Ontario

$472+ Cheap flights from England to Ontario (ONT)

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$484
(Finnair)

One-way from

$472
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$667
From England to Ontario
One-way flight from England to Ontario
Highest demand for flights based on searches. 10% potential increase in price ($74 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from England to Ontario

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 June 12, 2025.

This Finnair deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/83:05 pmLGW - ONT
2 stops28h 51mMultiple Airlines
Mon 9/1510:35 pmONT - LGW
2 stops25h 35mMultiple Airlines
Deal found 6/10$484
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/23:05 pmLGW - ONT
2 stops28h 51mAmerican Airlines
Tue 9/94:45 pmONT - LGW
2 stops31h 25mAmerican Airlines
Deal found 6/11$495
This Netflights deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/14:25 pmLHR - ONT
1 stop15h 42mBritish Airways
Tue 9/304:45 pmONT - LHR
1 stop13h 55mBritish Airways
Deal found 6/11$503
This Netflights deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:45 amLHR - ONT
2 stops20h 01mVirgin Atlantic
Wed 9/2412:00 pmONT - LHR
1 stop17h 30mVirgin Atlantic
Deal found 6/10$505
This TravelUp deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/86:30 amLHR - ONT
2 stops18h 41mKLM
Mon 9/159:55 amONT - LHR
1 stop15h 55mKLM
Deal found 6/10$507
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:00 pmLHR - ONT
1 stop14h 24mAmerican Airlines
Wed 9/101:10 pmONT - LHR
1 stop15h 40mAmerican Airlines
Deal found 6/11$526
This Delta deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/186:30 amLHR - ONT
2 stops34h 25mDelta
Thu 9/1111:29 amONT - LHR
1 stop18h 46mDelta
Deal found 6/12$531
This Netflights deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Netflights is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/178:40 amLCY - ONT
2 stops23h 06mVirgin Atlantic
Wed 9/247:00 amONT - LCY
2 stops18h 30mVirgin Atlantic
Deal found 6/10$575
This World Air Fares deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure World Air Fares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/810:30 amLHR - ONT
1 stop20h 04mFinnair
Tue 7/154:45 pmONT - LHR
1 stop13h 55mFinnair
Deal found 6/11$598
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:00 amEDI - ONT
2 stops22h 46mDelta
Wed 9/246:45 amONT - EDI
2 stops20h 00mDelta
Deal found 6/11$612
This KLM deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/179:00 amEDI - ONT
1 stop21h 41mKLM
Wed 9/2410:59 pmONT - EDI
1 stop25h 01mKLM
Deal found 6/11$617
This TravelUp deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:05 amBHX - ONT
2 stops21h 37mKLM
Mon 9/156:45 amONT - BHX
2 stops22h 00mKLM
Deal found 6/10$626

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated June 12, 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

LGW - ONT

LGWONT

London Gatwick

Mon 9/8

3:05 pm-11:56 am

2 stops28h 51m

Ontario

Mon 9/15

10:35 pm-8:10 am

2 stops25h 35m

$484

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 9/2

3:05 pm-11:56 am

2 stops28h 51m

Ontario

Tue 9/9

4:45 pm-8:10 am

2 stops31h 25m

$495

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/1

8:20 am-6:24 pm

1 stop18h 04m

Ontario

Tue 9/30

8:15 am-6:25 am

1 stop14h 10m

$503

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 9/17

11:45 am-11:46 pm

2 stops20h 01m

Ontario

Wed 9/24

12:00 pm-1:30 pm

1 stop17h 30m

$505

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/8

6:30 am-5:11 pm

2 stops18h 41m

Ontario

Mon 9/15

9:55 am-9:50 am

1 stop15h 55m

$507

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 9/2

12:00 pm-6:24 pm

1 stop14h 24m

Ontario

Tue 9/9

4:45 pm-12:50 pm

1 stop12h 05m

$526

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 8/18

6:30 am-8:55 am

2 stops34h 25m

Ontario

Thu 9/11

11:29 am-2:15 pm

1 stop18h 46m

$531

LondonOntario

LCY - ONT

LCYONT

London City

Wed 9/17

8:40 am-11:46 pm

2 stops23h 06m

Ontario

Wed 9/24

7:00 am-9:30 am

2 stops18h 30m

$575

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 7/8

10:30 am-10:34 pm

1 stop20h 04m

Ontario

Tue 7/15

4:45 pm-2:40 pm

1 stop13h 55m

$598

EdinburghOntario

EDI - ONT

EDIONT

Edinburgh Turnhouse

Wed 9/17

9:00 am-11:46 pm

2 stops22h 46m

Ontario

Wed 9/24

6:45 am-10:45 am

2 stops20h 00m

$612

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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 round-trip 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, August is the cheapest month in which you can book a flight from England to Ontario (average of $246). Flying from England to Ontario in March is currently the most expensive (average of $328). 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from England to Ontario as you normally would.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated June 12, 2025.
To help decide which airline to fly from England to Ontario, see what other customers have to say about Delta, Alaska Airlines and KLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
8.0
Very good

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Overall

8.0

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

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

  • 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 $593 on British Airways. Other airlines that offer cheap prices include Iberia from $629 and JetBlue from $792 one-way.

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

  • 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 vacation 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, August is the cheapest month in which you can book a flight from England to Ontario (average of $246). Flying from England to Ontario in March is currently the most expensive (average of $328). 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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Top airline flying from England to Ontario

Discover the top airline 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 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$560Average$694FlexibilityNo cancel feeOn-time69%

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