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Gatwick

$241+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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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 September 16, 2025.

Round-trip from

$813
(American Airlines)

One-way from

$241
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$604
From Ontario to London Gatwick
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One-way flight from Ontario to London Gatwick
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Highest demand for flights based on searches. 12% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. 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.
Sun 10/196:15 amONT - LGW
2 stops18h 20mAmerican Airlines
Sun 10/2611:20 amLGW - ONT
2 stops31h 38mAmerican Airlines
Deal found 9/14$813
This Travelocity deal was found by Cheapflights users on 9/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/12:51 pmONT - LGW
2 stops45h 09mBritish Airways
Thu 11/2011:45 amLGW - ONT
2 stops41h 26mBritish Airways
Deal found 9/16$878
This Icelandair deal was found by Cheapflights users on 9/16. 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 10/2210:40 amONT - LGW
2 stops20h 00mMultiple Airlines
Wed 10/2911:55 amLGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 9/16$970
This Icelandair deal was found by Cheapflights users on 9/16. 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.
Mon 10/279:00 amONT - LGW
2 stops18h 55mMultiple Airlines
Fri 11/711:55 amLGW - ONT
2 stops19h 37mMultiple Airlines
Deal found 9/16$971
This Icelandair deal was found by Cheapflights users on 9/16. 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 10/151:31 pmONT - LGW
2 stops17h 09mMultiple Airlines
Wed 11/1211:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 9/16$1,022
This Icelandair deal was found by Cheapflights users on 9/15. 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 12/1011:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Thu 12/1811:55 amLGW - ONT
2 stops20h 10mMultiple Airlines
Deal found 9/15$1,065
This Icelandair deal was found by Cheapflights users on 9/16. 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 10/151:31 pmONT - LGW
2 stops17h 09mMultiple Airlines
Sun 11/911:55 amLGW - ONT
2 stops19h 37mMultiple Airlines
Deal found 9/16$1,071
This Icelandair deal was found by Cheapflights users on 9/14. 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.
Mon 12/19:30 amONT - LGW
2 stops17h 25mMultiple Airlines
Tue 12/911:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 9/14$1,073
This Expedia deal was found by Cheapflights users on 9/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/110:59 amONT - LGW
2 stops16h 56mMultiple Airlines
Sat 11/1511:55 amLGW - ONT
2 stops31h 10mMultiple Airlines
Deal found 9/16$1,081
This Icelandair deal was found by Cheapflights users on 9/16. 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 10/191:50 pmONT - LGW
2 stops16h 50mMultiple Airlines
Sun 11/911:55 amLGW - ONT
2 stops19h 37mMultiple Airlines
Deal found 9/16$1,136
This Iberia deal was found by Cheapflights users on 9/16. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/302:54 pmONT - LGW
2 stops21h 06mIberia
Tue 10/711:35 amLGW - ONT
2 stops19h 07mIberia
Deal found 9/16$1,163

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 September 16, 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

Sun 10/19

6:15 am-8:35 am

2 stops18h 20m

London Gatwick

Sun 10/26

11:20 am-11:58 am

2 stops31h 38m

$813

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 3/4

6:47 am-9:00 am

2 stops18h 13m

London Gatwick

Sun 3/8

12:30 pm-5:49 pm

2 stops36h 19m

$814

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sat 11/1

2:51 pm-7:00 pm

2 stops45h 09m

London Gatwick

Thu 11/20

11:45 am-9:11 pm

2 stops41h 26m

$878

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 10/29

10:40 am-10:55 am

2 stops17h 15m

London Gatwick

Wed 11/5

11:55 am-10:05 pm

2 stops18h 10m

$970

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 10/27

9:00 am-10:55 am

2 stops18h 55m

London Gatwick

Fri 11/7

11:55 am-11:32 pm

2 stops19h 37m

$971

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 10/15

1:31 pm-2:40 pm

2 stops17h 09m

London Gatwick

Wed 11/12

11:55 am-10:05 pm

2 stops18h 10m

$1,022

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 1/9

6:30 am-10:55 am

2 stops20h 25m

London Gatwick

Sun 1/18

11:55 am-10:37 pm

2 stops18h 42m

$1,064

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 12/10

11:15 am-10:55 am

2 stops15h 40m

London Gatwick

Thu 12/18

11:55 am-12:05 am

2 stops20h 10m

$1,065

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 10/15

1:31 pm-2:40 pm

2 stops17h 09m

London Gatwick

Sun 11/9

11:55 am-11:32 pm

2 stops19h 37m

$1,071

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 11/9

6:53 am-6:00 am

2 stops39h 07m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results
1
2

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, January is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $569). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $765). 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 and British Airways fly from Ontario to London Gatwick Airport in about 18h 20m. The time it takes to get you to your destination can typically vary by up to 26h 49m. Ontario and London Gatwick Airport are separated by a distance of 5430 mi. This flight may include one or multiple stops.

  • 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, January is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $569). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $765). 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
Hayes
Southend-on-Sea
Harrow
Canterbury
Croydon
Eastleigh
Dartford
Dover
Winchester
Orpington
Gatwick
Borehamwood
Aylesbury
Bedford
Wembley
Folkestone
Chichester
Eastbourne
Sutton

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