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Ontario

$336+ Cheap flights from England 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from England to Ontario

Keep the following information in mind while searching for England to Ontario flight deals. Data was last updated September 17, 2025.

Round-trip from

$490
(American Airlines)

One-way from

$336
(Thrive Travel)

Popular in

December

Cheapest in

September

Average price

$545
From England to Ontario
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One-way flight from England to Ontario
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Highest demand for flights based on searches. 3% potential increase in price ($23 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from England to Ontario

Cheapest flights from England to Ontario
Explore the most affordable flight options available from England to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This TravelUp deal was found by Cheapflights users on 9/15. 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.
Thu 10/302:45 pmLHR - ONT
1 stop14h 56mVirgin Atlantic
Thu 11/67:35 amONT - LHR
1 stop21h 15mVirgin Atlantic
Deal found 9/15$512
This TravelUp deal was found by Cheapflights users on 9/17. 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.
Sat 11/112:20 pmLHR - ONT
1 stop17h 21mVirgin Atlantic
Sat 11/87:05 amONT - LHR
1 stop15h 20mVirgin Atlantic
Deal found 9/17$514
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 10/112:20 pmLGW - ONT
2 stops40h 51mAmerican Airlines
Sun 10/511:59 pmONT - LGW
2 stops24h 11mAmerican Airlines
Deal found 9/15$515
This Netflights deal was found by Cheapflights users on 9/15. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:20 amLHR - ONT
2 stops23h 15mVirgin Atlantic
Sat 12/131:20 pmONT - LHR
1 stop12h 40mVirgin Atlantic
Deal found 9/15$517
This TravelUp deal was found by Cheapflights users on 9/14. 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.
Sat 11/224:25 pmLHR - ONT
2 stops39h 27mVirgin Atlantic
Sat 11/2911:45 amONT - LHR
1 stop36h 05mVirgin Atlantic
Deal found 9/14$520
This Netflights deal was found by Cheapflights users on 9/16. 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 Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/261:25 pmLHR - ONT
1 stop17h 15mVirgin Atlantic
Mon 10/61:15 pmONT - LHR
1 stop12h 35mVirgin Atlantic
Deal found 9/16$531
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:05 amLHR - ONT
1 stop19h 13mBritish Airways
Thu 11/62:59 pmONT - LHR
1 stop12h 41mBritish Airways
Deal found 9/15$532
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:30 amLHR - ONT
1 stop20h 03mBritish Airways
Wed 11/194:47 pmONT - LHR
1 stop12h 28mBritish Airways
Deal found 9/15$533
This British Airways deal was found by Cheapflights users on 9/15. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/223:10 pmLHR - ONT
1 stop15h 23mBritish Airways
Wed 10/82:51 pmONT - LHR
1 stop15h 34mBritish Airways
Deal found 9/15$534
This British Airways deal was found by Cheapflights users on 9/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:00 pmLHR - ONT
1 stop14h 54mBritish Airways
Mon 10/202:51 pmONT - LHR
1 stop13h 54mBritish Airways
Deal found 9/17$535
This lastminute.com deal was found by Cheapflights users on 9/15. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/225:25 pmLHR - ONT
2 stops38h 17mVirgin Atlantic
Tue 10/71:15 pmONT - LHR
2 stops15h 55mVirgin Atlantic
Deal found 9/15$536
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 10/306:30 amLHR - ONT
2 stops19h 49mDelta
Thu 11/67:35 amONT - LHR
1 stop18h 55mDelta
Deal found 9/15$538

Cheapflights Fare Finder

 
Customize your flight search to find flights from England 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 September 17, 2025.
Use the filters below to find and compare flights from England to Ontario that are best for you.

Fly from

England

Fly to

Ontario

Route

Depart

Return

Price

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 2/26

12:30 pm-1:44 pm

2 stops33h 14m

Ontario

Mon 3/2

8:04 pm-7:30 am

2 stops27h 26m

$490

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 10/1

12:20 pm-9:11 pm

2 stops40h 51m

Ontario

Sun 10/5

11:59 pm-8:10 am

2 stops24h 11m

$515

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 10/4

11:00 am-9:24 pm

1 stop18h 24m

Ontario

Sat 10/18

4:49 pm-2:40 pm

1 stop13h 51m

$533

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 10/1

10:30 am-10:33 pm

1 stop20h 03m

Ontario

Wed 11/19

4:47 pm-1:15 pm

1 stop12h 28m

$533

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 11/16

4:30 pm-11:57 pm

1 stop15h 27m

Ontario

Tue 11/25

12:49 pm-11:40 am

1 stop14h 51m

$533

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 10/1

12:00 pm-6:54 pm

1 stop14h 54m

Ontario

Mon 11/24

3:19 pm-12:15 pm

1 stop12h 56m

$533

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 10/1

12:00 pm-6:54 pm

1 stop14h 54m

Ontario

Tue 11/25

2:59 pm-11:40 am

1 stop12h 41m

$533

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 11/22

3:00 pm-11:57 pm

1 stop16h 57m

Ontario

Fri 12/5

12:46 pm-10:00 am

1 stop13h 14m

$535

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 10/4

12:00 pm-6:54 pm

1 stop14h 54m

Ontario

Sun 10/19

4:49 pm-12:50 pm

1 stop12h 01m

$535

LondonOntario

LCY - ONT

LCYONT

London City

Wed 10/8

10:00 am-10:41 pm

2 stops20h 41m

Ontario

Wed 10/15

1:15 pm-6:30 pm

2 stops21h 15m

$557

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 60 results
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Best time to book a flight from England to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from England 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 England to Ontario

What is the cheapest month to book a flight from England to Ontario?

Currently, August is the cheapest month in which you can book a flight from England to Ontario (average of $246). Flying from England to Ontario in March is currently the most expensive (average of $327). 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.

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

Find hourly flight availability from England to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

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

How much does it cost to fly round-trip from England to Ontario?

Related info for your journey

Find useful and relevant information for your journey from England 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 England?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to Ontario from England.

  • How long is the flight from England to Ontario?

    For as low as $533, American Airlines can have you in Ontario from England in 18h 24m. The distance from England to Ontario is about 5407 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from England to Ontario one-way?

    One-way options have recently been found by users for as low as $426 on American Airlines. Other airlines that offer cheap prices include British Airways from $433 and Delta from $451 one-way.

  • What are the most popular routes from England to Ontario?

    When deciding which route to take from England to Ontario consider London Heathrow - Ontario, Manchester - Ontario or London Gatwick - Ontario as they are the most popular.

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

    Yes. In addition to deals on England to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from England to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from England to Ontario.

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

    Yes. Cheapflights offers flight deals from England 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 England to Ontario?

    Currently, August is the cheapest month in which you can book a flight from England to Ontario (average of $246). Flying from England to Ontario in March is currently the most expensive (average of $327). 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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Alternative routes for England to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from England to Ontario

Discover the top airline that operate flights from England to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$739FlexibilityNo cancel feeOn-time69%

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