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Gatwick

$346+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Aug 16 — Aug 231
Sun 8/16
Sun 8/23
1 adult, Economy
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Cheap 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 July 17, 2026.

This American Airlines deal was found by Cheapflights users on 7/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:00 am
ONT
-
LGW
2 stops18h 40m
American Airlines
Wed 9/22:30 pm
LGW
-
ONT
2 stops29h 13m
American Airlines
Deal found 7/17$936
This Iberia deal was found by Cheapflights users on 7/17. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/162:27 pm
ONT
-
LGW
2 stops21h 33m
Iberia
Thu 8/2711:30 am
LGW
-
ONT
2 stops19h 29m
Iberia
Deal found 7/17$945
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/287:00 am
ONT
-
LGW
2 stops24h 45m
Delta
Wed 1/610:00 am
LGW
-
ONT
2 stops38h 12m
Delta
Deal found 7/15$949
This Delta deal was found by Cheapflights users on 7/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/177:05 am
ONT
-
LGW
2 stops18h 35m
Delta
Wed 9/210:25 am
LGW
-
ONT
2 stops20h 20m
Delta
Deal found 7/17$951
This Condor deal was found by Cheapflights users on 7/14. 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 Condor is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1710:54 am
ONT
-
LGW
2 stops23h 56m
Multiple Airlines
Sun 8/3010:20 am
LGW
-
ONT
2 stops20h 30m
Multiple Airlines
Deal found 7/14$964
This Delta deal was found by Cheapflights users on 7/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/246:00 am
ONT
-
LGW
2 stops25h 45m
Delta
Wed 1/610:00 am
LGW
-
ONT
2 stops38h 12m
Delta
Deal found 7/15$1,009
This Iberia deal was found by Cheapflights users on 7/13. 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.
Wed 8/122:27 pm
ONT
-
LGW
2 stops21h 33m
Iberia
Wed 8/1911:30 am
LGW
-
ONT
2 stops19h 29m
Iberia
Deal found 7/13$1,022
This Icelandair deal was found by Cheapflights users on 7/12. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1712:25 pm
ONT
-
LGW
2 stops15h 20m
Multiple Airlines
Tue 9/11:00 pm
LGW
-
ONT
2 stops17h 00m
Multiple Airlines
Deal found 7/12$1,028
This Icelandair deal was found by Cheapflights users on 7/16. 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 8/191:50 pm
ONT
-
LGW
2 stops16h 50m
Multiple Airlines
Thu 8/271:00 pm
LGW
-
ONT
2 stops17h 10m
Multiple Airlines
Deal found 7/16$1,038
This Icelandair deal was found by Cheapflights users on 7/16. 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 9/21:50 pm
ONT
-
LGW
2 stops16h 50m
Multiple Airlines
Thu 9/101:00 pm
LGW
-
ONT
2 stops17h 10m
Multiple Airlines
Deal found 7/16$1,059

Find 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 July 17, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$945
(Iberia)

One-way from

$346
(Trip.com)

Popular in

June

Cheapest in

September

Average price

$955
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. 22% potential increase in price ($224 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 17, 2026.
Use the filters below to find and compare flights from Ontario to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 10/7

10:25 am-2:40 pm

2 stops20h 15m

London Gatwick

Tue 10/13

3:40 pm-11:45 pm

2 stops40h 05m

$1,078
Quickest round-trip

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 7/28

2:05 pm-2:40 pm

2 stops16h 35m

London Gatwick

Tue 8/25

1:00 pm-10:00 pm

2 stops17h 00m

$1,098

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 8/21

12:25 pm-2:40 pm

2 stops18h 15m

London Gatwick

Sun 8/30

1:00 pm-10:00 pm

2 stops17h 00m

$1,104

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 11/3

10:05 am-10:55 am

2 stops16h 50m

London Gatwick

Sun 11/15

11:55 am-10:40 pm

2 stops18h 45m

$1,134

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 12/21

6:00 am-3:45 pm

2 stops25h 45m

London Gatwick

Fri 12/25

10:00 am-10:43 pm

2 stops20h 43m

$1,197

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 8/24

2:00 pm-2:40 pm

2 stops16h 40m

London Gatwick

Wed 9/2

3:40 pm-5:10 pm

2 stops33h 30m

$1,207

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 1/10

10:05 am-10:55 am

2 stops16h 50m

London Gatwick

Fri 1/15

11:55 am-10:15 pm

2 stops18h 20m

$1,218

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 8/17

12:25 pm-11:45 am

2 stops15h 20m

London Gatwick

Wed 9/2

3:40 pm-5:10 pm

2 stops33h 30m

$1,243

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 12/13

8:05 am-10:55 am

2 stops18h 50m

London Gatwick

Wed 12/30

11:55 am-10:39 pm

2 stops18h 44m

$1,353

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 9/6

11:50 pm-10:25 pm

2 stops38h 35m

London Gatwick

Tue 9/15

7:25 am-8:13 pm

2 stops44h 48m

$1,354

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/14

Showing 1-10 of 22 resultsSorted by cheapest first
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3

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 July.
ProviderPrice AccuracyTrust Score*
OvagoPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice 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 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 >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.

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 Delta fly from Ontario to London Gatwick Airport in about 18h 35m. 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.

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
Dorking
Hounslow
Winchester
Croydon
Gatwick
Wembley
Harrow
Eastleigh
Dartford
Southend-on-Sea
Watford
Chipping Norton
Kingston upon Thames
Eastbourne
Slough
Stansted
Sutton
Luton
Harlow

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