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.

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

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 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular routes from England to Ontario?

When deciding which route to take from England to Ontario consider London Heathrow - Ontario, London Gatwick - Ontario or Manchester - Ontario as they are the most popular.

What are the most popular airlines that fly from England to Ontario?

Before booking your flight from England to Ontario check out the most popular airlines for this route: Finnair, British Airways or KLM.

How far in advance should I book a flight from England to Ontario?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 8 days in advance, which can save you up to 32% on flights from England to Ontario compared to booking the week you need them. Waiting 8 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £423. For sooner than that we have options available in the next 3 days from £672.

What is the cheapest month to fly from England to Ontario?

The best pricing can be found in the month of February. Prices to Ontario from England average £478. You can even find prices in February for less than £478, as users have found deals to Ontario from as low as £340. The month of August appears to be one of the more expensive times to travel to Ontario from England. Flying in the targeted month can save you up to 24%.

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.

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.

£391+ Flights from England to Ontario

Cheap flight deals from England to Ontario

Round-trip from	£391
Popular in	August
Cheapest in	February
Average price	£485

Finnair
27/9-11/10
4 total stops
35h 45m total
England to Ontario

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£38 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£8 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

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

Best flights from England to Ontario
Discover carefully curated flight deals from England to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 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

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

Fri 29/811:55LHR - ONT

1 stop18h 04mJetBlue

Sun 21/922:56ONT - LHR

1 stop13h 49mJetBlue

Deal found 26/6£558

Sat 6/910:30LHR - ONT

1 stop16h 24mFinnair

Wed 10/913:10ONT - LHR

1 stop15h 40mFinnair

Deal found 26/6£452

Last-minute flights from England to Ontario
Discover last-minute flight deals from England to Ontario. Data last updated 27 June 2025 and is based on user searches.

Tue 1/712:00LGW - ONT

2 stops18h 25mDelta

Sun 6/722:05ONT - LGW

2 stops27h 55mDelta

Deal found 26/6£871

Tue 1/712:00LGW - ONT

2 stops18h 25mKLM

Tue 8/711:40ONT - LGW

2 stops38h 20mKLM

Deal found 25/6£887

Tue 1/714:05LHR - ONT

2 stops30h 27mAir Canada

Mon 14/718:39ONT - LHR

2 stops34h 41mAir Canada

Deal found 25/6£781

Wed 2/716:25LHR - ONT

1 stop15h 34mIberia

Wed 16/710:53ONT - LHR

1 stop14h 07mIberia

Deal found 25/6£511

Wed 2/710:30LHR - ONT

1 stop16h 31mBritish Airways

Fri 25/708:15ONT - LHR

1 stop14h 10mBritish Airways

Deal found 25/6£533

Wed 2/714:50LHR - ONT

1 stop14h 04mUnited Airlines

Mon 7/713:34ONT - LHR

1 stop12h 06mUnited Airlines

Deal found 26/6£885

Thu 3/710:55LHR - ONT

1 stop13h 33mKLM

Tue 21/413:00ONT - LHR

1 stop12h 50mKLM

Deal found 25/6£474

Thu 3/716:25LHR - ONT

1 stop15h 34mAmerican Airlines

Sun 13/710:53ONT - LHR

1 stop14h 07mAmerican Airlines

Deal found 25/6£492

Thu 3/714:10LHR - ONT

2 stops30h 04mAir Canada

Thu 10/705:05ONT - LHR

2 stops17h 30mAir Canada

Deal found 25/6£1,072

Thu 3/710:55LHR - ONT

1 stop13h 33mDelta

Thu 17/714:14ONT - LHR

1 stop13h 06mDelta

Deal found 25/6£1,193

Fri 4/709:00EDI - ONT

1 stop21h 14mKLM

Sat 12/711:40ONT - EDI

1 stop36h 20mKLM

Deal found 25/6£1,349

Sat 5/710:55LHR - ONT

1 stop13h 33mVirgin Atlantic

Fri 18/709:44ONT - LHR

1 stop16h 06mVirgin Atlantic

Deal found 26/6£501

One-way flights from England to Ontario
Search for one-way flight options from England to Ontario. Find affordable one-way fares based on user searches. Data last updated 27 June 2025.

Wed 10/912:00LHR - ONT

1 stop14h 54mIberia

Deal found 26/6£466

Tue 23/912:00LHR - ONT

1 stop14h 54mBritish Airways

Deal found 26/6£468

Wed 3/920:40LGW - ONT

2 stops30h 14mIberia

Deal found 25/6£536

Mon 14/706:45LCY - ONT

2 stops23h 25mMultiple Airlines

Deal found 25/6£549

Fri 15/811:15LHR - ONT

1 stop14h 37mMultiple Airlines

Deal found 26/6£559

Tue 5/821:20EDI - ONT

2 stops28h 32mBritish Airways

Deal found 25/6£562

Wed 17/908:15LHR - ONT

1 stop21h 14mJetBlue

Deal found 25/6£565

Mon 6/1022:05LHR - ONT

2 stops31h 50mAvianca

Deal found 24/6£592

Sat 26/711:30EDI - ONT

1 stop18h 29mJetBlue

Deal found 26/6£613

Fri 11/710:00LHR - ONT

1 stop19h 37mLufthansa

Deal found 26/6£632

Tue 16/1214:55LHR - ONT

1 stop15h 03mFinnair

Deal found 25/6£696

Mon 15/1208:25LHR - ONT

2 stops21h 33mAmerican Airlines

Deal found 26/6£709

Cheapflights Fare Finder

Use the filters below to find and compare flights from England to Ontario that are best for you.

Fly from

Fly to

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

...

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?

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

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.

Delta

8.0

Very Good

7,963 reviews

Check prices

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

Delta

8.0

Very Good

7,963 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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

KLM

7.8

Good

1,365 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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

Finnair

7.6

Good

1,298 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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

United Airlines

7.4

Good

8,838 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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

Virgin Atlantic

7.4

Good

654 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

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

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?
When deciding which route to take from England to Ontario consider London Heathrow - Ontario, London Gatwick - Ontario or Manchester - Ontario as they are the most popular.
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

Alternative routes for England to Ontario

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Top 6 airlines flying from England to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest£351	Average£428	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
KLM	Cheapest£370	Average£586	FlexibilityNo cancel fee	On-time75%	Search KLM flights
British Airways	Cheapest£370	Average£559	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£387	Average£628	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest£398	Average£499	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£422	Average£542	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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.

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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.

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.

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

Popular in

Cheapest in

Average price

Find flight deals from England to Ontario

Cheapest flights from England to OntarioExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from England to Ontario that are best for you.

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.

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?

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.

Reviews of airlines servicing Ontario

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.

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?

What are the cheapest airlines to fly from England to Ontario 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?

How can I find direct flights from England to Ontario?

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

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

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

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?

Why should you use Cheapflights to find cheap flight tickets from England to Ontario?

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

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

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Book with Flexibility

Travel Smart

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.