HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$375+ 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 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — ONT
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from England to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$505
(World Air Fares)

One-way from

$375
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$597
Provider with most accurate pricing for London (LON)-Los Angeles flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Los Angeles flights.
Search Deals
From England to Ontario
Search Deals
One-way flight from England to Ontario
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($74 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 28, 2025.

This World Air Fares deal was found by Cheapflights users on 3/26. 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.
Fri 5/212:20 pmLGW - ONT
2 stops19h 30mFinnair
Sun 5/410:40 pmONT - LGW
2 stops25h 30mFinnair
Deal found 3/26$505
This TravelUp deal was found by Cheapflights users on 3/26. 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.
Wed 5/711:45 amLHR - ONT
2 stops19h 57mVirgin Atlantic
Sat 5/171:10 pmONT - LHR
2 stops16h 00mVirgin Atlantic
Deal found 3/26$519
This World Air Fares deal was found by Cheapflights users on 3/26. 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.
Fri 4/2512:20 pmLGW - ONT
2 stops19h 30mMultiple Airlines
Fri 5/211:59 pmONT - LGW
2 stops24h 11mMultiple Airlines
Deal found 3/26$523
This TravelUp deal was found by Cheapflights users on 3/27. 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.
Tue 5/66:30 amLHR - ONT
2 stops18h 14mKLM
Tue 5/1310:01 amONT - LHR
1 stop15h 49mKLM
Deal found 3/27$527
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/511:30 amEDI - ONT
2 stops20h 06mBritish Airways
Sun 9/285:09 pmONT - EDI
2 stops16h 36mBritish Airways
Deal found 3/27$540
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 9/123:10 pmLHR - ONT
1 stop16h 26mAmerican Airlines
Mon 9/223:00 pmONT - LHR
1 stop13h 30mAmerican Airlines
Deal found 3/27$545
This British Airways deal was found by Cheapflights users on 3/27. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/234:25 pmLHR - ONT
1 stop15h 25mBritish Airways
Wed 4/306:00 amONT - LHR
1 stop16h 25mBritish Airways
Deal found 3/27$546
This Iberia deal was found by Cheapflights users on 3/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:50 amLHR - ONT
2 stops20h 46mIberia
Wed 9/1712:49 pmONT - LHR
1 stop14h 01mIberia
Deal found 3/27$548
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 5/106:30 amLHR - ONT
2 stops19h 50mDelta
Sat 5/177:05 amONT - LHR
2 stops18h 55mDelta
Deal found 3/26$550
This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 5/1010:00 amLCY - ONT
2 stops20h 35mDelta
Wed 5/141:10 pmONT - LCY
2 stops19h 30mDelta
Deal found 3/27$591
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/119:30 amLHR - ONT
2 stops18h 47mUnited Airlines
Wed 9/176:36 pmONT - LHR
2 stops31h 04mUnited Airlines
Deal found 3/27$593
This TravelUp deal was found by Cheapflights users on 3/27. 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.
Fri 9/59:00 amEDI - ONT
1 stop18h 29mKLM
Sun 9/2812:00 pmONT - EDI
1 stop16h 05mKLM
Deal found 3/27$606

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 March 28, 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

Fri 5/2

12:20 pm-11:50 pm

2 stops19h 30m

Ontario

Sun 5/4

10:40 pm-8:10 am

2 stops25h 30m

$505

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 5/7

11:45 am-11:42 pm

2 stops19h 57m

Ontario

Sat 5/17

1:10 pm-1:10 pm

2 stops16h 00m

$519

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 4/25

12:20 pm-11:50 pm

2 stops19h 30m

Ontario

Fri 5/2

11:59 pm-8:10 am

2 stops24h 11m

$523

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 5/6

6:30 am-4:44 pm

2 stops18h 14m

Ontario

Tue 5/13

10:01 am-9:50 am

1 stop15h 49m

$527

EdinburghOntario

EDI - ONT

EDIONT

Edinburgh Turnhouse

Fri 9/5

11:30 am-11:36 pm

2 stops20h 06m

Ontario

Sun 9/28

5:09 pm-5:45 pm

2 stops16h 36m

$540

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Fri 9/12

3:10 pm-11:36 pm

1 stop16h 26m

Ontario

Mon 9/22

3:00 pm-12:30 pm

1 stop13h 30m

$545

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/23

4:25 pm-11:50 pm

1 stop15h 25m

Ontario

Wed 4/30

6:00 am-6:25 am

1 stop16h 25m

$546

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Thu 9/11

10:50 am-11:36 pm

2 stops20h 46m

Ontario

Wed 9/17

12:49 pm-10:50 am

1 stop14h 01m

$548

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Sat 5/10

6:30 am-6:20 pm

2 stops19h 50m

Ontario

Sat 5/17

7:05 am-10:00 am

2 stops18h 55m

$550

LondonOntario

LCY - ONT

LCYONT

London City

Sat 5/10

10:00 am-10:35 pm

2 stops20h 35m

Ontario

Wed 5/14

1:10 pm-4:40 pm

2 stops19h 30m

$591

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

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 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 $326). 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 March 28, 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 March 28, 2025.
To help decide which airline to fly from England to Ontario, see what other customers have to say about Delta, KLM and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
Delta
8.0
Very good
7,897 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
KLM
7.8
Good
1,321 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
Finnair
7.6
Good
1,267 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
Air France
7.4
Good
1,424 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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
United Airlines
7.4
Good
8,603 reviews
Delta
8.0
Very good
7,897 reviews

Entertainment

7.9

Overall

8.0

Comfort

8.0

Food

7.3

Boarding

8.2

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 $520 on Lufthansa. Other airlines that offer cheap prices include WestJet from $682 and Air France from $698 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, Manchester - Ontario or London Gatwick - 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 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 $326). 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.
Heathrow to Los Angeles flights
Heathrow to San Francisco flights
Heathrow to Las Vegas flights
London City to Los Angeles flights
Gatwick to Los Angeles flights
Gatwick to San Francisco flights
London City to San Francisco flights
Gatwick to Las Vegas flights
Luton to Los Angeles flights
Heathrow to Ontario flights
London City to Las Vegas flights
Heathrow to Santa Ana flights
Stansted to Los Angeles flights
Heathrow to Long Beach flights
Heathrow to San Diego flights
Heathrow to San Jose flights
Heathrow to Burbank flights
Heathrow to Oakland flights
Gatwick to San Jose flights
Stansted to San Francisco flights
Manchester to Las Vegas flights
Manchester to Los Angeles flights
Manchester to San Francisco flights
Luton to San Francisco flights
Gatwick to Oakland flights
Stansted to Las Vegas flights
Luton to Las Vegas flights
Gatwick to San Diego flights
Manchester to San Jose flights
Manchester to Oakland flights
Heathrow to Reno flights
Manchester to Ontario flights
Birmingham to Los Angeles flights
Edinburgh to Los Angeles flights
Manchester to Santa Ana flights
Heathrow to Sacramento flights
Edinburgh to San Francisco flights
Glasgow Intl to San Francisco flights
Edinburgh to Las Vegas flights
Birmingham to San Francisco flights
Glasgow Intl to Los Angeles flights

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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$662Average$836FlexibilityNo cancel feeOn-time69%
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.