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Cheap flights from London Heathrow Airport to Ontario from £327

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 27/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
LHR — ONT
13 May — 20 May1
1 adult
Mon 13/5
Mon 20/5

The best prices from London Heathrow to Ontario are usually found in November or February, booked 63 days in advance, depart on a Friday or Saturday and return on a Monday

Cheap flight deals from Heathrow to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 May 2024.

Popular in

August

Cheapest in

November

Average price

£609

Round-trip from

£437
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 26% potential price drop
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Average for round-trip flights in May 2024
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From London Heathrow to Ontario
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What is the cheapest day to fly round-trip from London Heathrow Airport to Ontario?

Users have found that leaving on a Thursday can be a cost-effective option. It’s possible to save up to 43% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from London Heathrow Airport to Ontario?

Users have found that booking a flight from London Heathrow Airport to Ontario at least 50 days early can save you up to 13% on average compared to booking a flight this week. If booking 50 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Ontario for as little as £504 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as £611 for flights departing within the next 3 days.

What is the cheapest month to fly from London Heathrow Airport to Ontario?

Flights from London Heathrow Airport to Ontario lean towards being more expensive in July. Prices are generally better when you fly from London Heathrow Airport to Ontario in November, with the cheapest ticket starting at £355.

When is the cheapest time to fly from London Heathrow Airport to Ontario (LHR - ONT)?

It’s optimal to fly from London Heathrow Airport to Ontario in the evening. By choosing this option you can save up to 24% on the cost of your flight, compared to a flight at midday.

Cheap KLM flights from Heathrow to Ontario

Explore cheap flight options specifically provided by KLM for the route between Heathrow and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 8 May 2024.
Peruse some of the lowest-priced KLM flights we've found from London to Ontario. Be sure to come back soon if the deals available don't appeal to you at this time.
Wed 15/511:00LHR - ONT
1 stop20h 43mKLM
Wed 22/513:20ONT - LHR
1 stop12h 40mKLM
Deal found 8/5£431
Wed 30/1012:30LHR - ONT
1 stop16h 58mKLM
Mon 11/1112:45ONT - LHR
1 stop14h 25mKLM
Deal found 7/5£437
Tue 10/911:35LHR - ONT
1 stop15h 47mKLM
Wed 25/913:42ONT - LHR
1 stop12h 18mKLM
Deal found 7/5£441
Sat 18/510:55LHR - ONT
1 stop18h 44mKLM
Tue 28/514:13ONT - LHR
1 stop16h 37mKLM
Deal found 8/5£504
Thu 27/610:55LHR - ONT
1 stop13h 21mKLM
Wed 17/713:20ONT - LHR
1 stop12h 40mKLM
Deal found 8/5£520
Wed 10/711:00LHR - ONT
1 stop13h 17mKLM
Wed 11/913:42ONT - LHR
1 stop12h 18mKLM
Deal found 7/5£526
Wed 5/611:00LHR - ONT
1 stop13h 36mKLM
Wed 12/613:25ONT - LHR
1 stop12h 35mKLM
Deal found 6/5£688
Wed 19/611:00LHR - ONT
1 stop13h 16mKLM
Wed 26/613:25ONT - LHR
1 stop12h 35mKLM
Deal found 7/5£689
Wed 29/511:00LHR - ONT
1 stop13h 36mKLM
Wed 14/813:42ONT - LHR
1 stop12h 18mKLM
Deal found 8/5£702

