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Cheap flights from England to Ontario from £257

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 20/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

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 4 November 2025.

Round-trip from

£440

One-way from

£257

Popular in

December

Cheapest in

September

Average price

£475
Delta
  • Delta
  • 10/1-18/2
  • 2 total stops
  • 29h 55m total
  • England to Ontario
Search Deals
20/11
  • 20/11
  • 2 total stops
  • 25h 20m total
  • England to Ontario
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£17 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 November 2025
Search Deals

Find 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 4 November 2025.

Wed 3/1210:45LHR - ONT
1 stop21h 13mVirgin Atlantic
Fri 12/1206:00ONT - LHR
1 stop20h 00mVirgin Atlantic
Deal found 3/11£460
Fri 14/1106:30LHR - ONT
2 stops24h 34mDelta
Thu 4/1206:40ONT - LHR
2 stops18h 05mDelta
Deal found 3/11£480
Mon 8/1208:55LHR - ONT
1 stop22h 09mDelta
Wed 24/1211:15ONT - LHR
1 stop16h 25mDelta
Deal found 3/11£480
Tue 2/1212:20LHR - ONT
1 stop30h 53mDelta
Thu 11/1206:40ONT - LHR
1 stop19h 50mDelta
Deal found 4/11£481
Mon 8/1214:45LHR - ONT
1 stop16h 02mVirgin Atlantic
Tue 23/1206:00ONT - LHR
1 stop20h 00mVirgin Atlantic
Deal found 2/11£483
Tue 2/1208:55LHR - ONT
1 stop18h 44mDelta
Sun 7/1207:05ONT - LHR
1 stop16h 45mDelta
Deal found 4/11£486
Tue 23/1210:45LHR - ONT
1 stop13h 27mDelta
Sun 24/511:55ONT - LHR
1 stop13h 05mDelta
Deal found 3/11£486
Fri 21/1108:55LHR - ONT
1 stop18h 47mDelta
Fri 28/1107:05ONT - LHR
1 stop16h 45mDelta
Deal found 3/11£488
Thu 25/1206:30LHR - ONT
2 stops18h 38mDelta
Tue 30/1211:42ONT - LHR
1 stop14h 48mDelta
Deal found 3/11£489
Mon 24/1120:05MAN - ONT
2 stops30h 17mBritish Airways
Mon 8/1215:04ONT - MAN
2 stops17h 26mBritish Airways
Deal found 2/11£588
Wed 19/1109:25EDI - ONT
2 stops21h 06mUnited Airlines
Wed 3/1213:34ONT - EDI
2 stops34h 21mUnited Airlines
Deal found 3/11£588
Thu 4/1209:40LCY - ONT
2 stops20h 09mMultiple Airlines
Thu 11/1213:50ONT - LCY
2 stops19h 50mMultiple Airlines
Deal found 4/11£614

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 4 November 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

Thu 26/2

06:30-22:40

2 stops24h 10m

Ontario

Mon 2/3

16:54-06:20

2 stops29h 26m

£433

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 10/1

12:20-22:29

1 stop18h 09m

Ontario

Fri 13/2

13:10-10:00

1 stop12h 50m

£440

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 14/1

10:45-16:13

1 stop13h 28m

Ontario

Mon 23/2

13:10-10:00

1 stop12h 50m

£440

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/3

14:45-22:38

1 stop14h 53m

Ontario

Mon 30/3

13:00-09:50

1 stop12h 50m

£443

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/3

14:45-22:38

1 stop14h 53m

Ontario

Mon 30/3

13:00-09:50

1 stop12h 50m

£443

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/3

14:45-22:38

1 stop14h 53m

Ontario

Tue 31/3

13:00-09:50

1 stop12h 50m

£443

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 28/4

10:55-16:14

1 stop13h 19m

Ontario

Sun 10/5

11:55-09:00

1 stop13h 05m

£452

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 26/2

12:30-22:31

2 stops42h 01m

Ontario

Mon 2/3

23:59-07:30

2 stops23h 31m

£470

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 6/3

12:20-22:40

1 stop18h 20m

Ontario

Sun 29/3

11:55-09:00

1 stop13h 05m

£471

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 7/3

15:05-22:40

1 stop15h 35m

Ontario

Sun 29/3

11:55-09:00

1 stop13h 05m

£471

Flights are sorted by cheapest return flights first.

Deals found on 3/11

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 £244). Flying from England to Ontario in July is currently the most expensive (average of £423). 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 4 November 2025.

When flying from England to Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at midday.

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 14h 53m. Fly via Delta, KLM, 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 £310 on British Airways. Other airlines that offer cheap prices include United Airlines from £324 and Delta from £340 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, 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 £244). Flying from England to Ontario in July is currently the most expensive (average of £423). 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.

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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£285Average£506FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£394Average£565FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£394Average£656FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£403Average£577FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£418Average£517FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£441Average£592FlexibilityNo 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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