple Airlines
Deal found 10/23$732
This Icelandair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/411:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Tue 2/2411:55 amLGW - ONT
2 stops18h 42mMultiple Airlines
Deal found 10/21$949
This Icelandair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/511:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Wed 11/1211:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 10/22$969
This Icelandair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/710:50 amONT - LGW
2 stops16h 05mMultiple Airlines
Fri 1/911:55 amLGW - ONT
2 stops20h 01mMultiple Airlines
Deal found 10/22$989
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2912:55 pmONT - LGW
2 stops34h 35mAmerican Airlines
Mon 12/1512:30 pmLGW - ONT
2 stops31h 30mAmerican Airlines
Deal found 10/21$990
This Icelandair deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/279:25 amONT - LGW
2 stops17h 30mMultiple Airlines
Thu 12/1111:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
Deal found 10/21$991
This Icelandair deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Tue 12/1611:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 10/22$992
This Icelandair deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/78:30 amONT - LGW
2 stops18h 25mMultiple Airlines
Sun 12/1411:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
Deal found 10/23$999
This Justfly.com deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:11 pmONT - LGW
2 stops32h 44mMultiple Airlines
Mon 11/2411:55 amLGW - ONT
2 stops20h 04mMultiple Airlines
Deal found 10/22$1,019
This Icelandair deal was found by Cheapflights users on 10/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:30 amONT - LGW
2 stops18h 25mMultiple Airlines
Sun 11/2311:55 amLGW - ONT
2 stops20h 00mMultiple Airlines
Deal found 10/20$1,030
This Icelandair deal was found by Cheapflights users on 10/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1310:50 amONT - LGW
2 stops16h 05mMultiple Airlines
Tue 11/1811:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 10/23$1,059

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 October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$732
(Trip.com)

One-way from

$263
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$617
Provider with most accurate pricing for Ontario-London Gatwick flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-London Gatwick flights.
Search Deals
From Ontario to London Gatwick
Search Deals
One-way flight from Ontario to London Gatwick
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 23, 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

Mon 11/10

8:24 am-6:00 am

2 stops37h 36m

London Gatwick

Wed 11/12

1:00 pm-6:27 am

2 stops25h 27m

$732

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 3/4

6:47 am-7:30 am

2 stops16h 43m

London Gatwick

Sun 3/8

11:20 am-8:15 pm

2 stops39h 55m

$850

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 11/9

8:30 am-10:55 am

2 stops18h 25m

London Gatwick

Fri 11/14

11:55 am-11:56 pm

2 stops20h 01m

$949

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 11/4

11:15 am-10:55 am

2 stops15h 40m

London Gatwick

Tue 2/24

11:55 am-10:37 pm

2 stops18h 42m

$949

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 3/1

6:00 am-10:55 am

2 stops20h 55m

London Gatwick

Sat 3/7

11:55 am-10:37 pm

2 stops18h 42m

$979

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 12/7

10:50 am-10:55 am

2 stops16h 05m

London Gatwick

Fri 1/9

11:55 am-11:56 pm

2 stops20h 01m

$989

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sat 11/29

12:55 pm-7:30 am

2 stops34h 35m

London Gatwick

Mon 12/15

12:30 pm-12:00 pm

2 stops31h 30m

$990

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 12/2

11:15 am-10:55 am

2 stops15h 40m

London Gatwick

Tue 12/16

11:55 am-10:05 pm

2 stops18h 10m

$990

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 11/27

9:25 am-10:55 am

2 stops17h 30m

London Gatwick

Thu 12/11

11:55 am-11:29 pm

2 stops19h 34m

$991

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 11/6

6:10 am-10:50 am

2 stops20h 40m

$602

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 19 results
1
2

Compare providers for flights from Ontario to Gatwick

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Gatwick in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-London Gatwick Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-London Gatwick Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-London Gatwick Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-London Gatwick Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-London Gatwick Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 $251). Flying from Ontario to London Gatwick Airport in February is currently the most expensive (average of $601). 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?

    For a flight from Ontario to London Gatwick, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Ontario on a regular basis.

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

    Airlines like American Airlines fly from Ontario to London Gatwick Airport in about 16h 43m. The time it takes to get you to your destination can typically vary by up to . Ontario and London Gatwick Airport are separated by a distance of 5430 mi.

  • 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 vacation 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 $251). Flying from Ontario to London Gatwick Airport in February is currently the most expensive (average of $601). 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

Traveling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Ilford
Hayes
Southend-on-Sea
Harrow
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Chipping Norton
Wembley
Folkestone
Eastbourne
Sutton

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