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Cheap flights from England to Ontario from £323

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 27/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
8 Mar — 15 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from England to Ontario

Enter your travel dates to find the best prices.

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 6 February 2026.

Sat 28/210:05
LHR
-
ONT
1 stop15h 36m
United Airlines
Sun 8/306:15
ONT
-
LHR
1 stop18h 10m
United Airlines
Deal found 6/2£395
Mon 13/410:05
LHR
-
ONT
1 stop14h 17m
British Airways
Mon 4/510:59
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 2/2£413
Wed 8/714:50
LHR
-
ONT
1 stop13h 27m
United Airlines
Sun 12/713:00
ONT
-
LHR
1 stop12h 40m
United Airlines
Deal found 5/2£414
Thu 19/216:30
LHR
-
ONT
1 stop15h 29m
British Airways
Mon 23/214:39
ONT
-
LHR
1 stop13h 01m
British Airways
Deal found 6/2£420
Mon 13/416:10
LHR
-
ONT
1 stop13h 49m
British Airways
Sun 26/410:59
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 6/2£426
Thu 16/410:05
LHR
-
ONT
1 stop14h 17m
British Airways
Thu 23/410:59
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 3/2£428
Wed 15/412:55
LHR
-
ONT
1 stop18h 51m
Finnair
Thu 23/410:59
ONT
-
LHR
1 stop13h 06m
Finnair
Deal found 3/2£430
Wed 8/410:05
LHR
-
ONT
1 stop14h 17m
British Airways
Mon 13/410:59
ONT
-
LHR
1 stop13h 06m
British Airways
Deal found 4/2£431
Mon 12/1016:10
LHR
-
ONT
1 stop13h 25m
Multiple Airlines
Wed 21/1016:59
ONT
-
LHR
1 stop14h 06m
Multiple Airlines
Deal found 3/2£432
Wed 15/410:50
LHR
-
ONT
2 stops20h 56m
Iberia
Thu 23/414:08
ONT
-
LHR
1 stop14h 02m
Iberia
Deal found 3/2£435
Sun 21/616:20
LHR
-
ONT
2 stops35h 32m
British Airways
Mon 6/709:12
ONT
-
LHR
1 stop17h 53m
British Airways
Deal found 3/2£436
Mon 27/410:25
LGW
-
ONT
2 stops20h 12m
Delta
Sat 9/511:52
ONT
-
LGW
2 stops20h 08m
Delta
Deal found 3/2£452

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 6 February 2026.

Round-trip from

£395

One-way from

£323

Popular in

December

Cheapest in

September

Average price

£399
United Airlines
  • United Airlines
  • 28/2-8/3
  • 2 total stops
  • 33h 46m total
  • England to Ontario
Search Deals
United Airlines
  • United Airlines
  • 18/3
  • 2 total stops
  • 22h 27m total
  • England to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 6 February 2026.
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

Sat 28/2

10:05-17:41

1 stop15h 36m

Ontario

Sun 8/3

06:15-07:25

1 stop18h 10m

£395

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 15/4

11:15-18:33

1 stop15h 18m

Ontario

Sat 25/4

07:05-06:45

1 stop15h 40m

£452

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sun 12/4

18:30-11:13

1 stop24h 43m

Ontario

Wed 22/4

17:55-15:35

1 stop13h 40m

£452

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 15/4

11:15-21:00

1 stop17h 45m

Ontario

Tue 21/4

14:20-12:10

1 stop13h 50m

£452

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 24/3

10:45-23:51

1 stop20h 06m

Ontario

Fri 3/7

17:55-15:35

1 stop13h 40m

£453

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 24/3

10:45-23:51

1 stop20h 06m

Ontario

Sat 4/7

07:00-06:45

1 stop15h 45m

£453

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 27/4

10:25-22:37

2 stops20h 12m

Ontario

Sat 9/5

11:52-16:00

2 stops20h 08m

£453

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 27/4

06:30-17:15

2 stops18h 45m

Ontario

Sat 9/5

13:35-13:50

2 stops16h 15m

£460

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 31/3

10:05-16:22

1 stop14h 17m

Ontario

Mon 13/4

10:59-08:05

1 stop13h 06m

£472

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/3

08:30-21:59

2 stops21h 29m

Ontario

Wed 11/3

06:15-06:20

2 stops17h 05m

£478

Flights are sorted by cheapest return flights first.

Deals found on 3/2

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 return 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 £236). Flying from England to Ontario in July is currently the most expensive (average of £387). 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?

    Most people fly into Ontario (ONT) if they book a flight to Ontario from England. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from England to Ontario?

    There are many flights that can get you from England to Ontario in 15h 18m. Fly via United Airlines, Delta, or Iberia to get the fastest option. England and Ontario are separated by a distance of 5407 mi. This flight may include one or multiple 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 holiday 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 £236). Flying from England to Ontario in July is currently the most expensive (average of £387). 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

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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 6 airlines flying from England to Ontario

Discover the top 6 airlines 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 858,174 searches. Data last updated 6 February 2026.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£276Average£433FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£365Average£459FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£372Average£493FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£381Average£467FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£390Average£608FlexibilityNo cancel feeOn-time75%
Search KLM flights
LufthansaCheapest£418Average£573FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from England to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from England to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from England to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from England to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from England to Ontario with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from England to Ontario flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from England to Ontario become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from England today and book when prices fit your budget.

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