What are the cheapest airlines flying from Ontario to London Gatwick Airport round-trip?

According to our current data, American Airlines (£567), Delta (£847), and Iberia (£1,661) offers the cheapest pricing from Ontario to London Gatwick Airport.

What are the cheapest airlines to fly from Ontario to London Gatwick Airport one-way?

The cheapet airlines for a one-way flight from Ontario to London Gatwick Airport are KLM (£394), Finnair (£439), and Iberia (£441).

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

Travelers have found it’s best to book a flight 56 days in advance to save up to 9% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 56 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Ontario to London Gatwick Airport 1-2 weeks in advance for as low as £556, or £741 for flights within the next 24 hours.

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

The best pricing can be found in the month of October. Prices to London Gatwick Airport from Ontario average £577. You can even find prices in October for less than £577, as users have found deals to London Gatwick Airport from as low as £340. The month of June appears to be one of the more expensive times to travel to London Gatwick Airport from Ontario. Flying in the targeted month can save you up to 30%.

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

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

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

Most people fly from Ontario (ONT) if they book a flight from Ontario to London Gatwick. On average, Ontario has 0 outbound flights to London Gatwick per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

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 holiday 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.

£271+ Flights from Ontario to London Gatwick Airport

Cheap flight deals from Ontario to Gatwick

Round-trip from	£567
One-way from	£271
Popular in	June
Cheapest in	October
Average price	£521

American Airlines
2/5-14/5
4 total stops
36h 33m total
Ontario to London

Search Deals

27/3
1 total stop
16h 51m total
Ontario to London

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£75 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 22 March 2025.

Wed 14/523:59ONT - LGW

2 stops24h 11mMultiple Airlines

Thu 19/615:05LGW - ONT

2 stops30h 45mMultiple Airlines

Deal found 21/3£516

Fri 2/507:00ONT - LGW

2 stops17h 10mAmerican Airlines

Wed 14/512:20LGW - ONT

2 stops19h 23mAmerican Airlines

Deal found 21/3£567

Mon 5/512:45ONT - LGW

2 stops23h 15mIberia

Mon 12/520:40LGW - ONT

2 stops35h 03mIberia

Deal found 21/3£794

Thu 29/507:05ONT - LGW

2 stops18h 55mDelta

Sat 7/612:00LGW - ONT

2 stops19h 08mDelta

Deal found 21/3£847

Sun 23/323:59ONT - LGW

2 stops26h 01mFinnair

Sun 30/312:20LGW - ONT

2 stops19h 34mFinnair

Deal found 21/3£1,006

Tue 25/310:57ONT - LGW

2 stops24h 53mBritish Airways

Mon 5/511:45LGW - ONT

2 stops19h 58mBritish Airways

Deal found 21/3£1,466

Best flights from Ontario to Gatwick
Discover carefully curated flight deals from Ontario to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 22 March 2025.

Fri 2/507:00ONT - LGW

2 stops17h 10mAmerican Airlines

Wed 14/512:20LGW - ONT

2 stops19h 23mAmerican Airlines

Deal found 21/3£567

Fri 2/522:17ONT - LGW

1 stop29h 38mMultiple Airlines

Wed 14/510:55LGW - ONT

2 stops21h 03mMultiple Airlines

Deal found 21/3£846

Thu 29/507:05ONT - LGW

2 stops18h 55mDelta

Sat 7/612:00LGW - ONT

2 stops19h 08mDelta

Deal found 21/3£847

Fri 4/414:44ONT - LGW

2 stops21h 16mIberia

Sun 6/711:35LGW - ONT

2 stops19h 28mIberia

Deal found 21/3£1,661

Last-minute flights from Ontario to Gatwick
Discover last-minute flight deals from Ontario to Gatwick. Data last updated 22 March 2025 and is based on user searches.

Sun 23/323:59ONT - LGW

2 stops26h 01mFinnair

Sun 30/312:20LGW - ONT

2 stops19h 34mFinnair

Deal found 21/3£1,006

Sun 23/311:33ONT - LGW

2 stops16h 22mMultiple Airlines

Thu 27/311:55LGW - ONT

2 stops19h 04mMultiple Airlines

Deal found 21/3£1,921

Sun 23/319:35ONT - LGW

2 stops52h 50mAmerican Airlines

Fri 28/311:20LGW - ONT

2 stops33h 43mAmerican Airlines

Deal found 21/3£2,625

Tue 25/310:57ONT - LGW

2 stops24h 53mBritish Airways

Mon 5/511:45LGW - ONT

2 stops19h 58mBritish Airways

Deal found 21/3£1,466

Fri 4/414:44ONT - LGW

2 stops21h 16mIberia

Sun 6/711:35LGW - ONT

2 stops19h 28mIberia

Deal found 21/3£1,661

One-way flights from Ontario to Gatwick
Search for one-way flight options from Ontario to Gatwick. Find affordable one-way fares based on user searches. Data last updated 22 March 2025.

