Find flights
When to book
Airlines
FAQs

Cheap flights from England to Ontario from £391

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/9. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
2 Jul — 9 Jul1
1 adult

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 27 June 2025.

Round-trip from

£391

Popular in

August

Cheapest in

February

Average price

£485
Finnair
  • Finnair
  • 27/9-11/10
  • 4 total stops
  • 35h 45m total
  • England to Ontario
Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return 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 27 June 2025.

Sat 27/912:20LGW - ONT
2 stops18h 13mFinnair
Sat 11/1006:38ONT - LGW
2 stops17h 32mFinnair
Deal found 26/6£391
Mon 24/1110:15LHR - ONT
1 stop15h 34mBritish Airways
Fri 5/1212:53ONT - LHR
1 stop14h 47mBritish Airways
Deal found 25/6£418
Mon 24/1119:40LHR - ONT
2 stops21h 48mIberia
Fri 5/1208:48ONT - LHR
1 stop17h 12mIberia
Deal found 25/6£420
Mon 10/1116:10LHR - ONT
1 stop14h 32mVirgin Atlantic
Thu 20/1111:29ONT - LHR
1 stop15h 31mVirgin Atlantic
Deal found 26/6£424
Tue 25/1106:30LHR - ONT
2 stops21h 12mDelta
Fri 5/1211:29ONT - LHR
1 stop15h 31mDelta
Deal found 26/6£425
Sat 1/1109:20LHR - ONT
1 stop17h 22mKLM
Sat 8/1112:00ONT - LHR
1 stop14h 35mKLM
Deal found 26/6£439
Thu 21/810:25LGW - ONT
2 stops33h 07mAmerican Airlines
Sat 6/910:20ONT - LGW
2 stops38h 15mAmerican Airlines
Deal found 26/6£441
Sat 6/910:30LHR - ONT
1 stop16h 24mFinnair
Wed 10/913:10ONT - LHR
1 stop15h 40mFinnair
Deal found 26/6£452
Mon 18/812:00LHR - ONT
1 stop14h 24mAmerican Airlines
Wed 3/916:45ONT - LHR
1 stop12h 05mAmerican Airlines
Deal found 25/6£456
Thu 21/811:15LHR - ONT
1 stop15h 02mMultiple Airlines
Sat 6/910:53ONT - LHR
1 stop14h 07mMultiple Airlines
Deal found 26/6£486
Wed 3/1215:00LHR - ONT
2 stops39h 45mAir Canada
Thu 5/205:40ONT - LHR
2 stops17h 30mAir Canada
Deal found 25/6£490
Fri 26/911:25LHR - ONT
1 stop13h 58mUnited Airlines
Wed 8/1013:53ONT - LHR
1 stop12h 32mUnited Airlines
Deal found 25/6£518

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 27 June 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

Sat 27/9

12:20-22:33

2 stops18h 13m

Ontario

Sat 11/10

06:38-08:10

2 stops17h 32m

£391

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 24/11

10:15-17:49

1 stop15h 34m

Ontario

Fri 5/12

12:53-11:40

1 stop14h 47m

£418

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 24/11

19:40-09:28

2 stops21h 48m

Ontario

Fri 5/12

08:48-10:00

1 stop17h 12m

£420

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 10/11

16:10-22:42

1 stop14h 32m

Ontario

Thu 20/11

11:29-11:00

1 stop15h 31m

£424

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 25/11

06:30-19:42

2 stops21h 12m

Ontario

Fri 5/12

11:29-11:00

1 stop15h 31m

£425

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 1/11

09:20-19:42

1 stop17h 22m

Ontario

Sat 8/11

12:00-10:35

1 stop14h 35m

£439

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 21/8

10:25-11:32

2 stops33h 07m

Ontario

Sat 6/9

10:20-08:35

2 stops38h 15m

£441

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 6/9

10:30-18:54

1 stop16h 24m

Ontario

Wed 10/9

13:10-12:50

1 stop15h 40m

£452

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 18/8

12:00-18:24

1 stop14h 24m

Ontario

Wed 3/9

16:45-12:50

1 stop12h 05m

£456

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 21/8

11:15-18:17

1 stop15h 02m

Ontario

Sat 6/9

10:53-09:00

1 stop14h 07m

£486

Flights are sorted by cheapest return flights first.

Deals found on 26/6

Showing 1-10 of 60 results
1
2
3
...
6

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, March is the cheapest month in which you can book a flight from England to Ontario (average of £516). Flying from England to Ontario in August is currently the most expensive (average of £827). 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 27 June 2025.

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

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 27 June 2025.
Read through reviews of airlines operating flights from England to Ontario, such as Delta, KLM, andFinnair. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

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?

    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.

  • 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 £466 on Iberia. Other airlines that offer cheap prices include British Airways from £468 and JetBlue from £565 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 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, March is the cheapest month in which you can book a flight from England to Ontario (average of £516). Flying from England to Ontario in August is currently the most expensive (average of £827). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for England to Ontario

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

Top 6 airlines flying from England to Ontario

Discover the top 6 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 27 June 2025.
AirlineCheapestAverageFlexibilityOn-time
FinnairCheapest£351Average£428FlexibilityNo cancel feeOn-time76%
Search Finnair flights
KLMCheapest£370Average£586FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapest£370Average£559FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£387Average£628FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AtlanticCheapest£398Average£499FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£422Average£542FlexibilityNo cancel feeOn-time76%
Search Lufthansa 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.