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Ontario

$443+ Cheap flights from England to Ontario (ONT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
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 June 15, 2026.

This deal was found by Cheapflights users on 6/15. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/21:40 pm
LHR
-
ONT
1 stop16h 15m
United Airlines
Fri 7/245:45 am
ONT
-
LHR
1 stop18h 10m
United Airlines
Deal found 6/15$443
This United Airlines deal was found by Cheapflights users on 6/12. 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 9/76:55 am
LHR
-
ONT
2 stops19h 16m
United Airlines
Mon 9/285:00 am
ONT
-
LHR
1 stop20h 40m
United Airlines
Deal found 6/12$560
This United Airlines deal was found by Cheapflights users on 6/10. 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 11/137:30 am
LHR
-
ONT
2 stops20h 50m
United Airlines
Tue 11/176:00 am
ONT
-
LHR
1 stop17h 25m
United Airlines
Deal found 6/10$561
This ChecknFly deal was found by Cheapflights users on 6/11. 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/14:15 pm
LHR
-
ONT
1 stop27h 57m
Lufthansa
Thu 7/306:10 am
ONT
-
LHR
1 stop16h 35m
Lufthansa
Deal found 6/11$580
This Expedia deal was found by Cheapflights users on 6/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/25:40 pm
LHR
-
ONT
2 stops35h 02m
Air Canada
Thu 7/305:00 am
ONT
-
LHR
2 stops21h 00m
Air Canada
Deal found 6/11$589
This United Airlines deal was found by Cheapflights users on 6/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/222:50 pm
LHR
-
ONT
1 stop13h 56m
United Airlines
Sun 7/51:18 pm
ONT
-
LHR
1 stop12h 22m
United Airlines
Deal found 6/15$591
This United Airlines deal was found by Cheapflights users on 6/11. 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 7/22:50 pm
LHR
-
ONT
1 stop13h 53m
United Airlines
Sun 7/191:18 pm
ONT
-
LHR
1 stop12h 22m
United Airlines
Deal found 6/11$592
This United Airlines deal was found by Cheapflights users on 6/13. 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 10/231:40 pm
LHR
-
ONT
1 stop16h 19m
United Airlines
Thu 10/291:00 pm
ONT
-
LHR
1 stop13h 40m
United Airlines
Deal found 6/13$593
This TravelUp deal was found by Cheapflights users on 6/12. 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 7/212:00 pm
LHR
-
ONT
1 stop18h 34m
British Airways
Thu 7/3012:35 pm
ONT
-
LHR
1 stop14h 20m
British Airways
Deal found 6/12$600
This The Travel House deal was found by Cheapflights users on 6/12. 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/1411:30 am
EDI
-
ONT
1 stop19h 21m
Lufthansa
Tue 7/216:10 am
ONT
-
EDI
1 stop18h 15m
Lufthansa
Deal found 6/12$698
This United Airlines deal was found by Cheapflights users on 6/12. 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 7/111:30 am
EDI
-
ONT
1 stop19h 21m
United Airlines
Wed 7/86:10 am
ONT
-
EDI
1 stop18h 15m
United Airlines
Deal found 6/12$699
This Delta deal was found by Cheapflights users on 6/12. 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 7/25:55 am
BHX
-
ONT
2 stops24h 46m
Delta
Thu 7/306:20 am
ONT
-
BHX
2 stops19h 10m
Delta
Deal found 6/12$708

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 June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$443

Popular in

December

Cheapest in

February

Average price

$725
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. 2% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 15, 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

Fri 11/13

9:30 am-11:06 pm

2 stops21h 36m

Ontario

Tue 11/17

6:02 am-6:20 am

2 stops16h 18m

$561

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 10/1

1:40 pm-9:59 pm

1 stop16h 19m

Ontario

Wed 10/7

1:24 pm-9:40 am

1 stop12h 16m

$592

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 7/2

4:40 pm-10:51 pm

2 stops38h 11m

Ontario

Wed 7/8

6:39 pm-7:25 am

1 stop28h 46m

$592

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 7/8

2:10 pm-10:51 pm

1 stop16h 41m

Ontario

Thu 7/23

1:18 pm-9:40 am

1 stop12h 22m

$592
Quickest round-trip

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 6/26

10:35 am-5:54 pm

1 stop15h 19m

Ontario

Tue 6/30

1:18 pm-9:40 am

1 stop12h 22m

$594

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 9/1

1:00 pm-8:01 pm

1 stop15h 01m

Ontario

Tue 9/8

1:56 pm-11:10 am

1 stop13h 14m

$594

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 6/27

4:15 pm-10:50 pm

1 stop14h 35m

Ontario

Sat 7/25

4:20 pm-2:10 pm

1 stop13h 50m

$594

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 10/23

1:00 pm-8:31 pm

1 stop15h 31m

Ontario

Sat 10/31

1:00 pm-9:40 am

1 stop13h 40m

$594

BirminghamOntario

BHX - ONT

BHXONT

Birmingham

Thu 7/2

5:55 am-10:41 pm

2 stops24h 46m

Ontario

Thu 7/30

6:20 am-9:30 am

2 stops19h 10m

$708

LondonOntario

LCY - ONT

LCYONT

London City

Mon 7/13

6:45 am-10:32 pm

2 stops23h 47m

Ontario

Mon 7/20

10:25 am-3:15 pm

2 stops20h 50m

$737

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

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, March is the cheapest month in which you can book a flight from England to Ontario (average of $398). Flying from England to Ontario in May is currently the most expensive (average of $611). 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?

How far ahead should I book a flight from England to Ontario?

The best time to book flights from England to Ontario is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 $561, United Airlines can have you in Ontario from England in 21h 36m. 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, March is the cheapest month in which you can book a flight from England to Ontario (average of $398). Flying from England to Ontario in May is currently the most expensive (average of $611). 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$567Average$709FlexibilityNo cancel feeOn-time70%

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