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Ontario

$370+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Aug 30 — Sep 61
Sun 8/30
Sun 9/6
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 July 31, 2026.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 12/119:30 am
LHR
-
ONT
2 stops18h 50m
United Airlines
Sun 12/271:18 pm
ONT
-
LHR
1 stop34h 07m
United Airlines
Deal found 7/28$601
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 11/189:00 am
LHR
-
ONT
2 stops19h 15m
United Airlines
Thu 11/196:00 am
ONT
-
LHR
1 stop17h 40m
United Airlines
Deal found 7/29$602
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/288:40 am
LHR
-
ONT
2 stops19h 21m
United Airlines
Thu 9/107:00 am
ONT
-
LHR
1 stop17h 30m
United Airlines
Deal found 7/30$604
This United Airlines deal was found by Cheapflights users on 7/29. 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.
Wed 9/168:40 am
LHR
-
ONT
2 stops19h 21m
United Airlines
Mon 9/211:56 pm
ONT
-
LHR
1 stop16h 14m
United Airlines
Deal found 7/29$605
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 8/248:40 am
LHR
-
ONT
2 stops19h 21m
United Airlines
Sun 9/65:00 am
ONT
-
LHR
1 stop23h 35m
United Airlines
Deal found 7/27$606
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Wed 11/186:35 am
LHR
-
ONT
2 stops22h 16m
United Airlines
Sat 11/211:29 pm
ONT
-
LHR
1 stop12h 11m
United Airlines
Deal found 7/27$607
This United Airlines deal was found by Cheapflights users on 7/29. 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 9/127:25 am
LHR
-
ONT
2 stops23h 34m
United Airlines
Sat 9/191:18 pm
ONT
-
LHR
1 stop15h 07m
United Airlines
Deal found 7/29$609
This United Airlines deal was found by Cheapflights users on 7/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/47:25 am
LHR
-
ONT
2 stops18h 46m
United Airlines
Fri 9/115:00 am
ONT
-
LHR
1 stop20h 40m
United Airlines
Deal found 7/30$610
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Thu 9/179:30 am
LHR
-
ONT
2 stops20h 29m
United Airlines
Mon 9/211:56 pm
ONT
-
LHR
1 stop13h 14m
United Airlines
Deal found 7/27$612
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/127:25 am
LHR
-
ONT
2 stops23h 34m
United Airlines
Fri 9/255:00 am
ONT
-
LHR
1 stop20h 40m
United Airlines
Deal found 7/31$613
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/48:40 am
LHR
-
ONT
2 stops21h 55m
United Airlines
Fri 9/251:24 pm
ONT
-
LHR
1 stop12h 16m
United Airlines
Deal found 7/28$614
This Delta deal was found by Cheapflights users on 7/28. 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.
Fri 9/410:25 am
LGW
-
ONT
2 stops19h 27m
Delta
Fri 9/256:20 am
ONT
-
LGW
2 stops19h 05m
Delta
Deal found 7/28$689

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 July 31, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$601
(United Airlines)

One-way from

$370
(Trip.com)

Popular in

December

Cheapest in

February

Average price

$720
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
One-way flight from England to Ontario
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
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 July 31, 2026.
Use the filters below to find and compare flights from England to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 1/27

6:50 am-6:44 pm

2 stops19h 54m

Ontario

Fri 1/29

6:00 am-7:55 am

2 stops17h 55m

$620

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 9/2

1:00 pm-8:01 pm

1 stop15h 01m

Ontario

Wed 9/9

9:01 am-7:25 am

1 stop14h 24m

$643

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 9/16

10:35 am-6:16 pm

1 stop15h 41m

Ontario

Wed 9/23

1:56 pm-11:10 am

1 stop13h 14m

$647

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 8/29

10:00 am-6:12 pm

1 stop16h 12m

Ontario

Sun 9/20

1:18 pm-9:40 am

1 stop12h 22m

$651

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 11/5

1:15 pm-7:09 pm

1 stop13h 54m

Ontario

Tue 11/10

12:42 pm-10:00 am

1 stop13h 18m

$673

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 12/20

10:45 am-11:48 pm

1 stop21h 03m

Ontario

Mon 1/4

6:00 am-10:00 am

1 stop20h 00m

$684

LondonOntario

LCY - ONT

LCYONT

London City

Tue 9/1

10:00 am-10:45 pm

2 stops20h 45m

Ontario

Mon 9/14

6:00 pm-4:40 pm

2 stops38h 40m

$696

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 8/19

1:00 pm-8:01 pm

1 stop15h 01m

Ontario

Tue 8/25

1:18 pm-9:40 am

1 stop12h 22m

$716
Quickest round-trip

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 8/14

2:50 pm-8:53 pm

1 stop14h 03m

Ontario

Tue 8/18

1:18 pm-9:40 am

1 stop12h 22m

$717

LondonOntario

LCY - ONT

LCYONT

London City

Mon 8/24

7:45 am-4:24 pm

2 stops16h 39m

Ontario

Sun 9/6

1:06 pm-4:40 pm

2 stops19h 34m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from England to Ontario (average of $579). Flying from England to Ontario in June is currently the most expensive (average of $892). 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.

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

Airfare is below average for this route at the moment.
England to Ontario flights typically cost between $707 and $897 in December.
The cheapest round-trip price found within the last 5 days was $601 on United Airlines (Dec 11-Dec 27).

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 $673, United Airlines can have you in Ontario from England in 13h 54m. 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, London Gatwick - Ontario or Manchester - 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, February is the cheapest month in which you can book a flight from England to Ontario (average of $579). Flying from England to Ontario in June is currently the most expensive (average of $892). 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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