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Gatwick

$297+ 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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LGW
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Ontario to Gatwick

Best flights from Ontario to Gatwick
Discover carefully curated flight deals from Ontario to Gatwick that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

This Icelandair deal was found by Cheapflights users on 12/24. 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 4/156:00 amONT - LGW
2 stops24h 40mMultiple Airlines
Tue 5/51:00 pmLGW - ONT
2 stops17h 32mMultiple Airlines
Deal found 12/24$983
This Iberia deal was found by Cheapflights users on 12/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 amONT - LGW
2 stops21h 50mIberia
Sat 3/1411:45 amLGW - ONT
2 stops33h 12mIberia
Deal found 12/24$1,111
This Icelandair deal was found by Cheapflights users on 12/24. 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.
Thu 3/56:14 amONT - LGW
2 stops20h 41mMultiple Airlines
Thu 3/1211:55 amLGW - ONT
2 stops18h 37mMultiple Airlines
Deal found 12/24$1,009
This Icelandair deal was found by Cheapflights users on 12/23. 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.
Sun 1/188:55 amONT - LGW
2 stops18h 00mMultiple Airlines
Sun 1/2511:55 amLGW - ONT
2 stops18h 25mMultiple Airlines
Deal found 12/23$1,363
This Icelandair deal was found by Cheapflights users on 12/23. 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.
Mon 1/510:50 amONT - LGW
2 stops16h 05mMultiple Airlines
Tue 1/2011:55 amLGW - ONT
2 stops17h 50mMultiple Airlines
Deal found 12/23$1,725
This Icelandair deal was found by Cheapflights users on 12/25. 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.
Fri 1/98:55 amONT - LGW
2 stops18h 00mMultiple Airlines
Sun 1/1811:55 amLGW - ONT
2 stops20h 01mMultiple Airlines
Deal found 12/25$1,818

Find 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 December 26, 2025.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
2 stars

Round-trip from

$958
(Expedia)

One-way from

$297
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,069
Provider with most accurate pricing for Ontario-London Gatwick flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-London Gatwick flights.
Search Deals
From Ontario to London Gatwick
Search Deals
One-way flight from Ontario to London Gatwick
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 26, 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 4/15

6:00 am-2:40 pm

2 stops24h 40m

London Gatwick

Tue 5/5

1:00 pm-10:32 pm

2 stops17h 32m

$983

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 3/5

6:14 am-10:55 am

2 stops20h 41m

London Gatwick

Thu 3/12

11:55 am-11:32 pm

2 stops18h 37m

$1,009

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Tue 3/10

6:00 am-10:50 am

2 stops21h 50m

London Gatwick

Sat 3/14

11:45 am-1:57 pm

2 stops33h 12m

$1,111

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 1/18

8:55 am-10:55 am

2 stops18h 00m

London Gatwick

Sun 1/25

11:55 am-10:20 pm

2 stops18h 25m

$1,363

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 1/5

10:50 am-10:55 am

2 stops16h 05m

London Gatwick

Tue 1/20

11:55 am-9:45 pm

2 stops17h 50m

$1,725

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Fri 1/9

8:55 am-10:55 am

2 stops18h 00m

London Gatwick

Sun 1/18

11:55 am-11:56 pm

2 stops20h 01m

$1,818

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 2/8

6:20 am-10:00 am

3 stops43h 40m

$297

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Wed 5/6

6:00 am-6:20 am

2 stops40h 20m

$355

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Mon 5/18

4:03 pm-8:20 am

3 stops32h 17m

$428

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Thu 5/7

10:39 am-10:50 pm

3 stops28h 11m

$429

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/24

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on Ontario-London Gatwick Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Ontario-London Gatwick Airport flight deals on Cheapflights vs. Ovago 90-95% of the time. Price accuracy is based on data collected from Ontario-London Gatwick Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-London Gatwick Airport flights, Cheapflights users trust Ovago the most. Ovago 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 Ontario-London Gatwick Airport 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 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, October is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $226). Flying from Ontario to London Gatwick Airport in February is currently the most expensive (average of $600). 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.

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.

  • 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, October is the cheapest month in which you can book a flight from Ontario to London Gatwick Airport (average of $226). Flying from Ontario to London Gatwick Airport in February is currently the most expensive (average of $600). 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 London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone
Eastbourne
Sutton

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