What is the cheapest day to fly from London Gatwick Airport to Ontario?

Travellers seeking maximum savings on their London Gatwick Airport to Ontario flight should consider departing on Saturday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

How far in advance should I book a flight from London Gatwick Airport to Ontario?

Users have found that booking a flight from London Gatwick Airport to Ontario at least 56 days early can save you up to 37% on average compared to booking a flight this week. If booking 56 days before your flight isn’t an option for you, users have found flights from London Gatwick Airport to Ontario for as little as £431 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £673 for flights departing within the next 3 days.

What is the cheapest month to fly from London Gatwick Airport to Ontario?

Our data shows that September tends to be the cheapest month to fly to Ontario from London Gatwick Airport. Users have commonly found prices around £484 for the month, but tickets can be as low as £307. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from LGW to ONT?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Gatwick Airport to Ontario as you normally would.

What airport do you fly into for flights to Ontario from London Gatwick?

Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from London Gatwick. Booking flights from London Gatwick to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from London Gatwick from 0 different airlines.

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 holiday 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.

£303+ Flights from London Gatwick Airport to Ontario

Cheap flight deals from Gatwick to Ontario

Round-trip from	£418
One-way from	£303
Popular in	December
Cheapest in	September
Average price	£577

American Airlines
11/9-24/9
4 total stops
46h 50m total
London to Ontario

Search Deals

3/9
2 total stops
29h 33m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

Find 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 13 August 2025.

Thu 11/915:05LGW - ONT

2 stops28h 50mAmerican Airlines

Wed 24/906:10ONT - LGW

2 stops18h 00mAmerican Airlines

Deal found 12/8£418

Sat 13/920:40LGW - ONT

2 stops35h 19mIberia

Sun 28/914:30ONT - LGW

2 stops21h 30mIberia

Deal found 12/8£450

Thu 25/920:40LGW - ONT

2 stops54h 14mIberia

Thu 2/1014:30ONT - LGW

2 stops36h 25mIberia

Deal found 11/8£503

Wed 3/907:10LGW - ONT

2 stops23h 23mIberia

Mon 15/914:54ONT - LGW

2 stops21h 06mIberia

Deal found 12/8£639

Fri 17/1015:05LGW - ONT

2 stops30h 38mMultiple Airlines

Mon 20/1006:10ONT - LGW

2 stops18h 00mMultiple Airlines

Deal found 12/8£653

Mon 3/1111:55LGW - ONT

2 stops19h 37mMultiple Airlines

Thu 6/1106:00ONT - LGW

2 stops20h 55mMultiple Airlines

Deal found 13/8£669

Wed 10/915:35LGW - ONT

2 stops27h 09mMultiple Airlines

Wed 17/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 13/8£691

Mon 8/915:40LGW - ONT

2 stops27h 04mMultiple Airlines

Mon 15/915:06ONT - LGW

2 stops15h 29mMultiple Airlines

Deal found 11/8£725

Mon 1/1211:55LGW - ONT

2 stops30h 44mMultiple Airlines

Fri 5/1206:00ONT - LGW

2 stops20h 55mMultiple Airlines

Deal found 11/8£727

Sat 22/1111:55LGW - ONT

2 stops20h 04mMultiple Airlines

Mon 24/1106:00ONT - LGW

2 stops20h 55mMultiple Airlines

Deal found 12/8£740

Thu 4/913:00LGW - ONT

2 stops18h 54mMultiple Airlines

Sat 13/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 11/8£782

Fri 10/1015:40LGW - ONT

2 stops40h 23mMultiple Airlines

Wed 22/1006:00ONT - LGW

2 stops24h 40mMultiple Airlines

Deal found 11/8£819

Best flights from Gatwick to Ontario
Discover carefully curated flight deals from Gatwick to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 August 2025.

