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Cheap flights from Ontario to England from £213

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — LHR
18 Jun — 25 Jun1
1 adult

Cheap flight deals from Ontario to England

Keep the following information in mind while searching for Ontario to England flight deals. Data was last updated 13 June 2025.

Round-trip from

£385

One-way from

£213

Popular in

December

Cheapest in

October

Average price

£615
Delta
  • Delta
  • 15/10-11/11
  • 3 total stops
  • 34h 48m total
  • Ontario to England
Search Deals
24/9
  • 24/9
  • 2 total stops
  • 31h 16m total
  • Ontario to England
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£40 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

Find flight deals from Ontario to England

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 13 June 2025.

Wed 15/1011:29ONT - LHR
1 stop15h 51mDelta
Tue 11/1106:20LHR - ONT
2 stops18h 57mDelta
Deal found 13/6£385
Tue 21/1013:00ONT - LHR
1 stop12h 50mKLM
Wed 29/1009:20LHR - ONT
1 stop17h 22mKLM
Deal found 12/6£391
Tue 19/811:45ONT - EDI
1 stop16h 20mDelta
Sat 30/809:00EDI - ONT
2 stops21h 40mDelta
Deal found 13/6£443
Tue 9/1217:09ONT - LHR
1 stop12h 11mBritish Airways
Tue 16/1214:55LHR - ONT
1 stop15h 03mBritish Airways
Deal found 12/6£467
Sun 19/1015:00ONT - LGW
2 stops21h 00mIberia
Wed 29/1011:00LGW - ONT
2 stops31h 35mIberia
Deal found 12/6£477
Sun 3/813:34ONT - LHR
1 stop14h 46mUnited Airlines
Tue 19/814:50LHR - ONT
1 stop13h 53mUnited Airlines
Deal found 12/6£478
Wed 3/913:10ONT - MAN
2 stops18h 25mAmerican Airlines
Wed 10/908:10MAN - ONT
2 stops22h 23mAmerican Airlines
Deal found 12/6£481
Sun 5/1014:30ONT - LHR
1 stop15h 55mIberia
Tue 14/1006:10LHR - ONT
2 stops25h 52mIberia
Deal found 11/6£484
Mon 1/918:38ONT - EDI
2 stops28h 42mAir Canada
Fri 12/909:00EDI - ONT
2 stops43h 43mAir Canada
Deal found 11/6£484
Sun 27/711:40ONT - LHR
1 stop17h 50mMultiple Airlines
Sun 3/813:25LHR - ONT
1 stop17h 22mMultiple Airlines
Deal found 12/6£489
Tue 7/1007:02ONT - EDI
1 stop17h 23mUnited Airlines
Fri 17/1009:40EDI - ONT
2 stops19h 44mUnited Airlines
Deal found 12/6£491
Tue 2/918:50ONT - MAN
2 stops31h 30mUnited Airlines
Tue 30/909:10MAN - ONT
2 stops20h 14mUnited Airlines
Deal found 11/6£494

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 13 June 2025.
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

Wed 15/10

11:29-11:20

1 stop15h 51m

London Heathrow

Tue 11/11

06:20-17:17

2 stops18h 57m

£385

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 21/10

13:00-09:50

1 stop12h 50m

London Heathrow

Wed 29/10

09:20-19:42

1 stop17h 22m

£391

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Tue 19/8

11:45-12:05

1 stop16h 20m

Edinburgh Turnhouse

Sat 30/8

09:00-22:40

2 stops21h 40m

£443

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Tue 9/12

17:09-13:20

1 stop12h 11m

London Heathrow

Tue 16/12

14:55-21:58

1 stop15h 03m

£467

OntarioLondon

ONT - LGW

ONTLGW

Ontario

Sun 19/10

15:00-20:00

2 stops21h 00m

London Gatwick

Wed 29/10

11:00-11:35

2 stops31h 35m

£477

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Sun 3/8

13:34-12:20

1 stop14h 46m

London Heathrow

Tue 19/8

14:50-20:43

1 stop13h 53m

£478

OntarioManchester

ONT - MAN

ONTMAN

Ontario

Wed 3/9

13:10-15:35

2 stops18h 25m

Manchester

Wed 10/9

08:10-22:33

2 stops22h 23m

£481

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Sun 5/10

14:30-14:25

1 stop15h 55m

London Heathrow

Tue 14/10

06:10-00:02

2 stops25h 52m

£484

OntarioEdinburgh

ONT - EDI

ONTEDI

Ontario

Mon 1/9

18:38-07:20

2 stops28h 42m

Edinburgh Turnhouse

Fri 12/9

09:00-20:43

2 stops43h 43m

£484

OntarioLondon

ONT - LHR

ONTLHR

Ontario

Sun 27/7

11:40-13:30

1 stop17h 50m

London Heathrow

Sun 3/8

13:25-22:47

1 stop17h 22m

£489

Flights are sorted by cheapest return flights first.

Deals found on 11/6

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, January is the cheapest month in which you can book a flight from Ontario to England (average of £112). Flying from Ontario to England in August is currently the most expensive (average of £164). 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 ONT to ENG?

Find hourly flight availability from Ontario to England. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 June 2025.

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

Rainfall in England by month

Plan your trip to England by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in England ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit England when rainfall is around 40.0 mm.

Temperature in England by month

Plan your trip to England by taking into account the average temperature totals by month.

If weather is an important factor for your trip to England, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing England

Get insights into the airlines that provide service to England. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to England. Reviews last updated 13 June 2025.
Peruse reviews from past customers who have flown with Delta, KLM and United Airlines from Ontario to England to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Virgin Atlantic
7.4
Good
652 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines to fly from Ontario to England one-way?

    One-way options have recently been found by users for as low as £290 on JetBlue. Other airlines that offer cheap prices include Delta from £292 and United Airlines from £294 one-way.

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

    While some choose either Ontario - Edinburgh Turnhouse 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, January is the cheapest month in which you can book a flight from Ontario to England (average of £112). Flying from Ontario to England in August is currently the most expensive (average of £164). 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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Alternative routes for Ontario to England

See prices for flight routes from nearby airports that may be better suited for you.
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