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Cheap flights from London Heathrow Airport to Ontario from £326

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 18/6. 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
1 May — 8 May1
1 adult
Wed 1/5
Wed 8/5

The best prices from London Heathrow to Ontario are usually found in January or March, booked 20 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 26 April 2024.

Popular in

July

Cheapest in

January

Average price

£541

Round-trip from

£437
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 32% potential price drop
Search Deals
Average for round-trip flights in April 2024
Search Deals
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 32% 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 37 days early can save you up to 21% on average compared to booking a flight this week. If booking 37 days before your flight isn’t an option for you, users have found flights from London Heathrow Airport to Ontario for as little as £485 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 £586 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 February, with the cheapest ticket starting at £307.

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 26% on the cost of your flight, compared to a flight at midday.

Cheap Iberia flights from Heathrow to Ontario

Explore cheap flight options specifically provided by Iberia 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 925,685 searches. Data last updated 26 April 2024.
Peruse some of the lowest-priced Iberia 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 8/511:30LHR - ONT
2 stops20h 26mIberia
Wed 15/514:50ONT - LHR
1 stop13h 25mIberia
Deal found 24/4£423
Mon 6/513:05LHR - ONT
1 stop15h 03mIberia
Mon 20/510:34ONT - LHR
1 stop13h 31mIberia
Deal found 25/4£429
Mon 9/916:25LHR - ONT
1 stop15h 01mIberia
Mon 23/910:50ONT - LHR
1 stop13h 10mIberia
Deal found 26/4£439
Mon 23/916:25LHR - ONT
1 stop15h 01mIberia
Tue 15/1010:50ONT - LHR
1 stop13h 10mIberia
Deal found 25/4£449
Wed 15/513:05LHR - ONT
1 stop15h 03mIberia
Mon 27/510:34ONT - LHR
1 stop13h 31mIberia
Deal found 25/4£450
Tue 3/916:25LHR - ONT
1 stop15h 01mIberia
Tue 1/1010:50ONT - LHR
1 stop13h 10mIberia
Deal found 26/4£451
Tue 27/809:15LHR - ONT
2 stops22h 11mIberia
Wed 11/910:50ONT - LHR
1 stop17h 55mIberia
Deal found 25/4£456
Thu 9/513:05LHR - ONT
1 stop15h 03mIberia
Thu 16/514:50ONT - LHR
1 stop13h 25mIberia
Deal found 25/4£459
Tue 7/516:25LHR - ONT
1 stop15h 31mIberia
Sun 19/510:34ONT - LHR
1 stop13h 31mIberia
Deal found 26/4£459

Cheap American Airlines flights from Heathrow to Ontario

Explore cheap flight options specifically provided by American Airlines 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 925,685 searches. Data last updated 26 April 2024.
Have a look at some of the cheapest available American Airlines flights departing from London and landing in Ontario. Make sure to examine the flight information before completing your reservation.
Wed 1/516:25LHR - ONT
1 stop15h 32mAmerican Airlines
Wed 8/514:50ONT - LHR
1 stop13h 25mAmerican Airlines
Deal found 24/4£432
Mon 21/1011:00LHR - ONT
1 stop15h 17mAmerican Airlines
Wed 6/1112:51ONT - LHR
1 stop12h 54mAmerican Airlines
Deal found 25/4£455
Wed 8/512:00LHR - ONT
1 stop16h 08mAmerican Airlines
Sat 11/522:29ONT - LHR
1 stop29h 41mAmerican Airlines
Deal found 25/4£457
Sat 4/510:30LHR - ONT
1 stop15h 37mAmerican Airlines
Mon 6/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 25/4£459
Sat 4/510:30LHR - ONT
1 stop15h 37mAmerican Airlines
Mon 6/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 26/4£460
Thu 2/512:15LHR - ONT
1 stop16h 27mAmerican Airlines
Thu 9/512:53ONT - LHR
1 stop14h 12mAmerican Airlines
Deal found 25/4£463
Tue 11/614:45LHR - ONT
1 stop14h 55mAmerican Airlines
Mon 17/616:36ONT - LHR
1 stop12h 59mAmerican Airlines
Deal found 26/4£478
Fri 17/512:00LHR - ONT
1 stop16h 08mAmerican Airlines
Sun 26/523:30ONT - LHR
1 stop24h 00mAmerican Airlines
Deal found 26/4£479
Fri 3/512:00LHR - ONT
1 stop16h 14mAmerican Airlines
Fri 10/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 25/4£488

