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Gatwick

$246+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Dec 19 — Dec 261
Fri 12/19
Fri 12/26
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 November 19, 2025.

This Icelandair deal was found by Cheapflights users on 11/17. 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 12/3110:44 amONT - LGW
2 stops16h 11mMultiple Airlines
Thu 1/811:55 amLGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 11/17$1,396
This Icelandair deal was found by Cheapflights users on 11/17. 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 11/1810:59 amONT - LGW
2 stops15h 56mMultiple Airlines
Mon 11/2411:55 amLGW - ONT
2 stops20h 00mMultiple Airlines
Deal found 11/17$1,496
This CheapOair deal was found by Cheapflights users on 11/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:13 pmONT - LGW
2 stops26h 22mMultiple Airlines
Thu 1/226:25 amLGW - ONT
2 stops25h 31mMultiple Airlines
Deal found 11/18$1,559
This Icelandair deal was found by Cheapflights users on 11/18. 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 11/196:00 amONT - LGW
2 stops20h 55mMultiple Airlines
Thu 12/411:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
Deal found 11/18$1,564
This CheapOair deal was found by Cheapflights users on 11/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:13 pmONT - LGW
2 stops26h 17mMultiple Airlines
Mon 12/226:20 amLGW - ONT
2 stops25h 54mMultiple Airlines
Deal found 11/17$1,723
This Icelandair deal was found by Cheapflights users on 11/18. 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 11/2011:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Wed 12/1011:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 11/18$1,831
This Icelandair deal was found by Cheapflights users on 11/17. 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 11/238:30 amONT - LGW
2 stops18h 25mMultiple Airlines
Wed 11/2611:55 amLGW - ONT
2 stops20h 04mMultiple Airlines
Deal found 11/17$1,874
This Icelandair deal was found by Cheapflights users on 11/17. 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.
Sat 11/229:50 amONT - LGW
2 stops17h 05mMultiple Airlines
Wed 12/2411:55 amLGW - ONT
2 stops20h 19mMultiple Airlines
Deal found 11/17$1,919
This Icelandair deal was found by Cheapflights users on 11/17. 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 12/1611:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Sat 12/2711:55 amLGW - ONT
2 stops20h 10mMultiple Airlines
Deal found 11/17$2,116
This Icelandair deal was found by Cheapflights users on 11/17. 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 11/17$2,206

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 November 19, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$676
(Iberia)

One-way from

$246
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$765
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. 13% potential increase in price ($113 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 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 November 19, 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

Thu 2/12

7:10 am-10:50 am

2 stops19h 40m

London Gatwick

Wed 2/18

11:45 am-1:57 pm

2 stops34h 12m

$676

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 1/28

6:22 am-9:00 am

2 stops18h 38m

London Gatwick

Sun 2/1

11:20 am-4:05 pm

2 stops36h 45m

$831

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 3/4

11:59 pm-7:30 am

2 stops23h 31m

London Gatwick

Sun 3/8

12:30 pm-5:49 pm

2 stops36h 19m

$897

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 4/15

6:00 am-2:40 pm

2 stops24h 40m

London Gatwick

Tue 5/5

1:00 pm-9:50 pm

2 stops16h 50m

$968

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 3/4

6:14 am-10:55 am

2 stops20h 41m

London Gatwick

Sun 3/8

11:55 am-11:32 pm

2 stops18h 37m

$976

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 1/8

6:00 am-10:55 am

2 stops20h 55m

London Gatwick

Thu 1/29

11:55 am-11:56 pm

2 stops20h 01m

$976

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 4/21

11:30 am-2:40 pm

2 stops19h 10m

London Gatwick

Tue 5/12

1:00 pm-9:50 pm

2 stops16h 50m

$998

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 4/14

11:30 am-2:40 pm

2 stops19h 10m

London Gatwick

Tue 5/5

1:00 pm-9:50 pm

2 stops16h 50m

$998

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 4/14

11:30 am-2:40 pm

2 stops19h 10m

London Gatwick

Tue 4/28

1:00 pm-10:38 pm

2 stops17h 38m

$1,002

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 1/9

8:55 am-10:55 am

2 stops18h 00m

London Gatwick

Sun 1/18

11:55 am-11:56 pm

2 stops20h 01m

$1,036

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

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 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 $226). 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 Iberia and American Airlines fly from Ontario to London Gatwick Airport in about 18h 38m. The time it takes to get you to your destination can typically vary by up to 1h 02m. 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, October is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $226). 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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