Thu 11/915:05LGW - ONT

2 stops28h 50mAmerican Airlines

Wed 24/906:10ONT - LGW

2 stops18h 00mAmerican Airlines

Deal found 12/8£418

Sat 13/920:40LGW - ONT

2 stops35h 19mIberia

Sun 28/914:30ONT - LGW

2 stops21h 30mIberia

Deal found 12/8£450

Fri 17/1015:05LGW - ONT

2 stops30h 38mMultiple Airlines

Mon 20/1006:10ONT - LGW

2 stops18h 00mMultiple Airlines

Deal found 12/8£653

Thu 25/920:40LGW - ONT

2 stops54h 14mIberia

Thu 2/1014:30ONT - LGW

2 stops36h 25mIberia

Deal found 11/8£503

Mon 3/1111:55LGW - ONT

2 stops19h 37mMultiple Airlines

Thu 6/1106:00ONT - LGW

2 stops20h 55mMultiple Airlines

Deal found 13/8£669

Wed 3/907:10LGW - ONT

2 stops23h 23mIberia

Mon 15/914:54ONT - LGW

2 stops21h 06mIberia

Deal found 12/8£639

Wed 10/915:35LGW - ONT

2 stops27h 09mMultiple Airlines

Wed 17/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 13/8£691

Mon 8/915:40LGW - ONT

2 stops27h 04mMultiple Airlines

Mon 15/915:06ONT - LGW

2 stops15h 29mMultiple Airlines

Deal found 11/8£725

Thu 4/913:00LGW - ONT

2 stops18h 54mMultiple Airlines

Sat 13/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 11/8£782

Tue 9/921:45LGW - ONT

2 stops29h 09mIberia

Fri 19/914:54ONT - LGW

2 stops21h 06mIberia

Deal found 11/8£912

Fri 10/1015:40LGW - ONT

2 stops40h 23mMultiple Airlines

Wed 22/1006:00ONT - LGW

2 stops24h 40mMultiple Airlines

Deal found 11/8£819

Fri 5/915:40LGW - ONT

2 stops35h 07mMultiple Airlines

Fri 12/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 13/8£872

Last-minute flights from Gatwick to Ontario
Discover last-minute flight deals from Gatwick to Ontario. Data last updated 13 August 2025 and is based on user searches.

Wed 13/812:00LGW - ONT

2 stops19h 40mVirgin Atlantic

Wed 20/807:05ONT - LGW

2 stops18h 55mVirgin Atlantic

Deal found 12/8£943

Mon 18/811:35LGW - ONT

2 stops19h 13mIberia

Mon 1/914:31ONT - LGW

2 stops21h 29mIberia

Deal found 13/8£2,068

Wed 3/907:10LGW - ONT

2 stops23h 23mIberia

Mon 15/914:54ONT - LGW

2 stops21h 06mIberia

Deal found 12/8£639

Thu 4/913:00LGW - ONT

2 stops18h 54mMultiple Airlines

Sat 13/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 11/8£782

Fri 5/915:40LGW - ONT

2 stops35h 07mMultiple Airlines

Fri 12/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 13/8£872

Mon 8/915:40LGW - ONT

2 stops27h 04mMultiple Airlines

Mon 15/915:06ONT - LGW

2 stops15h 29mMultiple Airlines

Deal found 11/8£725

Tue 9/921:45LGW - ONT

2 stops29h 09mIberia

Fri 19/914:54ONT - LGW

2 stops21h 06mIberia

Deal found 11/8£912

Wed 10/915:35LGW - ONT

2 stops27h 09mMultiple Airlines

Wed 17/915:06ONT - LGW

2 stops15h 34mMultiple Airlines

Deal found 13/8£691

Thu 11/915:05LGW - ONT

2 stops28h 50mAmerican Airlines

Wed 24/906:10ONT - LGW

2 stops18h 00mAmerican Airlines

Deal found 12/8£418

Sat 13/920:40LGW - ONT

2 stops35h 19mIberia

Sun 28/914:30ONT - LGW

2 stops21h 30mIberia

Deal found 12/8£450

Fri 19/915:40LGW - ONT

2 stops51h 04mMultiple Airlines

Fri 31/1016:11ONT - LGW

2 stops35h 44mMultiple Airlines

Deal found 11/8£1,009

Thu 25/920:40LGW - ONT

2 stops54h 14mIberia

Thu 2/1014:30ONT - LGW

2 stops36h 25mIberia

Deal found 11/8£503

One-way flights from Gatwick to Ontario
Search for one-way flight options from Gatwick to Ontario. Find affordable one-way fares based on user searches. Data last updated 13 August 2025.

