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Cheap flights from England to Ontario from £299

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
1 Sep — 8 Sep1
1 adult

Cheap flight deals from England to Ontario

Keep the following information in mind while searching for England to Ontario flight deals. Data was last updated 27 August 2025.

Round-trip from

£384

One-way from

£299

Popular in

December

Cheapest in

September

Average price

£577
Virgin Atlantic
  • Virgin Atlantic
  • 6/10-13/10
  • 4 total stops
  • 51h 21m total
  • England to Ontario
Search Deals
15/10
  • 15/10
  • 3 total stops
  • 33h 05m total
  • England to Ontario
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find 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 27 August 2025.

Mon 6/1019:15LHR - ONT
2 stops35h 26mVirgin Atlantic
Mon 13/1013:15ONT - LHR
2 stops15h 55mVirgin Atlantic
Deal found 26/8£384
Tue 2/917:10LHR - ONT
2 stops37h 30mVirgin Atlantic
Tue 23/909:55ONT - LHR
2 stops19h 15mVirgin Atlantic
Deal found 25/8£385
Mon 6/1015:10LHR - ONT
1 stop15h 08mBritish Airways
Mon 13/1014:51ONT - LHR
1 stop13h 54mBritish Airways
Deal found 26/8£393
Tue 2/908:20LHR - ONT
1 stop18h 04mBritish Airways
Tue 23/912:47ONT - LHR
1 stop14h 03mBritish Airways
Deal found 25/8£394
Tue 4/1114:55LHR - ONT
1 stop15h 34mBritish Airways
Tue 18/1116:47ONT - LHR
1 stop12h 28mBritish Airways
Deal found 26/8£401
Thu 9/1010:55LHR - ONT
2 stops20h 44mVirgin Atlantic
Thu 16/1007:35ONT - LHR
1 stop19h 45mVirgin Atlantic
Deal found 25/8£407
Wed 24/912:00LHR - ONT
1 stop14h 54mAmerican Airlines
Mon 29/914:54ONT - LHR
1 stop13h 51mAmerican Airlines
Deal found 26/8£409
Mon 17/1112:30LHR - ONT
1 stop18h 34mKLM
Thu 4/1211:29ONT - LHR
1 stop15h 01mKLM
Deal found 26/8£410
Sat 1/1115:05LHR - ONT
1 stop14h 36mVirgin Atlantic
Fri 7/1113:15ONT - LHR
1 stop12h 45mVirgin Atlantic
Deal found 25/8£416
Sat 20/915:05LGW - ONT
2 stops28h 51mAmerican Airlines
Fri 3/1006:10ONT - LGW
2 stops18h 25mAmerican Airlines
Deal found 25/8£416
Thu 9/1015:10LHR - ONT
1 stop16h 49mBritish Airways
Thu 16/1014:51ONT - LHR
1 stop13h 54mBritish Airways
Deal found 25/8£417
Wed 24/908:20LHR - ONT
1 stop18h 34mBritish Airways
Wed 1/1012:47ONT - LHR
1 stop14h 03mBritish Airways
Deal found 26/8£419

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 27 August 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 6/10

19:15-22:41

2 stops35h 26m

Ontario

Mon 13/10

13:15-13:10

2 stops15h 55m

£384

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/2

14:55-22:02

1 stop15h 07m

Ontario

Tue 24/2

17:03-13:15

1 stop12h 12m

£390

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 23/2

14:45-22:38

1 stop15h 53m

Ontario

Wed 25/2

13:00-09:00

1 stop36h 00m

£391

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 6/10

15:10-22:18

1 stop15h 08m

Ontario

Mon 13/10

14:51-12:45

1 stop13h 54m

£393

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 19/11

07:35-22:29

2 stops22h 54m

Ontario

Wed 26/11

10:47-12:15

1 stop17h 28m

£394

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 4/11

14:55-22:29

1 stop15h 34m

Ontario

Tue 18/11

16:47-13:15

1 stop12h 28m

£401

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 9/10

10:55-23:39

2 stops20h 44m

Ontario

Thu 16/10

07:35-11:20

1 stop19h 45m

£407

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 1/10

12:00-18:54

1 stop14h 54m

Ontario

Mon 6/10

12:48-10:50

1 stop14h 02m

£409

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sat 20/9

15:05-11:56

2 stops28h 51m

Ontario

Fri 3/10

06:10-08:35

2 stops18h 25m

£416

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 17/9

15:05-16:05

2 stops33h 00m

Ontario

Wed 24/9

06:10-08:10

2 stops18h 00m

£445

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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, March is the cheapest month in which you can book a flight from England to Ontario (average of £516). Flying from England to Ontario in August is currently the most expensive (average of £827). 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 27 August 2025.

When flying from England to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from England to Ontario?

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 08m. Fly via Virgin Atlantic, British Airways, or American Airlines 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 cheapest airlines to fly from England to Ontario one-way?

    One-way options have recently been found by users for as low as £442 on JetBlue. Other airlines that offer cheap prices include British Airways from £458 and Iberia from £499 one-way.

  • 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 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, March is the cheapest month in which you can book a flight from England to Ontario (average of £516). Flying from England to Ontario in August is currently the most expensive (average of £827). 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 27 August 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£278Average£428FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£384Average£552FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£393Average£562FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£394Average£640FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£405Average£508FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£430Average£575FlexibilityNo 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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