Cheap British Airways flights from Heathrow to Ontario

Explore cheap flight options specifically provided by British Airways for the route between Heathrow and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 8 May 2024.
Have a look at some of the cheapest available British Airways flights departing from London and landing in Ontario. Make sure to examine the flight information before completing your reservation.
Wed 12/613:05LHR - ONT
1 stop17h 04mBritish Airways
Tue 18/610:54ONT - LHR
1 stop13h 06mBritish Airways
Deal found 7/5£452
Mon 13/516:25LHR - ONT
1 stop15h 31mBritish Airways
Mon 20/514:50ONT - LHR
1 stop13h 25mBritish Airways
Deal found 6/5£468
Wed 11/916:25LHR - ONT
1 stop15h 01mBritish Airways
Mon 16/908:41ONT - LHR
1 stop13h 44mBritish Airways
Deal found 8/5£469
Mon 9/910:30LHR - ONT
1 stop15h 03mBritish Airways
Mon 16/912:45ONT - LHR
1 stop13h 55mBritish Airways
Deal found 7/5£471
Wed 5/606:55LHR - ONT
2 stops20h 02mBritish Airways
Wed 12/610:54ONT - LHR
1 stop13h 06mBritish Airways
Deal found 6/5£476
Tue 14/514:45LHR - ONT
1 stop15h 44mBritish Airways
Sat 18/523:59ONT - LHR
1 stop26h 46mBritish Airways
Deal found 7/5£480
Mon 27/510:05LHR - ONT
1 stop16h 17mBritish Airways
Thu 6/612:49ONT - LHR
1 stop13h 51mBritish Airways
Deal found 8/5£490
Mon 20/516:25LHR - ONT
1 stop15h 31mBritish Airways
Sun 26/523:59ONT - LHR
1 stop22h 26mBritish Airways
Deal found 7/5£492
Tue 11/615:15LHR - ONT
1 stop15h 44mBritish Airways
Thu 20/610:54ONT - LHR
1 stop13h 06mBritish Airways
Deal found 8/5£494

Cheap Heathrow to Ontario flights in May & June 2024

Find cheap flight options from Heathrow to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 881,145 searches. Prices were last updated on 8 May 2024.
Scroll through some of the best deals on flights from London to Ontario in 2024. For more flight deals, be sure to check back very soon.
Wed 15/508:40LHR - ONT
2 stops21h 58mDelta
Wed 22/506:50ONT - LHR
1 stop19h 00mDelta
Deal found 8/5£417
Wed 15/506:30LHR - ONT
2 stops21h 36mDelta
Wed 22/505:45ONT - LHR
2 stops16h 40mDelta
Deal found 7/5£418
Wed 15/511:00LHR - ONT
1 stop20h 43mKLM
Wed 22/513:20ONT - LHR
1 stop12h 40mKLM
Deal found 8/5£431
Wed 15/512:45LHR - ONT
1 stop15h 21mDelta
Wed 22/505:45ONT - LHR
1 stop20h 15mDelta
Deal found 7/5£432
Wed 12/613:05LHR - ONT
1 stop17h 04mBritish Airways
Tue 18/610:54ONT - LHR
1 stop13h 06mBritish Airways
Deal found 7/5£452
Wed 15/511:00LHR - ONT
1 stop15h 48mAmerican Airlines
Mon 10/610:54ONT - LHR
1 stop13h 06mAmerican Airlines
Deal found 7/5£453
Wed 12/612:15LHR - ONT
2 stops17h 25mFinnair
Tue 18/612:49ONT - LHR
2 stops15h 26mFinnair
Deal found 7/5£460
Wed 5/611:30LHR - ONT
2 stops20h 29mIberia
Mon 17/614:44ONT - LHR
1 stop14h 01mIberia
Deal found 8/5£460
Fri 17/516:50LHR - ONT
1 stop25h 14mDelta
Tue 21/513:20ONT - LHR
1 stop12h 40mDelta
Deal found 7/5£461

Heathrow to Ontario 2024 flight deals

Discover exclusive flight deals for travel between Heathrow and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 8 May 2024.
Scroll through some of the best deals on flights from London to Ontario in 2024. For more flight deals, be sure to check back very soon.
Wed 15/506:30LHR - ONT
2 stops21h 36mDelta
Wed 22/513:20ONT - LHR
1 stop12h 40mDelta
Deal found 8/5£417
Tue 5/1110:40LHR - ONT
1 stop15h 08mBritish Airways
Tue 19/1112:51ONT - LHR
1 stop12h 54mBritish Airways
Deal found 8/5£422
Wed 15/511:00LHR - ONT
1 stop20h 43mKLM
Wed 22/513:20ONT - LHR
1 stop12h 40mKLM
Deal found 8/5£431
Tue 10/916:25LHR - ONT
1 stop15h 01mIberia
Tue 24/910:50ONT - LHR
1 stop13h 10mIberia
Deal found 8/5£432
Tue 10/1210:45LHR - ONT
1 stop21h 06mVirgin Atlantic
Tue 24/1205:49ONT - LHR
1 stop20h 11mVirgin Atlantic
Deal found 8/5£434
Wed 30/1012:30LHR - ONT
1 stop16h 58mKLM
Mon 11/1112:45ONT - LHR
1 stop14h 25mKLM
Deal found 8/5£436
Sat 2/1108:20LHR - ONT
1 stop16h 28mFinnair
Tue 12/1115:01ONT - LHR
1 stop13h 04mFinnair
Deal found 8/5£443
Fri 17/509:55LHR - ONT
2 stops21h 48mDelta
Tue 21/514:13ONT - LHR
1 stop16h 37mDelta
Deal found 8/5£453
Wed 5/611:30LHR - ONT
2 stops20h 29mIberia
Mon 17/614:44ONT - LHR
1 stop14h 01mIberia
Deal found 8/5£460

