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Cheap flights from England to Ontario from £324

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
3 May — 10 May1
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 3 April 2026.

Tue 5/509:30
LHR
-
ONT
2 stops20h 28m
United Airlines
Tue 19/505:00
ONT
-
LHR
2 stops18h 15m
United Airlines
Deal found 30/3£440
Tue 4/813:40
LHR
-
ONT
1 stop16h 15m
United Airlines
Tue 18/813:44
ONT
-
LHR
1 stop13h 26m
United Airlines
Deal found 30/3£451
Mon 13/414:50
LHR
-
ONT
1 stop13h 46m
United Airlines
Mon 27/413:34
ONT
-
LHR
1 stop14h 51m
United Airlines
Deal found 29/3£451
Thu 22/1009:30
LHR
-
ONT
2 stops19h 51m
United Airlines
Wed 4/1105:00
ONT
-
LHR
2 stops17h 20m
United Airlines
Deal found 29/3£457
Fri 3/713:40
LHR
-
ONT
1 stop16h 15m
United Airlines
Tue 14/705:00
ONT
-
LHR
2 stops16h 55m
United Airlines
Deal found 29/3£481
Tue 14/414:50
LHR
-
ONT
1 stop13h 46m
United Airlines
Sat 18/413:34
ONT
-
LHR
1 stop14h 51m
United Airlines
Deal found 29/3£483
Fri 23/1009:30
LHR
-
ONT
2 stops42h 50m
Air Canada
Tue 3/1113:00
ONT
-
LHR
2 stops34h 10m
Air Canada
Deal found 29/3£486
Sat 2/510:55
LHR
-
ONT
1 stop13h 30m
Virgin Atlantic
Fri 8/517:50
ONT
-
LHR
1 stop34h 20m
Virgin Atlantic
Deal found 1/4£506
Tue 7/411:30
LGW
-
ONT
2 stops30h 39m
British Airways
Wed 22/423:59
ONT
-
LGW
2 stops36h 01m
British Airways
Deal found 30/3£559
Thu 1/1011:30
LGW
-
ONT
2 stops19h 36m
Iberia
Thu 22/1014:22
ONT
-
LGW
2 stops21h 38m
Iberia
Deal found 2/4£585
Mon 18/519:00
LCY
-
ONT
2 stops31h 38m
British Airways
Tue 26/507:00
ONT
-
LCY
2 stops20h 30m
British Airways
Deal found 2/4£587
Tue 29/911:30
LGW
-
ONT
2 stops19h 36m
Iberia
Tue 20/1014:22
ONT
-
LGW
2 stops21h 38m
Iberia
Deal found 31/3£587

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 3 April 2026.

Round-trip from

£440

One-way from

£324

Popular in

December

Cheapest in

September

Average price

£451
United Airlines
  • United Airlines
  • 5/5-19/5
  • 4 total stops
  • 38h 43m total
  • England to Ontario
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 25h 31m total
  • England to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£23 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 April 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 3 April 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 return flight
Fastest return journey

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 6/8

14:50-20:42

1 stop13h 52m

Ontario

Wed 12/8

13:18-09:40

1 stop12h 22m

£481

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 16/4

14:50-20:36

1 stop13h 46m

Ontario

Wed 29/4

13:38-12:35

1 stop14h 57m

£483

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 13/8

16:15-22:58

1 stop14h 43m

Ontario

Sun 30/8

13:44-11:10

1 stop13h 26m

£511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 16/4

10:35-17:47

1 stop15h 12m

Ontario

Sun 19/4

13:27-11:10

1 stop13h 43m

£511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 25/4

16:15-22:45

1 stop14h 30m

Ontario

Sat 2/5

13:30-11:10

1 stop13h 40m

£511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 4/7

13:40-21:57

1 stop16h 17m

Ontario

Sat 11/7

16:20-14:10

1 stop13h 50m

£511

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 5/8

11:00-18:17

1 stop15h 17m

Ontario

Mon 17/8

13:00-11:05

1 stop14h 05m

£549

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 22/4

16:25-23:46

1 stop15h 21m

Ontario

Mon 4/5

16:52-15:05

1 stop14h 13m

£567

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 15/5

16:10-21:59

1 stop13h 49m

Ontario

Tue 9/6

12:40-10:55

1 stop14h 15m

£584

LondonOntario

LCY - ONT

LCYONT

London City

Tue 19/5

19:00-18:38

2 stops31h 38m

Ontario

Tue 26/5

05:44-11:30

2 stops21h 46m

£587

Flights are sorted by cheapest return flights first.

Deals found on 29/3

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 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 £242). Flying from England to Ontario in July is currently the most expensive (average of £393). 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 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 13h 52m. Fly via United Airlines, British Airways, 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, 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, September is the cheapest month in which you can book a flight from England to Ontario (average of £242). Flying from England to Ontario in July is currently the most expensive (average of £393). 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 3 airlines flying from England to Ontario

Discover the top 3 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 3 April 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest£375Average£548FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£380Average£509FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£384Average£561FlexibilityNo cancel feeOn-time70%
Search British Airways 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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