Cheap Heathrow to Ontario flights in April & May 2024

Find cheap flight options from Heathrow to Ontario specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 925,685 searches. Prices were last updated on 26 April 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.
Tue 7/510:55LHR - ONT
1 stop20h 48mVirgin Atlantic
Tue 14/513:20ONT - LHR
1 stop12h 40mVirgin Atlantic
Deal found 25/4£411
Tue 7/511:45LHR - ONT
2 stops18h 53mKLM
Tue 14/514:13ONT - LHR
1 stop16h 37mKLM
Deal found 26/4£416
Wed 8/511:30LHR - ONT
2 stops20h 26mIberia
Wed 15/514:50ONT - LHR
1 stop13h 25mIberia
Deal found 24/4£423
Wed 15/511:00LHR - ONT
1 stop13h 36mVirgin Atlantic
Wed 22/513:20ONT - LHR
1 stop12h 40mVirgin Atlantic
Deal found 26/4£425
Mon 6/515:55LHR - ONT
1 stop14h 44mVirgin Atlantic
Mon 20/512:50ONT - LHR
1 stop14h 20mVirgin Atlantic
Deal found 25/4£428
Mon 6/513:05LHR - ONT
1 stop15h 03mIberia
Mon 20/510:34ONT - LHR
1 stop13h 31mIberia
Deal found 25/4£429
Mon 6/520:05LHR - ONT
2 stops28h 31mVirgin Atlantic
Sun 12/512:50ONT - LHR
2 stops23h 20mVirgin Atlantic
Deal found 25/4£430
Wed 1/516:25LHR - ONT
1 stop15h 32mAmerican Airlines
Wed 8/514:50ONT - LHR
1 stop13h 25mAmerican Airlines
Deal found 24/4£432
Wed 15/511:00LHR - ONT
1 stop13h 36mKLM
Wed 22/513:20ONT - LHR
1 stop12h 40mKLM
Deal found 25/4£433

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 925,685 searches. Data last updated 26 April 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.
Tue 19/1111:55LHR - ONT
1 stop13h 57mBritish Airways
Tue 3/1212:51ONT - LHR
1 stop12h 54mBritish Airways
Deal found 25/4£407
Tue 7/510:55LHR - ONT
1 stop20h 48mVirgin Atlantic
Tue 14/513:20ONT - LHR
1 stop12h 40mVirgin Atlantic
Deal found 25/4£411
Tue 7/511:45LHR - ONT
2 stops18h 53mKLM
Tue 14/514:13ONT - LHR
1 stop16h 37mKLM
Deal found 26/4£416
Wed 8/511:30LHR - ONT
2 stops20h 26mIberia
Wed 15/514:50ONT - LHR
1 stop13h 25mIberia
Deal found 24/4£423
Wed 15/511:00LHR - ONT
1 stop13h 36mVirgin Atlantic
Wed 22/513:20ONT - LHR
1 stop12h 40mVirgin Atlantic
Deal found 26/4£425
Tue 5/1111:55LHR - ONT
1 stop13h 57mBritish Airways
Tue 12/1112:51ONT - LHR
1 stop12h 54mBritish Airways
Deal found 24/4£427
Mon 6/515:55LHR - ONT
1 stop14h 44mVirgin Atlantic
Mon 20/512:50ONT - LHR
1 stop14h 20mVirgin Atlantic
Deal found 25/4£428
Mon 6/513:05LHR - ONT
1 stop15h 03mIberia
Mon 20/510:34ONT - LHR
1 stop13h 31mIberia
Deal found 25/4£429
Mon 6/520:05LHR - ONT
2 stops28h 31mVirgin Atlantic
Sun 12/512:50ONT - LHR
2 stops23h 20mVirgin Atlantic
Deal found 25/4£430

