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Ontario

$403+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheap 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 December 21, 2025.

This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:45 amLHR - ONT
1 stop19h 43mDelta
Mon 1/121:11 pmONT - LHR
1 stop12h 49mDelta
Deal found 12/19$515
This Delta deal was found by Cheapflights users on 12/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:45 amLHR - ONT
1 stop19h 43mDelta
Sat 1/101:11 pmONT - LHR
1 stop12h 49mDelta
Deal found 12/19$527
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Fri 12/264:30 pmLHR - ONT
1 stop15h 16mAmerican Airlines
Wed 1/1410:58 amONT - LHR
1 stop13h 37mAmerican Airlines
Deal found 12/19$535
This British Airways deal was found by Cheapflights users on 12/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:30 pmLHR - ONT
1 stop15h 16mBritish Airways
Mon 1/124:45 pmONT - LHR
1 stop12h 30mBritish Airways
Deal found 12/19$544
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:05 amLHR - ONT
1 stop15h 38mUnited Airlines
Fri 1/91:24 pmONT - LHR
1 stop12h 16mUnited Airlines
Deal found 12/20$552
This Kissandfly.com deal was found by Cheapflights users on 12/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:45 amLHR - ONT
1 stop19h 43mMultiple Airlines
Mon 1/1212:41 pmONT - LHR
1 stop14h 59mMultiple Airlines
Deal found 12/20$568
This United Airlines deal was found by Cheapflights users on 12/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2811:35 amLHR - ONT
1 stop17h 32mUnited Airlines
Thu 1/81:24 pmONT - LHR
1 stop12h 16mUnited Airlines
Deal found 12/19$582
This Kissandfly.com deal was found by Cheapflights users on 12/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:05 amLHR - ONT
1 stop15h 38mLufthansa
Mon 1/121:53 pmONT - LHR
1 stop14h 07mLufthansa
Deal found 12/20$587
This British Airways deal was found by Cheapflights users on 12/19. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/264:30 pmLHR - ONT
1 stop15h 16mBritish Airways
Wed 12/3112:45 pmONT - LHR
1 stop13h 15mBritish Airways
Deal found 12/19$648
This United Airlines deal was found by Cheapflights users on 12/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2710:05 amLHR - ONT
1 stop15h 38mUnited Airlines
Sat 1/36:39 pmONT - LHR
1 stop28h 46mUnited Airlines
Deal found 12/20$664
This Delta deal was found by Cheapflights users on 12/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:05 amNCL - ONT
2 stops18h 07mDelta
Thu 1/86:00 amONT - NCL
2 stops20h 20mDelta
Deal found 12/20$671
This oojo deal was found by Cheapflights users on 12/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:15 pmLCY - ONT
2 stops34h 59mBritish Airways
Sun 1/117:16 amONT - LCY
2 stops41h 34mBritish Airways
Deal found 12/21$894

Find flight deals from England to Ontario

Keep the following information in mind while searching for England to Ontario flight deals. Data was last updated December 21, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$394

Popular in

December

Cheapest in

September

Average price

$796
Provider with most accurate pricing for London (LON)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Los Angeles flights.
Search Deals
From England to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 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 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 December 21, 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

LHR - ONT

LHRONT

London Heathrow

Mon 1/12

8:55 am-9:05 pm

1 stop20h 10m

Ontario

Mon 1/26

12:41 pm-11:40 am

1 stop14h 59m

$510

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 1/22

7:30 am-9:58 pm

2 stops22h 28m

Ontario

Mon 1/26

1:53 pm-7:25 am

1 stop33h 32m

$511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 1/12

8:55 am-9:05 pm

1 stop20h 10m

Ontario

Sun 1/25

10:30 pm-7:50 am

1 stop25h 20m

$511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 4/14

6:30 am-5:15 pm

2 stops18h 45m

Ontario

Fri 4/24

1:20 pm-1:30 pm

2 stops16h 10m

$512

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 2/27

10:45 am-9:05 pm

1 stop18h 20m

Ontario

Sun 3/15

11:59 am-10:30 am

1 stop15h 31m

$516

LondonOntario

LCY - ONT

LCYONT

London City

Mon 2/2

10:00 am-9:05 pm

2 stops19h 05m

Ontario

Mon 2/9

12:41 pm-4:35 pm

2 stops19h 54m

$540

LondonOntario

LCY - ONT

LCYONT

London City

Tue 1/13

7:45 am-9:05 pm

2 stops21h 20m

Ontario

Tue 1/20

12:41 pm-4:35 pm

2 stops19h 54m

$540

LondonOntario

LCY - ONT

LCYONT

London City

Mon 4/13

10:00 am-10:40 pm

2 stops20h 40m

Ontario

Thu 4/23

7:00 am-9:30 am

2 stops18h 30m

$554

Newcastle upon TyneOntario

NCL - ONT

NCLONT

Newcastle upon Tyne

Mon 2/2

9:40 am-10:48 pm

2 stops21h 08m

Ontario

Mon 2/9

3:09 pm-4:00 pm

2 stops16h 51m

$602

EdinburghOntario

EDI - ONT

EDIONT

Edinburgh Turnhouse

Thu 2/19

7:30 am-10:49 pm

2 stops23h 19m

Ontario

Mon 2/23

10:59 am-3:15 pm

2 stops20h 16m

$627

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

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, September is the cheapest month in which you can book a flight from England to Ontario (average of $320). Flying from England to Ontario in July is currently the most expensive (average of $539). 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 December 21, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 34% on flights from England to Ontario by exploring options for tickets in the afternoon.

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 $510, Delta can have you in Ontario from England in 20h 10m. 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 most popular routes from England to Ontario?

    When deciding which route to take from England to Ontario consider London Heathrow - Ontario, Manchester - Ontario or Birmingham - 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, September is the cheapest month in which you can book a flight from England to Ontario (average of $320). Flying from England to Ontario in July is currently the most expensive (average of $539). 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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$694FlexibilityNo cancel feeOn-time69%

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