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Gatwick

$290+ Cheap flights from Ontario (ONT) to Gatwick (LGW)

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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Ontario to Gatwick

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

Round-trip from

$812
(Orbitz)

One-way from

$347
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$836
From Ontario to London Gatwick
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One-way flight from Ontario to London Gatwick
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Highest demand for flights based on searches. 9% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 12, 2025.

This Orbitz deal was found by Cheapflights users on 6/12. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2012:47 pmONT - LGW
2 stops38h 03mIberia
Wed 9/108:40 pmLGW - ONT
2 stops35h 37mIberia
Deal found 6/12$812
This Air France deal was found by Cheapflights users on 6/12. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/297:05 amONT - LGW
2 stops18h 55mKLM
Sat 9/612:00 pmLGW - ONT
2 stops39h 11mKLM
Deal found 6/12$826
This Icelandair deal was found by Cheapflights users on 6/11. 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.
Wed 8/1312:00 pmONT - LGW
2 stops15h 45mMultiple Airlines
Tue 9/21:00 pmLGW - ONT
2 stops17h 05mMultiple Airlines
Deal found 6/11$984
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/157:05 amONT - LGW
2 stops18h 55mDelta
Wed 7/3012:00 pmLGW - ONT
2 stops19h 42mDelta
Deal found 6/11$1,033
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sun 7/2711:59 pmONT - LGW
2 stops22h 36mAmerican Airlines
Sun 8/310:40 amLGW - ONT
2 stops20h 17mAmerican Airlines
Deal found 6/12$1,143

Cheapflights Fare Finder

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

Fly from

Ontario

Fly to

Gatwick

Route

Depart

Return

Price

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 8/20

12:47 pm-10:50 am

2 stops38h 03m

London Gatwick

Wed 9/10

8:40 pm-12:17 am

2 stops35h 37m

$812

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 8/29

7:05 am-10:00 am

2 stops18h 55m

London Gatwick

Sat 9/6

12:00 pm-7:11 pm

2 stops39h 11m

$826

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 8/13

12:00 pm-11:45 am

2 stops15h 45m

London Gatwick

Tue 9/2

1:00 pm-10:05 pm

2 stops17h 05m

$984

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 7/15

7:05 am-10:00 am

2 stops18h 55m

London Gatwick

Wed 7/30

12:00 pm-11:42 pm

2 stops19h 42m

$1,033

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 7/27

11:59 pm-6:35 am

2 stops22h 36m

London Gatwick

Sun 8/3

10:40 am-10:57 pm

2 stops20h 17m

$1,143

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 9/24

3:04 pm-6:20 am

2 stops31h 16m

$290

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 7/22

6:25 am-10:00 am

2 stops19h 35m

$403

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 7/24

12:59 am-6:35 am

2 stops21h 36m

$454

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 9/4

10:55 am-8:00 pm

2 stops25h 05m

$466

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 7/6

7:05 am-10:00 am

2 stops18h 55m

$491

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
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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 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 Ontario to London Gatwick Airport

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

Currently, January is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $569). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $777). 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

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

In terms of precipitation, rainfall in London Gatwick Airport ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London Gatwick Airport when rainfall is around 1.6 in.

Temperature in Gatwick by month

Plan your trip to Gatwick by taking into account the average temperature totals 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing Gatwick

Get insights into the airlines that provide service to Gatwick. 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 Gatwick. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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.
Icelandair
7.0
Good
499 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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
2,776 reviews
Delta
8.0
Very good
7,950 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Overall

8.0

Entertainment

7.9

Crew

8.5

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

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?

    For a flight from Ontario to London Gatwick, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city. Ontario is the only Ontario airport and it handles 0 outbound flights to London Gatwick per day. 0 airlines have flights to London Gatwick from Ontario on a regular basis.

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

    Iberia, at $812, was found to be the cheapest airline from Ontario to London Gatwick Airport.Alternate airlines to your destination round-trip include KLM and Delta.

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

    $403 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Iberia, with prices starting from $454 and $511, respectively.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $569). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $777). 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

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Sutton
Aylesbury
Chelmsford
Brentwood
Chichester
Wembley
Arundel

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