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Gatwick

$276+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$675
(American Airlines)

One-way from

$276
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$814
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 ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This American Airlines deal was found by Cheapflights users on 7/1. 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 8/106:17 amONT - LGW
2 stops17h 33mAmerican Airlines
Sun 8/2410:40 amLGW - ONT
2 stops19h 34mAmerican Airlines
Deal found 7/1$675
This lol.travel deal was found by Cheapflights users on 7/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:31 pmONT - LGW
2 stops36h 24mIberia
Fri 8/298:40 pmLGW - ONT
2 stops34h 08mIberia
Deal found 7/1$914
This Icelandair deal was found by Cheapflights users on 6/30. 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.
Tue 8/122:45 pmONT - LGW
2 stops15h 55mMultiple Airlines
Tue 8/191:00 pmLGW - ONT
2 stops17h 05mMultiple Airlines
Deal found 6/30$986
This The Travel House deal was found by Cheapflights users on 7/2. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/317:05 amONT - LGW
2 stops18h 55mKLM
Sun 9/712:00 pmLGW - ONT
2 stops39h 11mKLM
Deal found 7/2$1,079
This Delta deal was found by Cheapflights users on 7/2. 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.
Wed 7/97:05 amONT - LGW
2 stops18h 55mDelta
Wed 7/1612:00 pmLGW - ONT
2 stops19h 42mDelta
Deal found 7/2$1,282

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 July 2, 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

Sun 8/10

6:17 am-7:50 am

2 stops17h 33m

London Gatwick

Sun 8/24

10:40 am-10:14 pm

2 stops19h 34m

$675

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 8/14

2:31 pm-10:55 am

2 stops36h 24m

London Gatwick

Fri 8/29

8:40 pm-10:48 pm

2 stops34h 08m

$914

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 8/12

2:45 pm-2:40 pm

2 stops15h 55m

London Gatwick

Tue 8/19

1:00 pm-10:05 pm

2 stops17h 05m

$986

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 8/31

7:05 am-10:00 am

2 stops18h 55m

London Gatwick

Sun 9/7

12:00 pm-7:11 pm

2 stops39h 11m

$1,079

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 7/9

7:05 am-10:00 am

2 stops18h 55m

London Gatwick

Wed 7/16

12:00 pm-11:42 pm

2 stops19h 42m

$1,282

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 8/14

8:09 pm-6:20 am

2 stops26h 11m

$276

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 9/1

7:05 am-10:00 am

2 stops18h 55m

$403

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 9/21

2:30 pm-8:00 pm

2 stops21h 30m

$417

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 9/4

7:05 am-10:00 am

2 stops18h 55m

$453

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sat 8/30

4:54 pm-8:10 am

2 stops55h 16m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 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 $568). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $764). 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.

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 July 2, 2025.
Peruse reviews from past customers who have flown with Delta, KLM, and Air France from Ontario to London Gatwick Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
1,366 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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.
Air France
7.5
Good
1,472 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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
514 reviews
Delta
8.0
Very good
7,983 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

7.9

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?

    American Airlines, at $675, was found to be the cheapest airline from Ontario to London Gatwick Airport.Alternate airlines to your destination round-trip include Iberia and KLM.

  • 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 Iberia and KLM, with prices starting from $417 and $453, 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 $568). Flying from Ontario to London Gatwick Airport in June is currently the most expensive (average of $764). 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
Hounslow
Hayes
Thornton Heath
Canterbury
Harrow
Dover
Gatwick
Orpington
Watford
Croydon
Folkestone
Borehamwood
Aylesbury
Chelmsford
Brentwood
Chichester
Arundel
Milton Keynes
Bishop's Stortford
Dartford

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