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$448+ Cheap flights from Gatwick (LGW) to Ontario (ONT)

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 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ONT
ene. 11 — ene. 181
dom. 1/11
dom. 1/18
1 adult, Economy
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Cheap flight deals from Gatwick to Ontario

Cheapest flights from Gatwick to Ontario
Explore the most affordable flight options available from Gatwick to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

This Icelandair deal was found by Cheapflights users on 12/11. 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.
dom. 12/1411:55 amLGW - ONT
2 stops20h 10mMultiple Airlines
mié. 4/156:00 amONT - LGW
2 stops24h 40mMultiple Airlines
Deal found 12/11$1,740
This Icelandair deal was found by Cheapflights users on 12/11. 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.
jue. 12/1111:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
mar. 12/167:10 amONT - LGW
2 stops19h 45mMultiple Airlines
Deal found 12/11$1,967
This Icelandair deal was found by Cheapflights users on 12/10. 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.
lun. 12/1511:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
vie. 1/98:55 amONT - LGW
2 stops18h 00mMultiple Airlines
Deal found 12/10$2,038
This Icelandair deal was found by Cheapflights users on 12/10. 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.
mié. 12/2411:55 amLGW - ONT
2 stops20h 19mMultiple Airlines
dom. 12/289:30 amONT - LGW
2 stops17h 25mMultiple Airlines
Deal found 12/10$2,342
This Expedia deal was found by Cheapflights users on 12/9. 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.
lun. 12/157:40 pmLGW - ONT
2 stops26h 15mMultiple Airlines
jue. 1/87:16 amONT - LGW
2 stops19h 34mMultiple Airlines
Deal found 12/9$2,350
This Expedia deal was found by Cheapflights users on 12/10. 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.
dom. 12/1411:55 amLGW - ONT
2 stops19h 34mMultiple Airlines
sáb. 1/107:16 amONT - LGW
2 stops19h 34mMultiple Airlines
Deal found 12/10$2,351
This Expedia deal was found by Cheapflights users on 12/9. 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.
sáb. 12/137:40 pmLGW - ONT
2 stops30h 38mMultiple Airlines
jue. 1/87:16 amONT - LGW
2 stops19h 34mMultiple Airlines
Deal found 12/9$2,406
This Icelandair deal was found by Cheapflights users on 12/10. 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.
lun. 12/2211:55 amLGW - ONT
2 stops20h 10mMultiple Airlines
lun. 12/2910:44 amONT - LGW
2 stops16h 11mMultiple Airlines
Deal found 12/10$2,621
This TravelUp deal was found by Cheapflights users on 12/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/247:40 pmLGW - ONT
2 stops30h 38mBritish Airways
mié. 12/3110:47 amONT - LGW
2 stops24h 13mBritish Airways
Deal found 12/10$2,672
This Icelandair deal was found by Cheapflights users on 12/10. 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.
mar. 12/2311:55 amLGW - ONT
2 stops20h 10mMultiple Airlines
sáb. 1/37:00 amONT - LGW
2 stops19h 55mMultiple Airlines
Deal found 12/10$3,171

Find flight deals from Gatwick to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Gatwick (LGW) to Ontario (ONT). 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 diciembre 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$1,359
(Icelandair)

One-way from

$448
(Trip.com)

Popular in

July

Cheapest in

September

Average price

$782
Provider with most accurate pricing for London Gatwick-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Gatwick-Ontario flights.
Search Deals
From London Gatwick to Ontario
Search Deals
One-way flight from London Gatwick to Ontario
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($88 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Gatwick to Ontario 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 diciembre 12, 2025.
Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Gatwick

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LGW - ONT

LGWONT

London Gatwick

lun. 1/12

11:55 am-11:56 pm

2 stops20h 01m

Ontario

dom. 1/25

6:00 am-10:55 am

2 stops20h 55m

$1,359

LondonOntario

LGW - ONT

LGWONT

London Gatwick

mié. 1/7

7:40 pm-2:18 pm

2 stops26h 38m

Ontario

mié. 1/28

10:58 am-7:00 pm

2 stops24h 02m

$1,708

LondonOntario

LGW - ONT

LGWONT

London Gatwick

mié. 12/24

11:55 am-12:14 am

2 stops20h 19m

Ontario

dom. 12/28

9:30 am-10:55 am

2 stops17h 25m

$2,342

LondonOntario

LGW - ONT

LGWONT

London Gatwick

lun. 12/22

11:55 am-12:05 am

2 stops20h 10m

Ontario

lun. 12/29

10:44 am-10:55 am

2 stops16h 11m

$2,621

LondonOntario

LGW - ONT

LGWONT

London Gatwick

mié. 12/24

7:40 pm-6:18 pm

2 stops30h 38m

Ontario

mié. 12/31

10:47 am-7:00 pm

2 stops24h 13m

$2,672

LondonOntario

LGW - ONT

LGWONT

London Gatwick

mié. 6/10

11:35 am-11:32 pm

2 stops19h 57m

Ontario

mié. 7/1

2:57 pm-8:00 pm

2 stops21h 03m

$2,980

LondonOntario

LGW - ONT

LGWONT

London Gatwick

mar. 12/23

11:55 am-12:05 am

2 stops20h 10m

Ontario

sáb. 1/3

7:00 am-10:55 am

2 stops19h 55m

$3,171

LondonOntario

LGW - ONT

LGWONT

London Gatwick

mar. 1/13

11:55 am-9:45 pm

2 stops17h 50m

Ontario

vie. 1/16

9:45 am-10:55 am

2 stops17h 10m

$3,753

LondonOntario

LGW - ONT

LGWONT

London Gatwick

jue. 4/30

11:35 am-11:40 pm

2 stops20h 05m

Ontario

lun. 5/18

3:05 pm-8:00 pm

2 stops20h 55m

$11,677

LondonOntario

LGW - ONT

LGWONT

London Gatwick

jue. 4/30

11:35 am-11:40 pm

2 stops20h 05m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 18 results
1
2
  • Most accurate provider: When it comes to deals on London Gatwick Airport-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Gatwick Airport-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Gatwick Airport-Ontario flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Gatwick Airport-Ontario 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 London Gatwick Airport-Ontario 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 Gatwick to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Gatwick 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 London Gatwick Airport to Ontario

What is the cheapest month to book a flight from London Gatwick Airport to Ontario?

Currently, September is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of $320). Flying from London Gatwick Airport to Ontario in December is currently the most expensive (average of $624). 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 Gatwick to Ontario. 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 into for flights to Ontario from London Gatwick?

    Ontario (ONT), located 3.1 mi from the city center, is the airport you fly into when you book flights from London Gatwick to Ontario. 0 airlines have flights to Ontario from London Gatwick on a regular basis. Booking flights from London Gatwick to Ontario should not be difficult; the airport handles an average of 0 inbound flights from London Gatwick per day.

  • How long is the flight from London Gatwick Airport to Ontario?

    Airlines like Iberia fly from London Gatwick Airport to Ontario in about 26h 38m. The time it takes to get you to your destination can typically vary by up to . London Gatwick Airport and Ontario are separated by a distance of 5430 mi.

  • Can I find deals for flights from Gatwick to Ontario that include hotel bookings?

    Yes. In addition to deals on Gatwick to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gatwick to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gatwick to Ontario.

  • Can I find deals for business class flights from Gatwick to Ontario?

    Yes. Cheapflights offers flight deals from Gatwick to Ontario 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 London Gatwick Airport to Ontario?

    Currently, September is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of $320). Flying from London Gatwick Airport to Ontario in December is currently the most expensive (average of $624). 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

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