HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$433+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from England to Ontario with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 10, 2026.

This deal was found by Cheapflights users on 3/9. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3010:35 am
LHR
-
ONT
1 stop15h 12m
United Airlines
Sat 4/257:00 am
ONT
-
LHR
1 stop17h 30m
United Airlines
Deal found 3/9$487
This TravelUp deal was found by Cheapflights users on 3/5. 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.
Wed 4/2210:05 am
LHR
-
ONT
1 stop14h 17m
British Airways
Thu 4/3010:59 am
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 3/5$508
This United Airlines deal was found by Cheapflights users on 3/5. 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 4/2210:50 am
LHR
-
ONT
2 stops19h 55m
United Airlines
Wed 4/296:49 pm
ONT
-
LHR
1 stop32h 21m
United Airlines
Deal found 3/5$513
This TravelUp deal was found by Cheapflights users on 3/5. 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.
Fri 4/2410:05 am
LHR
-
ONT
1 stop14h 17m
British Airways
Wed 4/2910:59 am
ONT
-
LHR
1 stop12h 56m
British Airways
Deal found 3/5$518
This TravelUp deal was found by Cheapflights users on 3/5. 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.
Fri 4/1710:05 am
LHR
-
ONT
1 stop14h 17m
British Airways
Thu 4/2310:59 am
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 3/5$530
This TravelUp deal was found by Cheapflights users on 3/5. 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 4/210:05 am
LHR
-
ONT
1 stop14h 17m
British Airways
Thu 4/2310:59 am
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 3/5$534
This United Airlines deal was found by Cheapflights users on 3/5. 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 3/196:30 am
LHR
-
ONT
2 stops18h 11m
United Airlines
Sun 3/2211:59 pm
ONT
-
LHR
1 stop22h 56m
United Airlines
Deal found 3/5$539
This United Airlines deal was found by Cheapflights users on 3/6. 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 4/207:25 am
LHR
-
ONT
2 stops18h 22m
United Airlines
Mon 4/276:00 am
ONT
-
LHR
1 stop17h 25m
United Airlines
Deal found 3/6$541
This TravelUp deal was found by Cheapflights users on 3/5. 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 5/212:25 pm
LHR
-
ONT
1 stop16h 13m
British Airways
Thu 9/1012:47 pm
ONT
-
LHR
1 stop16h 03m
British Airways
Deal found 3/5$542
This British Airways deal was found by Cheapflights users on 3/5. 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 4/610:05 am
LHR
-
ONT
1 stop14h 17m
British Airways
Tue 4/142:08 pm
ONT
-
LHR
1 stop14h 02m
British Airways
Deal found 3/5$546
This British Airways deal was found by Cheapflights users on 3/5. 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 4/12:25 pm
LHR
-
ONT
1 stop16h 05m
British Airways
Thu 4/1610:59 am
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 3/5$548
This Iberia deal was found by Cheapflights users on 3/5. 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.
Fri 4/1711:30 am
LGW
-
ONT
2 stops20h 16m
Iberia
Fri 4/242:08 pm
ONT
-
LGW
2 stops21h 52m
Iberia
Deal found 3/5$643

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$487

One-way from

$433
(British Airways)

Popular in

July

Cheapest in

September

Average price

$563
Provider with most accurate pricing for London (LON)-Ontario flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Ontario 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. 5% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 10, 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

Sat 5/2

11:05 am-6:01 pm

1 stop14h 56m

Ontario

Sun 5/10

7:00 am-6:45 am

1 stop15h 45m

$546

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/1

2:25 pm-10:30 pm

1 stop16h 05m

Ontario

Mon 4/13

2:08 pm-12:10 pm

1 stop14h 02m

$548

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 9/1

2:50 pm-8:52 pm

1 stop14h 02m

Ontario

Mon 9/7

8:00 am-7:25 am

1 stop15h 25m

$573

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 5/14

2:10 pm-10:35 pm

1 stop16h 25m

Ontario

Mon 5/18

1:30 pm-11:10 am

1 stop13h 40m

$586

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 5/5

2:50 pm-8:36 pm

1 stop13h 46m

Ontario

Tue 5/12

1:30 pm-11:10 am

1 stop13h 40m

$586

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 4/24

1:40 pm-9:50 pm

1 stop16h 10m

Ontario

Fri 5/1

1:30 pm-11:10 am

1 stop13h 40m

$586

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 8/19

4:25 pm-12:08 am

1 stop15h 43m

Ontario

Sun 8/30

11:59 pm-2:25 pm

1 stop30h 26m

$602

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 4/3

2:50 pm-8:36 pm

1 stop13h 46m

Ontario

Tue 4/21

1:34 pm-12:25 pm

1 stop14h 51m

$603
Quickest round-trip

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 6/17

2:50 pm-8:42 pm

1 stop13h 52m

Ontario

Mon 6/22

1:50 pm-11:10 am

1 stop13h 20m

$617

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 5/19

10:35 am-5:52 pm

1 stop15h 17m

Ontario

Tue 5/26

1:50 pm-11:10 am

1 stop13h 20m

$619

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 $518). 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 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 $546, United Airlines can have you in Ontario from England in 14h 56m. 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 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, 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 $518). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$497Average$694FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2026 Cheapflights