Thu 27/310:44ONT - LGW

1 stop16h 51mMultiple Airlines

Deal found 20/3£271

Mon 14/707:00ONT - LGW

2 stops19h 00mKLM

Deal found 21/3£394

Fri 18/406:00ONT - LGW

2 stops20h 40mFinnair

Deal found 21/3£439

Mon 31/314:54ONT - LGW

2 stops21h 06mIberia

Deal found 21/3£441

Thu 27/307:00ONT - LGW

2 stops19h 00mBritish Airways

Deal found 20/3£485

Tue 10/607:00ONT - LGW

2 stops19h 00mDelta

Deal found 21/3£1,895

Cheapflights Fare Finder

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

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 2/5

07:00-08:10

2 stops17h 10m

London Gatwick

Wed 14/5

12:20-23:43

2 stops19h 23m

£567

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 2/5

22:17-11:55

1 stop29h 38m

London Gatwick

Wed 14/5

10:55-23:58

2 stops21h 03m

£846

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 29/5

07:05-10:00

2 stops18h 55m

London Gatwick

Sat 7/6

12:00-23:08

2 stops19h 08m

£847

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 4/4

14:44-20:00

2 stops21h 16m

London Gatwick

Sun 6/7

11:35-23:03

2 stops19h 28m

£1,661

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 27/3

10:44-10:35

1 stop16h 51m

£271

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 14/7

07:00-10:00

2 stops19h 00m

£394

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 18/4

06:00-10:40

2 stops20h 40m

£439

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 31/3

14:54-20:00

2 stops21h 06m

£441

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 27/3

07:00-09:00

2 stops19h 00m

£485

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 10/6

07:00-10:00

2 stops19h 00m

£1,895

Flights are sorted by cheapest return flights first.

Deals found on 20/3

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 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 Ontario to London Gatwick Airport

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

Currently, February is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of £102). Flying from Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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.

Rainfall in Gatwick by month

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

Temperature in Gatwick by month

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Gatwick

Delta

8.0

Very Good

7,892 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,892 reviews

Delta

8.0

Very Good

7,892 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,319 reviews

Delta

8.0

Very Good

7,892 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,266 reviews

Delta

8.0

Very Good

7,892 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,892 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Iberia

7.0

Good

2,642 reviews

Delta

8.0

Very Good

7,892 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What airport do you fly from for flights from Ontario to London Gatwick?
Most people fly from Ontario (ONT) if they book a flight from Ontario to London Gatwick. On average, Ontario has 0 outbound flights to London Gatwick per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.
What are the cheapest airlines flying from Ontario to London Gatwick Airport round-trip?
According to our current data, American Airlines (£567), Delta (£847), and Iberia (£1,661) offers the cheapest pricing from Ontario to London Gatwick Airport.
What are the cheapest airlines to fly from Ontario to London Gatwick Airport one-way?
The cheapet airlines for a one-way flight from Ontario to London Gatwick Airport are KLM (£394), Finnair (£439), and Iberia (£441).
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 holiday 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, February is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of £102). Flying from Ontario to London Gatwick Airport in July is currently the most expensive (average of £142). 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

Hounslow

Deal

Milton Keynes

Gatwick

Croydon

Slough

Luton

Eastbourne

Ilford

Hayes

Crawley

Southend-on-Sea

Wembley

Maidstone

Winchester

Ipswich

Watford

Southall

Dartford

Folkestone

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

Cheapflights makes it easy to find Ontario to Gatwick 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 Ontario to Gatwick?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Gatwick.

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

Certainly. Search results for flights to Gatwick from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Ontario to Gatwick 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 Ontario to London Gatwick Airport from £271

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 27/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ontario to Gatwick

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Ontario to Gatwick

Cheapest flights from Ontario to GatwickExplore 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 22 March 2025.

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 22 March 2025.

Cheapflights Fare Finder

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

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.

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?

Rainfall in Gatwick by month

Plan your trip to Gatwick by taking into account the average rainfall totals by month.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals by month.

Reviews of airlines servicing Gatwick

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?

What are the cheapest airlines flying from Ontario to London Gatwick Airport round-trip?

What are the cheapest airlines to fly from Ontario to London Gatwick Airport one-way?

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

How can I find direct flights from Ontario to Gatwick?

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

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

Travelling to a place near 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 Ontario to Gatwick

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 Ontario to Gatwick?

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

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

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

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Travel Smart

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 22 March 2025.