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Cheap flights from Ontario to England from £222

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LHR
16 Sep — 23 Sep1
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 17 August 2026.

Wed 18/1112:02 -
1 stop16h 18m
Wed 2/1214:45 -
1 stop15h 54m
Deal found 16/8£595
Wed 9/1206:00 -
1 stop22h 20m
Mon 14/1214:45 -
1 stop15h 54m
Deal found 13/8£596
Wed 18/1112:02 -
1 stop16h 18m
Wed 25/1114:45 -
1 stop32h 20m
Deal found 13/8£600
Sat 14/1116:09 -
1 stop36h 11m
Wed 18/1114:45 -
1 stop32h 28m
Deal found 16/8£608
Wed 30/922:39 -
1 stop14h 06m
Wed 7/1017:00 -
1 stop28h 16m
Deal found 16/8£615
Sun 22/1112:42 -
1 stop13h 18m
Mon 14/1214:45 -
1 stop15h 54m
Deal found 16/8£618
Mon 23/1106:00 -
1 stop22h 20m
Mon 30/1113:15 -
1 stop13h 50m
Deal found 14/8£618
Sat 14/1116:09 -
1 stop36h 11m
Mon 30/1113:15 -
1 stop13h 50m
Deal found 12/8£626
Sun 11/1023:05 -
1 stop13h 40m
Tue 13/1006:15 -
2 stops21h 39m
Deal found 13/8£628
Fri 27/1112:42 -
1 stop13h 18m
Sun 13/1214:45 -
1 stop15h 54m
Deal found 16/8£632
Fri 4/1214:22 -
1 stop13h 38m
Mon 7/1214:45 -
1 stop15h 54m
Deal found 16/8£632
Tue 17/1106:00 -
2 stops16h 30m
Sat 21/1106:00 -
2 stops20h 57m
Deal found 16/8£634

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 17 August 2026.

Round-trip from

£571

One-way from

£222

Popular in

June

Cheapest in

February

Average price

£647
United Airlines
  • United Airlines
  • 7/2-10/2
  • 4 total stops
  • 62h 45m total
  • Ontario to England
Search Deals
11/11
  • 11/11
  • 3 total stops
  • 31h 00m total
  • Ontario to England
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£121 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 17 August 2026.
Use the filters below to find and compare flights from Ontario to England that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioBirmingham

ONT Ontario - BHX Birmingham

ONTBHX

Ontario

Mon 11/1

16:03-12:30

2 stops36h 27m

Birmingham

Thu 14/1

06:00-20:20

2 stops22h 20m

£603

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Wed 18/11

12:02-12:20

1 stop16h 18m

London Heathrow

Fri 27/11

14:45-23:04

1 stop16h 19m

£649

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Wed 10/2

12:00-12:20

1 stop16h 20m

London Heathrow

Fri 26/2

14:45-22:39

1 stop15h 54m

£649

OntarioNewcastle upon Tyne

ONT Ontario - NCL Newcastle upon Tyne

ONTNCL

Ontario

Wed 25/11

07:00-19:50

2 stops28h 50m

Newcastle upon Tyne

Sun 6/12

15:05-23:46

2 stops40h 41m

£659

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Mon 14/9

22:39-20:45

1 stop14h 06m

London Heathrow

Sat 3/10

11:55-20:57

1 stop17h 02m

£663

OntarioLondon

ONT Ontario - LHR London Heathrow

ONTLHR

Ontario

Mon 28/9

22:39-20:45

1 stop14h 06m

London Heathrow

Fri 16/10

08:15-22:09

1 stop21h 54m

£663

OntarioEdinburgh

ONT Ontario - EDI Edinburgh Turnhouse

ONTEDI

Ontario

Mon 23/11

06:00-16:05

2 stops26h 05m

Edinburgh Turnhouse

Fri 27/11

05:40-22:08

2 stops24h 28m

£663

OntarioEdinburgh

ONT Ontario - EDI Edinburgh Turnhouse

ONTEDI

Ontario

Tue 15/9

07:00-08:25

1 stop17h 25m

Edinburgh Turnhouse

Tue 22/9

09:40-20:01

2 stops18h 21m

£677

OntarioManchester

ONT Ontario - MAN Manchester

ONTMAN

Ontario

Fri 4/12

06:45-10:20

2 stops19h 35m

Manchester

Tue 8/12

06:10-18:44

2 stops20h 34m

£687

OntarioNewcastle upon Tyne

ONT Ontario - NCL Newcastle upon Tyne

ONTNCL

Ontario

Thu 26/11

13:27-15:45

2 stops18h 18m

Newcastle upon Tyne

Sun 6/12

11:20-23:46

2 stops20h 26m

£688

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Ontario to England (average of £482). Flying from Ontario to England in July is currently the most expensive (average of £980). 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 Ontario to England?

Airfare is below average for this route at the moment.
Ontario to England flights typically cost between £683 and £805 in February.
The cheapest return price found within the last 5 days was £571 on United Airlines (7 Feb–10 Feb).

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?

    United Airlines, Alaska Airlines, and Delta can get you from Ontario to England in just under 16h 20m. Your travel time can differ by up to 20h 07m. 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 - London Gatwick or Ontario - Manchester, 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, March is the cheapest month in which you can book a flight from Ontario to England (average of £482). Flying from Ontario to England in July is currently the most expensive (average of £980). 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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Why should you use Cheapflights to find cheap flight tickets from Ontario to England?

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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.

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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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