HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Gatwick

$186+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Gatwick with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 6, 2025.

This Iberia deal was found by Cheapflights users on 11/5. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/296:10 amONT - LGW
2 stops20h 40mIberia
Mon 12/157:40 pmLGW - ONT
2 stops22h 14mIberia
Deal found 11/5$887
This Icelandair deal was found by Cheapflights users on 11/4. 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 11/126:00 amONT - LGW
2 stops20h 55mMultiple Airlines
Wed 11/1911:55 amLGW - ONT
2 stops20h 01mMultiple Airlines
Deal found 11/4$926
This Icelandair deal was found by Cheapflights users on 11/5. 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.
Wed 12/311:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Wed 12/1011:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 11/5$965
This Icelandair deal was found by Cheapflights users on 11/5. 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 11/279:25 amONT - LGW
2 stops17h 30mMultiple Airlines
Thu 12/1111:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
Deal found 11/5$981
This Icelandair deal was found by Cheapflights users on 11/4. 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 12/211:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Tue 12/911:55 amLGW - ONT
2 stops18h 10mMultiple Airlines
Deal found 11/4$1,001
This Icelandair deal was found by Cheapflights users on 11/4. 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 12/211:15 amONT - LGW
2 stops15h 40mMultiple Airlines
Mon 12/1511:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
Deal found 11/4$1,031
This Orbitz deal was found by Cheapflights users on 11/4. 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.
Tue 12/27:00 amONT - LGW
2 stops19h 50mIberia
Mon 12/1511:45 amLGW - ONT
2 stops30h 09mIberia
Deal found 11/4$1,050
This Expedia deal was found by Cheapflights users on 11/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/96:00 amONT - LGW
2 stops20h 55mMultiple Airlines
Mon 11/1711:55 amLGW - ONT
2 stops20h 01mMultiple Airlines
Deal found 11/5$1,078
This Icelandair deal was found by Cheapflights users on 11/4. 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 11/4$1,104
This Icelandair deal was found by Cheapflights users on 11/5. 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.
Wed 11/196:00 amONT - LGW
2 stops20h 55mMultiple Airlines
Wed 11/2611:55 amLGW - ONT
2 stops20h 00mMultiple Airlines
Deal found 11/5$1,113

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 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$887
(Iberia)

One-way from

$186
(Kiwi.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. 12% potential increase in price ($100 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($27 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 6, 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 11/29

6:10 am-10:50 am

2 stops20h 40m

London Gatwick

Mon 12/15

7:40 pm-9:54 am

2 stops22h 14m

$887

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 3/4

7:50 pm-9:00 am

2 stops29h 10m

London Gatwick

Sun 3/8

12:30 pm-5:49 pm

2 stops36h 19m

$897

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 12/3

11:15 am-10:55 am

2 stops15h 40m

London Gatwick

Wed 12/10

11:55 am-10:05 pm

2 stops18h 10m

$965

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 11/27

9:25 am-10:55 am

2 stops17h 30m

London Gatwick

Thu 12/11

11:55 am-11:29 pm

2 stops19h 34m

$981

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 1/14

8:55 am-10:55 am

2 stops18h 00m

London Gatwick

Sun 1/18

11:55 am-11:56 pm

2 stops20h 01m

$995

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 2/17

6:00 am-10:55 am

2 stops20h 55m

London Gatwick

Sun 2/22

11:55 am-11:35 pm

2 stops19h 40m

$996

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 3/4

6:00 am-10:55 am

2 stops20h 55m

London Gatwick

Sun 3/8

11:55 am-10:37 pm

2 stops17h 42m

$1,005

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 11/24

12:58 am-6:00 am

2 stops21h 02m

$333

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 1/13

11:53 am-10:55 am

3 stops39h 02m

$414

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 2/5

7:16 am-10:50 am

2 stops19h 34m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 18 results
1
2

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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-London Gatwick Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 $251). 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 20h 40m. The time it takes to get you to your destination can typically vary by up to 8h 30m. 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 $251). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Heathrow flights
San Francisco to Heathrow flights
Los Angeles to Gatwick flights
Los Angeles to London City flights
San Francisco to Gatwick flights
San Francisco to London City flights
Los Angeles to Stansted flights
Ontario to Heathrow flights
San Diego to Heathrow flights
Santa Ana to Heathrow flights
San Francisco to Stansted flights
Los Angeles to Luton flights
San Francisco to Luton flights
Las Vegas to Heathrow flights
San Jose to Heathrow flights
San Diego to Gatwick flights
Las Vegas to Gatwick flights
Las Vegas to London City flights
San Diego to London City flights
Sacramento to Heathrow flights
Oakland to Heathrow flights
San Diego to Stansted flights
Sacramento to Gatwick flights
San Jose to Gatwick flights
Sacramento to London City flights
Burbank to Heathrow flights
Las Vegas to Stansted flights
Oakland to Gatwick flights
Santa Rosa to Heathrow flights
Palm Springs to Heathrow flights
Santa Ana to Gatwick flights
Las Vegas to Luton flights
Reno to Heathrow flights
San Jose to London City flights
Santa Ana to London City flights
Long Beach to Heathrow flights
Reno to Gatwick flights
Fresno to Heathrow flights
San Francisco to Southend flights
Sacramento to Stansted flights
Palm Springs to Gatwick flights
Burbank to Gatwick flights
Reno to London City flights
Palm Springs to London City flights
San Luis Obispo to Heathrow flights
Burbank to London City flights
Medford to Heathrow flights
Ontario to London City flights
Los Angeles to Southend flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
Cookie settings©2025 Cheapflights