Wed 3/914:00LGW - ONT

2 stops29h 33mMultiple Airlines

Deal found 11/8£303

Sun 7/914:00LGW - ONT

2 stops29h 28mMultiple Airlines

Deal found 12/8£312

Sat 27/909:50LGW - ONT

2 stops29h 27mMultiple Airlines

Deal found 12/8£327

Tue 9/921:45LGW - ONT

2 stops29h 09mIberia

Deal found 13/8£739

Wed 5/1111:55LGW - ONT

2 stops18h 10mMultiple Airlines

Deal found 11/8£739

Tue 4/1111:55LGW - ONT

2 stops18h 10mMultiple Airlines

Deal found 11/8£740

Mon 3/1111:55LGW - ONT

2 stops18h 10mMultiple Airlines

Deal found 12/8£742

Thu 9/1007:25LGW - ONT

2 stops22h 53mIberia

Deal found 12/8£744

Wed 17/907:10LGW - ONT

2 stops23h 23mIberia

Deal found 12/8£749

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 11/9

15:05-11:55

2 stops28h 50m

Ontario

Wed 24/9

06:10-08:10

2 stops18h 00m

£418

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sat 13/9

20:40-23:59

2 stops35h 19m

Ontario

Sun 28/9

14:30-20:00

2 stops21h 30m

£450

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 25/9

20:40-18:54

2 stops54h 14m

Ontario

Thu 2/10

14:30-10:55

2 stops36h 25m

£503

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 3/9

07:10-22:33

2 stops23h 23m

Ontario

Mon 15/9

14:54-20:00

2 stops21h 06m

£639

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 17/10

15:05-13:43

2 stops30h 38m

Ontario

Mon 20/10

06:10-08:10

2 stops18h 00m

£653

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 3/11

11:55-23:32

2 stops19h 37m

Ontario

Thu 6/11

06:00-10:55

2 stops20h 55m

£669

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 10/9

15:35-10:44

2 stops27h 09m

Ontario

Wed 17/9

15:06-14:40

2 stops15h 34m

£691

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 8/9

15:40-10:44

2 stops27h 04m

Ontario

Mon 15/9

15:06-14:35

2 stops15h 29m

£725

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 4/9

13:00-23:54

2 stops18h 54m

Ontario

Sat 13/9

15:06-14:40

2 stops15h 34m

£782

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 10/10

15:40-00:03

2 stops40h 23m

Ontario

Wed 22/10

06:00-14:40

2 stops24h 40m

£819

Flights are sorted by cheapest return flights first.

Deals found on 11/8

Showing 1-10 of 21 results

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 return 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, March is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of £516). Flying from London Gatwick Airport to Ontario in August is currently the most expensive (average of £827). 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

What airport do you fly into for flights to Ontario from London Gatwick?
Located just 3.1 mi from the city center, Ontario is the airport most travelers will use when flying to Ontario from London Gatwick. Booking flights from London Gatwick to Ontario (ONT) should be relatively easy as there are 0 daily inbound flights from London Gatwick from 0 different airlines.
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 holiday 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, March is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of £516). Flying from London Gatwick Airport to Ontario in August is currently the most expensive (average of £827). 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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How does Cheapflights help users find flights from Gatwick to Ontario?

Cheapflights makes it easy to find Gatwick to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Gatwick to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Gatwick to Ontario with no change fees?

Need flexible booking options for your flight to Ontario from Gatwick? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Gatwick to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Gatwick to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from London Gatwick Airport to Ontario from £303

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Gatwick to Ontario

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Gatwick to Ontario

Cheapest flights from Gatwick to OntarioExplore 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 13 August 2025.

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 13 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Gatwick Airport to Ontario that are best for you.

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.

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?

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?

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

How can I find direct flights from Gatwick to Ontario?

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

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

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 Gatwick to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Gatwick to Ontario?

Why should you use Cheapflights to find cheap flight tickets from Gatwick to Ontario?

Can Cheapflights find flights from Gatwick to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Gatwick to Ontario become cheaper?

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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 13 August 2025.