Heathrow to Ontario flights leaving soon

Find last-minute flight options from Heathrow to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 8 May 2024.
Have a look at some of the last-minute flights available departing from London to Ontario. It's wise to confirm all flight details are correct before booking.
Wed 15/506:30LHR - ONT
2 stops21h 36mDelta
Wed 22/513:20ONT - LHR
1 stop12h 40mDelta
Deal found 8/5£417
Wed 15/509:55LHR - ONT
2 stops20h 43mDelta
Wed 22/513:20ONT - LHR
1 stop12h 40mDelta
Deal found 7/5£418
Wed 15/511:00LHR - ONT
1 stop20h 43mKLM
Wed 22/513:20ONT - LHR
1 stop12h 40mKLM
Deal found 8/5£431
Wed 15/512:45LHR - ONT
1 stop15h 21mDelta
Wed 22/505:45ONT - LHR
1 stop20h 15mDelta
Deal found 7/5£432
Wed 15/511:00LHR - ONT
1 stop15h 48mAmerican Airlines
Mon 10/610:54ONT - LHR
1 stop13h 06mAmerican Airlines
Deal found 7/5£453
Fri 17/516:50LHR - ONT
1 stop28h 43mDelta
Tue 21/506:50ONT - LHR
1 stop24h 00mDelta
Deal found 8/5£461
Fri 17/516:50LHR - ONT
1 stop25h 14mDelta
Tue 21/513:20ONT - LHR
1 stop12h 40mDelta
Deal found 6/5£462
Wed 15/511:00LHR - ONT
1 stop15h 48mFinnair
Fri 31/512:53ONT - LHR
1 stop14h 12mFinnair
Deal found 8/5£463
Wed 15/510:05LHR - ONT
1 stop16h 17mIberia
Wed 22/514:50ONT - LHR
1 stop15h 35mIberia
Deal found 8/5£465

One-way flights to Ontario from Heathrow

Search for one-way flight options from Heathrow to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 881,145 searches. Data last updated 8 May 2024.
Users travelling one-way from London to Ontario can select one of these great deals. Users can also find round-trip London to Ontario flights by using the search form above.
Tue 27/806:55LHR - ONT
3 stops34h 11mMultiple Airlines
Deal found 8/5£327
Wed 15/513:45LHR - ONT
2 stops24h 54mMultiple Airlines
Deal found 8/5£398
Wed 15/521:25LHR - ONT
3 stops50h 14mMultiple Airlines
Deal found 8/5£412
Wed 28/813:45LHR - ONT
2 stops24h 51mMultiple Airlines
Deal found 8/5£506
Wed 15/510:10LHR - ONT
1 stop28h 29mMultiple Airlines
Deal found 8/5£523
Sun 25/810:10LHR - ONT
1 stop28h 26mMultiple Airlines
Deal found 8/5£569
Tue 17/908:25LHR - ONT
1 stop22h 02mJetBlue
Deal found 7/5£608
Tue 24/911:55LHR - ONT
1 stop18h 32mJetBlue
Deal found 6/5£609
Wed 5/611:55LHR - ONT
1 stop18h 14mJetBlue
Deal found 8/5£625

Find flights from Heathrow to Ontario within your budget

Customise your flight search to find flights from Heathrow 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 881,145 searches. Data last updated 8 May 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£431 - £633

Route

Depart

Return

Price

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Wed 18/9

1 stop15h 01m

Ontario

Wed 2/10

1 stop13h 10m

£431

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Wed 30/10

1 stop16h 58m

Ontario

Mon 11/11

1 stop14h 25m

£437

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Wed 12/6

1 stop17h 04m

Ontario

Tue 18/6

1 stop13h 06m

£452

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Wed 12/6

2 stops17h 25m

Ontario

Tue 18/6

2 stops15h 26m

£460

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 16/9

1 stop14h 59m

Ontario

Sat 21/9

1 stop24h 30m

£461

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 20/5

1 stop16h 52m

Ontario

Mon 3/6

1 stop14h 28m

£473

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Sat 1/6

1 stop18h 44m

Ontario

Tue 4/6

1 stop12h 40m

£509

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 1/7

1 stop15h 28m

Ontario

Wed 10/7

2 stops14h 35m

£606

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 1/7

2 stops26h 33m

Ontario

Tue 23/7

2 stops28h 10m

£633

Flights are sorted by cheapest first

Deals found on 8/5

When is the best time to book a flight from London Heathrow Airport to Ontario?

