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Gatwick

$433+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Feb 6 — Feb 131
Fri 2/6
Fri 2/13
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 January 7, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$664
(British Airways)

One-way from

$433
(Iberia)

Popular in

December

Cheapest in

September

Average price

$732
Provider with most accurate pricing for Ontario-London Gatwick flight deals.
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Provider most trusted by Cheapflights users for Ontario-London Gatwick flights.
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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. 13% potential increase in price ($111 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 7, 2026.

This British Airways deal was found by Cheapflights users on 1/5. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/86:00 amONT - LGW
2 stops22h 15mBritish Airways
Sun 4/199:45 pmLGW - ONT
2 stops28h 52mBritish Airways
Deal found 1/5$664
This Icelandair deal was found by Cheapflights users on 1/7. 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 4/1510:33 amONT - LGW
2 stops20h 07mMultiple Airlines
Tue 5/51:00 pmLGW - ONT
2 stops17h 32mMultiple Airlines
Deal found 1/7$954
This Icelandair deal was found by Cheapflights users on 1/6. 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 1/286:30 amONT - LGW
2 stops20h 25mMultiple Airlines
Tue 2/311:55 amLGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 1/6$970
This Expedia deal was found by Cheapflights users on 1/6. 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.
Fri 2/2710:56 amONT - LGW
2 stops39h 54mIberia
Fri 3/611:45 amLGW - ONT
2 stops34h 04mIberia
Deal found 1/6$972
This Orbitz deal was found by Cheapflights users on 1/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/116:00 amONT - LGW
2 stops20h 50mIberia
Mon 1/1911:45 amLGW - ONT
2 stops30h 23mIberia
Deal found 1/6$1,005
This Icelandair deal was found by Cheapflights users on 1/5. 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 3/56:14 amONT - LGW
2 stops20h 41mMultiple Airlines
Thu 3/1211:55 amLGW - ONT
2 stops18h 37mMultiple Airlines
Deal found 1/5$1,010
This Orbitz deal was found by Cheapflights users on 1/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2310:59 amONT - LGW
2 stops25h 01mIberia
Sat 5/28:40 pmLGW - ONT
2 stops35h 06mIberia
Deal found 1/6$1,018
This Icelandair deal was found by Cheapflights users on 1/6. 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 2/256:14 amONT - LGW
2 stops20h 41mMultiple Airlines
Sun 3/111:55 amLGW - ONT
2 stops19h 40mMultiple Airlines
Deal found 1/6$1,028
This Icelandair deal was found by Cheapflights users on 1/5. 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 3/1211:17 amONT - LGW
2 stops16h 38mMultiple Airlines
Tue 3/2411:55 amLGW - ONT
2 stops19h 04mMultiple Airlines
Deal found 1/5$1,053
This Icelandair deal was found by Cheapflights users on 1/6. 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.
Fri 3/66:14 amONT - LGW
2 stops20h 41mMultiple Airlines
Mon 3/911:55 amLGW - ONT
2 stops18h 37mMultiple Airlines
Deal found 1/6$1,060
This Icelandair deal was found by Cheapflights users on 1/7. 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 1/186:30 amONT - LGW
2 stops20h 25mMultiple Airlines
Tue 2/311:55 amLGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 1/7$1,067

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 January 7, 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

Sat 4/11

11:59 pm-6:55 pm

2 stops34h 56m

London Gatwick

Sun 4/19

8:25 pm-6:37 pm

2 stops30h 12m

$664

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 4/8

6:00 am-12:15 pm

2 stops22h 15m

London Gatwick

Sun 4/19

9:45 pm-6:37 pm

2 stops28h 52m

$664

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 4/15

10:33 am-2:40 pm

2 stops20h 07m

London Gatwick

Tue 5/5

1:00 pm-10:32 pm

2 stops17h 32m

$954

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 1/28

6:30 am-10:55 am

2 stops20h 25m

London Gatwick

Tue 2/3

11:55 am-9:45 pm

2 stops17h 50m

$970

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 3/5

6:14 am-10:55 am

2 stops20h 41m

London Gatwick

Thu 3/12

11:55 am-11:32 pm

2 stops18h 37m

$1,010

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 4/23

10:59 am-8:00 pm

2 stops25h 01m

London Gatwick

Sat 5/2

8:40 pm-11:46 pm

2 stops35h 06m

$1,018

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 2/25

6:14 am-10:55 am

2 stops20h 41m

London Gatwick

Sun 3/1

11:55 am-11:35 pm

2 stops19h 40m

$1,028

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 3/12

11:17 am-10:55 am

2 stops16h 38m

London Gatwick

Tue 3/24

11:55 am-11:59 pm

2 stops19h 04m

$1,053

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 3/6

6:14 am-10:55 am

2 stops20h 41m

London Gatwick

Mon 3/9

11:55 am-11:32 pm

2 stops18h 37m

$1,060

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 3/8

6:14 am-10:55 am

2 stops21h 41m

London Gatwick

Thu 3/12

11:55 am-10:45 pm

2 stops17h 50m

$1,075

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 22 results
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  • Most accurate provider: When it comes to deals on Ontario-London Gatwick Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-London Gatwick Airport flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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 $222). Flying from Ontario to London Gatwick Airport in January is currently the most expensive (average of $662). 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 British Airways fly from Ontario to London Gatwick Airport in about 34h 56m. 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 $222). Flying from Ontario to London Gatwick Airport in January is currently the most expensive (average of $662). 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
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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