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Cheap flights from Ontario to England from £153

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 22/7. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LHR
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to England

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to England
Explore the most affordable flight options available from Ontario to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 February 2026.

Tue 3/306:10
ONT
-
EDI
2 stops17h 45m
United Airlines
Mon 9/311:30
EDI
-
ONT
2 stops17h 48m
United Airlines
Deal found 1/2£459
Sun 5/417:02
ONT
-
EDI
2 stops17h 43m
British Airways
Tue 14/409:15
EDI
-
ONT
2 stops19h 39m
British Airways
Deal found 1/2£462
Thu 5/307:30
ONT
-
LHR
1 stop19h 00m
KLM
Thu 12/306:30
LHR
-
ONT
2 stops21h 30m
KLM
Deal found 2/2£464
Mon 30/317:02
ONT
-
MAN
2 stops20h 33m
British Airways
Tue 21/408:35
MAN
-
ONT
2 stops22h 00m
British Airways
Deal found 2/2£467
Thu 5/306:00
ONT
-
LHR
2 stops17h 05m
Delta
Thu 12/306:30
LHR
-
ONT
2 stops17h 42m
Delta
Deal found 2/2£467
Wed 18/306:15
ONT
-
LHR
1 stop22h 45m
United Airlines
Wed 25/308:30
LHR
-
ONT
2 stops21h 06m
United Airlines
Deal found 1/2£472
Sun 29/312:22
ONT
-
MAN
2 stops25h 08m
British Airways
Tue 14/420:05
MAN
-
ONT
2 stops30h 32m
British Airways
Deal found 1/2£475
Tue 17/306:00
ONT
-
LHR
1 stop21h 00m
Delta
Tue 31/311:45
LHR
-
ONT
2 stops37h 28m
Delta
Deal found 1/2£475
Wed 8/406:00
ONT
-
LHR
1 stop20h 00m
Virgin Atlantic
Wed 15/411:45
LHR
-
ONT
2 stops18h 52m
Virgin Atlantic
Deal found 31/1£475
Wed 2/912:47
ONT
-
EDI
2 stops17h 53m
British Airways
Wed 16/909:15
EDI
-
ONT
2 stops20h 35m
British Airways
Deal found 31/1£476
Mon 2/314:39
ONT
-
LHR
1 stop13h 01m
British Airways
Mon 9/314:25
LHR
-
ONT
1 stop14h 42m
British Airways
Deal found 1/2£478
Tue 3/314:39
ONT
-
LHR
1 stop13h 01m
British Airways
Tue 10/314:20
LHR
-
ONT
1 stop14h 47m
British Airways
Deal found 30/1£478

Find flight deals from Ontario to England

Keep the following information in mind while searching for Ontario to England flight deals. Data was last updated 2 February 2026.

Round-trip from

£459

One-way from

£153

Popular in

December

Cheapest in

September

Average price

£478
United Airlines
  • United Airlines
  • 3/3-8/3
  • 4 total stops
  • 35h 23m total
  • Ontario to England
Search Deals
British Airways
  • British Airways
  • 22/7
  • 2 total stops
  • 19h 19m total
  • Ontario to England
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£15 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 Ontario to England 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 2 February 2026.
Use the filters below to find and compare flights from Ontario to England that are best for you.

Fly from

Ontario

Fly to

England

Route

Depart

Return

Price

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Thu 5/3

07:30-10:30

1 stop19h 00m

London Heathrow

Thu 12/3

06:30-17:12

2 stops17h 42m

£464

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Wed 18/3

13:40-12:00

1 stop15h 20m

London Heathrow

Wed 25/3

09:30-22:36

2 stops20h 06m

£472

OntarioManchester

ONT - MAN

ONTMAN

Ontario

Sun 29/3

12:22-21:30

2 stops25h 08m

Manchester

Tue 14/4

20:05-18:37

2 stops30h 32m

£475

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Wed 8/4

11:59-12:10

1 stop16h 11m

London Heathrow

Wed 22/4

06:30-22:37

2 stops24h 07m

£475

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 7/4

13:20-11:00

1 stop13h 40m

London Heathrow

Wed 22/4

06:30-17:15

2 stops18h 45m

£475

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Wed 15/4

11:53-13:05

2 stops17h 12m

London Heathrow

Tue 5/5

06:30-17:15

2 stops18h 45m

£479

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Mon 4/5

14:08-16:35

2 stops18h 27m

Edinburgh Turnhouse

Thu 14/5

21:10-16:22

2 stops27h 12m

£481

OntarioManchester

ONT - MAN

ONTMAN

Ontario

Wed 1/4

07:00-10:25

2 stops19h 25m

Manchester

Tue 7/4

10:35-22:26

2 stops19h 51m

£484

OntarioManchester

ONT - MAN

ONTMAN

Ontario

Tue 21/4

07:00-10:25

2 stops19h 25m

Manchester

Wed 29/4

10:35-22:45

2 stops20h 10m

£484

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Thu 12/3

13:40-12:00

1 stop15h 20m

London Heathrow

Sat 21/3

13:45-22:57

1 stop16h 12m

£485

Flights are sorted by cheapest return flights first.

Deals found on 31/1

Showing 1-10 of 60 results
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Best time to book a flight from Ontario to England

Have a flexible travel schedule? Discover the best time to fly to England from Ontario 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 Ontario to England

What is the cheapest month to book a flight from Ontario to England?

Currently, October is the cheapest month in which you can book a flight from Ontario to England (average of £162). Flying from Ontario to England in June is currently the most expensive (average of £419). 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 Ontario to England. 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 from for flights from Ontario to England?

    Located just 3.1 mi from the city center, Ontario (ONT) is the airport most travelers will use when flying to England from Ontario.

  • How long is the flight from Ontario to England?

    KLM, United Airlines, and British Airways can get you from Ontario to England in just under 15h 20m. Your travel time can differ by up to 9h 48m. Ontario and England are separated by a distance of 5407 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Ontario to England?

    While some choose either Ontario - Edinburgh Turnhouse or Ontario - London Gatwick, Ontario - London Heathrow is the most popular route from Ontario to England.

  • Can I find deals for flights from Ontario to England that include hotel bookings?

    Yes. In addition to deals on Ontario to England flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to England?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to England.

  • Can I find deals for business class flights from Ontario to England?

    Yes. Cheapflights offers flight deals from Ontario to England 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 Ontario to England?

    Currently, October is the cheapest month in which you can book a flight from Ontario to England (average of £162). Flying from Ontario to England in June is currently the most expensive (average of £419). 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

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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 Ontario to England?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to England. 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 Ontario to England?

Cheapflights simply makes it quick and affordable to book flights from Ontario to England by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

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

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

Of course! You can now track prices for flights from Ontario to England and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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