Use this chart to determine the optimal time to book a return flight from Heathrow to Ontario. Price data was last updated on 3 May 2024.
To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Ontario, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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When is the cheapest time to fly from London Heathrow Airport to Ontario?

Use this chart to determine the cheapest time to fly return from Heathrow to Ontario. Price data was last updated on 5 May 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Travellers seeking maximum savings on their London Heathrow Airport to Ontario flight should consider departing on Tuesday mornings when fares are most often at their lowest. Monday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Ontario by month

Plan your trip from Heathrow to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight from Heathrow to Ontario is currently £509 while a return flight costs £496. Price data was last updated on 5 May 2024.

Temperature and rainfall in Ontario by month

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

LAX

Temperature

14 - 23 °C

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 8 May 2024.
Read through reviews of airlines operating flights from London to Ontario, such as KLM, British Airways and Finnair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,789 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Delta
8.1
Very Good
10,789 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

KLM
7.9
Good
1,592 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Finnair
7.8
Good
1,379 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Virgin Atlantic
7.7
Good
739 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

JetBlue
7.6
Good
4,525 reviews
Delta
8.1
Very Good
10,789 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Food

7.4

Comfort

7.9

Overall

8.1

Crew

8.6

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 London Heathrow?

    If you book a flight to Ontario from London Heathrow, you will be flying to Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario. There are 0 flights from London Heathrow to Ontario per day from 6 different airlines.

  • Can I find flights from London Heathrow Airport to Ontario for under £500 on Cheapflights?

    Yes, there are multiple flights from London Heathrow Airport to Ontario for under £500. The cheapest flight booked recently is on Iberia for just £431, but on average you can expect to pay £458.

  • Are there last-minute flights available from London Heathrow Airport to Ontario for under £500?

    There are currently 20+ open flights from London Heathrow Airport to Ontario within the next 7 days for less than £500.

  • What are the cheapest airlines flying from London Heathrow Airport to Ontario round-trip?

    Currently priced at £431, Iberia will fly you from London Heathrow Airport to Ontario and back. In addition to Iberia, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and British Airways - these airlines can fly you to your destination from £437 and £452, respectively. Users have found that Iberia is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Ontario one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £608. Air Serbia flights start at £689 while deals on Avianca start at £707 one-way.

  • What are the most popular airlines that fly from London Heathrow Airport to Ontario?

    Consider Finnair, British Airways or Lufthansa when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Ontario.

  • What does LHR to ONT mean?

    LHR stands for London Heathrow Airport, while ONT stands for Ontario Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Heathrow to Ontario that include extra baggage allowance?

    The amount of baggage you can bring on your Heathrow to Ontario flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Heathrow to Ontario with specific airlines?

    Yes, Cheapflights allows you to browse and filter Heathrow to Ontario flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Heathrow to Ontario that include hotel bookings?

    Yes. In addition to deals on Heathrow to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ontario.

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

  • Can I find deals for flights from Heathrow to Ontario that allow pets onboard?

    Many airlines flying from Heathrow to Ontario offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Heathrow to Ontario?

    Yes, you can often find last-minute deals on Heathrow to Ontario flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London Heathrow Airport to Ontario flight deals updated?

    The London Heathrow Airport to Ontario flight deals you see on this page were last updated on 8/5.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Ontario
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Heathrow to Ontario

Discover the top 6 airlines that operate flights from Heathrow 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 881,145 searches. Data last updated 8 May 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£381Average£467FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£393Average£556FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£428Average£512FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£462Average£524FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£471Average£696FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£476Average£560FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
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Manchester to USA flights
Dublin to Türkiye flights
London Gatwick Airport to Manchester flights
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Search flights from Heathrow to Ontario by cabin class

Find flights from Heathrow to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
Prem Econ Class
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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 Heathrow to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow 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 Heathrow to Ontario?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Ontario for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from Heathrow to Ontario with no change fees.

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

Yes, Cheapflights offers price alerts on Heathrow to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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