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Gatwick

$284+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
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 August 14, 2025.

Round-trip from

$706
(Iberia)

One-way from

$284
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$615
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. 11% potential increase in price ($93 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 14, 2025.

This Delta deal was found by Cheapflights users on 8/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/237:05 amONT - LGW
2 stops18h 55mDelta
Sat 8/3012:00 pmLGW - ONT
2 stops30h 20mDelta
Deal found 8/14$593
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/118:15 amONT - LGW
2 stops18h 25mAmerican Airlines
Tue 9/1612:20 pmLGW - ONT
2 stops18h 13mAmerican Airlines
Deal found 8/12$663
This Iberia deal was found by Cheapflights users on 8/14. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/187:00 amONT - LGW
2 stops19h 50mIberia
Tue 12/211:45 amLGW - ONT
2 stops55h 45mIberia
Deal found 8/14$706
This American Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 9/188:15 amONT - LGW
2 stops16h 20mAmerican Airlines
Tue 9/232:30 pmLGW - ONT
2 stops29h 27mAmerican Airlines
Deal found 8/12$717
This Iberia deal was found by Cheapflights users on 8/13. 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.
Sat 11/2212:53 pmONT - LGW
2 stops37h 57mIberia
Wed 12/311:45 amLGW - ONT
2 stops31h 45mIberia
Deal found 8/13$796
This Iberia deal was found by Cheapflights users on 8/13. 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.
Sat 11/2210:47 amONT - LGW
2 stops40h 03mIberia
Fri 12/57:40 pmLGW - ONT
2 stops23h 50mIberia
Deal found 8/13$846
This Iberia deal was found by Cheapflights users on 8/12. 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.
Mon 10/2710:57 amONT - LGW
2 stops25h 03mIberia
Fri 11/711:45 amLGW - ONT
2 stops32h 09mIberia
Deal found 8/12$854
This Expedia deal was found by Cheapflights users on 8/12. 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.
Mon 8/257:10 amONT - LGW
2 stops42h 10mMultiple Airlines
Mon 9/18:40 pmLGW - ONT
2 stops34h 08mMultiple Airlines
Deal found 8/12$922
This Iberia deal was found by Cheapflights users on 8/13. 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 8/13$938
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/198:00 amONT - LGW
1 stop17h 20mMultiple Airlines
Tue 8/2610:25 amLGW - ONT
1 stop13h 53mMultiple Airlines
Deal found 8/12$965
This Icelandair deal was found by Cheapflights users on 8/13. 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 11/1811:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 8/13$969
This Air France deal was found by Cheapflights users on 8/13. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:05 amONT - LGW
2 stops18h 55mKLM
Sun 8/3112:00 pmLGW - ONT
2 stops39h 11mKLM
Deal found 8/13$976

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 August 14, 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

Sat 8/23

7:05 am-10:00 am

2 stops18h 55m

London Gatwick

Sat 8/30

12:00 pm-10:20 am

2 stops30h 20m

$593

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 9/11

8:15 am-10:40 am

2 stops18h 25m

London Gatwick

Tue 9/16

12:20 pm-10:33 pm

2 stops18h 13m

$663

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 9/18

8:15 am-8:35 am

2 stops16h 20m

London Gatwick

Tue 9/23

2:30 pm-11:57 am

2 stops29h 27m

$717

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 10/27

10:57 am-7:00 pm

2 stops25h 03m

London Gatwick

Fri 11/7

11:45 am-11:54 am

2 stops32h 09m

$854

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 8/25

7:10 am-9:20 am

2 stops42h 10m

London Gatwick

Mon 9/1

8:40 pm-10:48 pm

2 stops34h 08m

$922

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 9/30

2:54 pm-8:00 pm

2 stops21h 06m

London Gatwick

Tue 10/7

11:35 am-10:42 pm

2 stops19h 07m

$938

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 8/19

8:00 am-9:20 am

1 stop17h 20m

London Gatwick

Tue 8/26

10:25 am-4:18 pm

1 stop13h 53m

$965

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 11/4

11:15 am-10:55 am

2 stops15h 40m

London Gatwick

Tue 11/18

11:55 am-10:05 pm

2 stops18h 10m

$969

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 11/5

11:15 am-10:55 am

2 stops15h 40m

London Gatwick

Wed 11/12

11:55 am-10:05 pm

2 stops18h 10m

$969

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 8/19

7:05 am-10:00 am

2 stops18h 55m

London Gatwick

Sun 8/31

12:00 pm-7:11 pm

2 stops39h 11m

$976

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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 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 $550). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $763). 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.

  • 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 $550). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $763). 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
Thornton Heath
Harrow
Canterbury
Dartford
Dover
Orpington
Watford
Gatwick
Borehamwood
Aylesbury
Chelmsford
Southend-on-Sea
Folkestone
Chichester
Arundel
Eastbourne
Milton Keynes
Sutton

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