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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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
LGW — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap 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 February 20, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
1 star

Round-trip from

$742
(Expedia)

One-way from

$448
(Kiwi.com)

Popular in

August

Cheapest in

September

Average price

$588
Provider with most accurate pricing for London Gatwick-Ontario flight deals.
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Provider most trusted by Cheapflights users for London Gatwick-Ontario flights.
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From London Gatwick to Ontario
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One-way flight from London Gatwick to Ontario
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Highest demand for flights based on searches. 9% potential increase in price ($69 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This Expedia deal was found by Cheapflights users on 2/20. 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.
Fri 4/2511:45 amLGW - ONT
2 stops20h 05mIberia
Wed 4/3012:50 pmONT - LGW
2 stops23h 10mIberia
Deal found 2/20$742
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/2012:00 pmLGW - ONT
1 stop26h 26mMultiple Airlines
Wed 3/2612:59 amONT - LGW
2 stops26h 01mMultiple Airlines
Deal found 2/19$786
This American Airlines deal was found by Cheapflights users on 2/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2210:25 amLGW - ONT
2 stops19h 10mAmerican Airlines
Tue 7/296:32 amONT - LGW
2 stops17h 38mAmerican Airlines
Deal found 2/19$1,025
This TravelUp deal was found by Cheapflights users on 2/19. 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.
Mon 7/712:00 pmLGW - ONT
2 stops39h 29mKLM
Mon 7/2810:59 pmONT - LGW
2 stops27h 01mKLM
Deal found 2/19$2,170

Find flights from Gatwick to Ontario within your budget

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 February 20, 2025.

Fly from

Gatwick

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 4/25

11:45 am-11:50 pm

2 stops20h 05m

Ontario

Wed 4/30

12:50 pm-8:00 pm

2 stops23h 10m

$742

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 3/20

12:00 pm-7:26 am

1 stop26h 26m

Ontario

Wed 3/26

12:59 am-10:00 am

2 stops26h 01m

$786

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 7/22

10:25 am-9:35 pm

2 stops19h 10m

Ontario

Tue 7/29

6:32 am-8:10 am

2 stops17h 38m

$1,025

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 7/7

12:00 pm-7:29 pm

2 stops39h 29m

Ontario

Mon 7/28

10:59 pm-10:00 am

2 stops27h 01m

$2,170

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sun 3/16

12:00 pm-7:26 am

1 stop26h 26m

$448

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 4/30

7:10 am-11:50 pm

2 stops24h 40m

$1,075

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 5/30

12:00 pm-11:45 pm

2 stops19h 45m

$1,619

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 2/27

11:00 am-11:53 pm

2 stops20h 53m

$2,895

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

  • Most accurate provider: When it comes to deals on London Gatwick Airport-Ontario flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on London Gatwick Airport-Ontario flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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.

Travel insights for flights from Gatwick to Ontario

Get recent, data-driven insights about flights from Gatwick to Ontario including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of $246). Flying from London Gatwick Airport to Ontario in March is currently the most expensive (average of $315). 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 Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

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 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated February 20, 2025.
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,220 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Iberia
7.0
Good
2,639 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

British Airways
6.6
Okay
6,763 reviews
Delta
8.0
Very good
8,220 reviews

Crew

8.5

Boarding

8.2

Comfort

8.0

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 20

10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

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

    Cheapflights users have booked flights from London Gatwick Airport to Ontario round-trip from $742. Other airlines that can offer you cheap pricing are American Airlines, from $1,025, and KLM, from $2,170.

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

    The cheapest airlines for a one-way flight from London Gatwick Airport to Ontario are Iberia ($1,075), Delta ($1,619), and British Airways ($2,895).

  • 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, August is the cheapest month in which you can book a flight from London Gatwick Airport to Ontario (average of $246). Flying from London Gatwick Airport to Ontario in March is currently the most expensive (average of $315). 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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