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

Departing from London Gatwick Airport to Ontario will take you 18h 58m. Airlines will cover a distance of 5430 mi. This flight may include one or multiple stops.

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).

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.

£313+ Cheap Flights from London Gatwick Airport to Ontario

Cheap flight deals from Gatwick to Ontario

Enter your travel dates to find the best prices.

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Best

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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 4 November 2026.

Tue 1/1210:00 -

2 stops18h 58m

Tue 8/1212:20 -

2 stops19h 25m

Deal found 2/11£623

Thu 26/1111:00 -

2 stops31h 45m

Thu 3/1206:00 -

3 stops22h 55m

Deal found 3/11£641

Wed 9/1219:40 -

2 stops36h 08m

Fri 29/110:38 -

2 stops24h 22m

Deal found 1/11£650

Sun 22/1109:40 -

2 stops33h 05m

Wed 25/1106:45 -

3 stops23h 45m

Deal found 1/11£652

Sat 12/1211:35 -

2 stops44h 13m

Thu 28/112:45 -

2 stops46h 15m

Deal found 1/11£658

Wed 25/1109:50 -

2 stops32h 55m

Mon 14/1211:00 -

2 stops34h 50m

Deal found 2/11£670

Wed 11/1109:50 -

2 stops22h 01m

Thu 31/1206:30 -

2 stops20h 25m

Deal found 4/11£684

Mon 23/1108:35 -

3 stops35h 04m

Wed 25/1108:15 -

3 stops25h 35m

Deal found 4/11£705

Thu 26/1110:25 -

3 stops28h 55m

Mon 30/1106:00 -

2 stops25h 00m

Deal found 1/11£709

Fri 4/1210:00 -

2 stops19h 55m

Mon 7/1207:05 -

2 stops17h 55m

Deal found 3/11£719

Sun 22/1111:55 -

2 stops18h 50m

Tue 23/313:50 -

2 stops16h 50m

Deal found 2/11£727

Find flight deals from Gatwick to Ontario

Round-trip from	£537
One-way from	£313
Popular in	December
Cheapest in	February
Average price	£495

Air France
29/1-1/2
4 total stops
38h 30m total
London to Ontario

Search Deals

8/1-31/12
3 total stops
51h 30m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£7 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£5 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Tue 1/12

10:00-20:58

2 stops18h 58m

Ontario

Tue 8/12

12:20-15:45

2 stops19h 25m

£623

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 9/12

19:40-09:42

2 stops22h 02m

Ontario

Sat 30/1

14:23-19:00

2 stops44h 37m

£650

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Sat 12/12

11:35-23:48

2 stops44h 13m

Ontario

Tue 26/1

14:23-19:00

2 stops44h 37m

£658

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Sat 12/12

11:35-23:48

2 stops44h 13m

Ontario

Thu 28/1

12:45-19:00

2 stops46h 15m

£658

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Mon 23/11

11:55-22:45

2 stops18h 50m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£692

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Mon 16/11

11:40-09:40

2 stops30h 00m

Ontario

Sat 21/11

14:01-09:45

2 stops35h 44m

£808

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Fri 30/4

15:40-22:39

2 stops38h 59m

Ontario

Fri 7/5

12:00-14:40

2 stops18h 40m

£822

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Sun 2/5

15:40-22:15

2 stops38h 35m

Ontario

Sun 9/5

12:00-14:40

2 stops18h 40m

£851

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Thu 10/12

06:30-22:59

2 stops24h 29m

Ontario

Wed 31/12

00:00-09:00

Nonstop0h 00m

£890

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Mon 23/11

06:30-11:11

2 stops36h 41m

Ontario

Wed 10/3

12:00-22:35

2 stops26h 35m

£1,048

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 23 resultsSorted by cheapest first

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.

LGW-ONT

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.

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.
How long is the flight from London Gatwick Airport to Ontario?
Departing from London Gatwick Airport to Ontario will take you 18h 58m. Airlines will cover a distance of 5430 mi. This flight may include one or multiple stops.
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.

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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 £313

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap 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 4 November 2026.

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 4 November 2026.

Best flights from Gatwick to OntarioDiscover 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 4 November 2026.

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 4 November 2026.

Last-minute flights from Gatwick to OntarioDiscover last-minute flight deals from Gatwick to Ontario. Data last updated 4 November 2026 and is based on user searches.

Discover last-minute flight deals from Gatwick to Ontario. Data last updated 4 November 2026 and is based on user searches.

One-way flights from Gatwick to OntarioSearch for one-way flight options from Gatwick to Ontario. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.

Search for one-way flight options from Gatwick to Ontario. Find affordable one-way fares based on user searches. Data last updated 4 November 2026.

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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.

Related info for your journey

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

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

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?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Gatwick to Ontario

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Complete your trip

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Other flights to Ontario

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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 4 November 2026.

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 4 November 2026.

Last-minute flights from Gatwick to Ontario
Discover last-minute flight deals from Gatwick to Ontario. Data last updated 4 November 2026 and is based on user searches.

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 4 November 2026.