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 925,685 searches. Data last updated 26 April 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.
Mon 6/515:55LHR - ONT
1 stop14h 44mVirgin Atlantic
Mon 20/512:50ONT - LHR
1 stop14h 20mVirgin Atlantic
Deal found 25/4£428
Mon 6/513:05LHR - ONT
1 stop15h 03mIberia
Mon 20/510:34ONT - LHR
1 stop13h 31mIberia
Deal found 25/4£429
Mon 6/520:05LHR - ONT
2 stops28h 31mVirgin Atlantic
Sun 12/512:50ONT - LHR
2 stops23h 20mVirgin Atlantic
Deal found 25/4£430
Wed 1/516:25LHR - ONT
1 stop15h 32mAmerican Airlines
Wed 8/514:50ONT - LHR
1 stop13h 25mAmerican Airlines
Deal found 24/4£432
Mon 6/513:05LHR - ONT
1 stop15h 03mBritish Airways
Sun 19/523:59ONT - LHR
1 stop22h 26mBritish Airways
Deal found 25/4£445
Thu 2/512:00LHR - ONT
1 stop16h 14mFinnair
Thu 9/512:53ONT - LHR
1 stop14h 12mFinnair
Deal found 25/4£454
Mon 6/513:05LHR - ONT
1 stop15h 03mBritish Airways
Mon 20/514:50ONT - LHR
1 stop13h 25mBritish Airways
Deal found 26/4£456
Sat 4/510:30LHR - ONT
1 stop15h 37mAmerican Airlines
Mon 6/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 25/4£459
Sat 4/510:30LHR - ONT
1 stop15h 37mAmerican Airlines
Mon 6/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 26/4£460

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 925,685 searches. Data last updated 26 April 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 18/606:45LHR - ONT
3 stops34h 19mMultiple Airlines
Deal found 25/4£326
Wed 19/621:10LHR - ONT
3 stops43h 54mMultiple Airlines
Deal found 25/4£365
Thu 20/606:50LHR - ONT
3 stops34h 14mMultiple Airlines
Deal found 25/4£374
Wed 19/613:45LHR - ONT
2 stops24h 54mMultiple Airlines
Deal found 25/4£442
Mon 6/516:25LHR - ONT
1 stop15h 31mFinnair
Deal found 25/4£459
Mon 17/612:00LHR - ONT
1 stop14h 57mFinnair
Deal found 25/4£500
Fri 10/512:00LHR - ONT
1 stop16h 08mFinnair
Deal found 25/4£518
Thu 16/516:25LHR - ONT
1 stop15h 31mFinnair
Deal found 26/4£531
Sat 4/512:15LHR - ONT
1 stop16h 27mFinnair
Deal found 26/4£539

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 925,685 searches. Data last updated 26 April 2024.

Fly from

Any airport

Fly to

Any airport

Budget

£411 - £575

Route

Depart

Return

Price

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Tue 7/5

1 stop20h 48m

Ontario

Tue 14/5

1 stop12h 40m

£411

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Tue 7/5

2 stops18h 53m

Ontario

Tue 14/5

1 stop16h 37m

£416

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Wed 8/5

2 stops20h 26m

Ontario

Wed 15/5

1 stop13h 25m

£423

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 6/5

1 stop15h 03m

Ontario

Sun 19/5

1 stop22h 26m

£445

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 9/9

1 stop14h 45m

Ontario

Sun 15/9

1 stop24h 30m

£447

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 21/10

1 stop15h 17m

Ontario

Wed 6/11

1 stop12h 54m

£455

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Wed 29/5

1 stop16h 31m

Ontario

Tue 4/6

1 stop16h 37m

£472

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Mon 6/5

1 stop15h 59m

Ontario

Sun 12/5

1 stop22h 26m

£543

London HeathrowOntario

LHR - ONT

LHRONT

London Heathrow

Sat 11/5

1 stop14h 03m

Ontario

Sun 1/12

1 stop12h 40m

£575

Flights are sorted by cheapest first

Deals found on 25/4

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 28 January 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 20 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.
Search Deals

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 21 April 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 £450 while a return flight costs £465. Price data was last updated on 21 April 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 26 April 2024.
Read through reviews of airlines operating flights from London to Ontario, such as Iberia, American Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very Good
10,966 reviews
Check prices

Overall

8.1

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

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
10,966 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Overall

8.1

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

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
1,626 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Overall

8.1

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

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
1,385 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Overall

8.1

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

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
746 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Overall

8.1

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

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
4,606 reviews
Delta
8.1
Very Good
10,966 reviews
Check prices

Overall

8.1

Food

7.4

Crew

8.6

Boarding

8.2

Entertainment

8.0

Comfort

7.9

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 Virgin Atlantic for just £411, but on average you can expect to pay £439.

  • 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 £411, Virgin Atlantic will fly you from London Heathrow Airport to Ontario and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Iberia - these airlines can fly you to your destination from £416 and £423, respectively. Users have found that Virgin Atlantic is 24% 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 Finnair, which is currently one of the cheapest options available, starting at £459 JetBlue flights start at £603 while deals on Avianca start at £666 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 26/4.

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 925,685 searches. Data last updated 26 April 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£381Average£464FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£393Average£547FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£428Average£512FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
FinnairCheapest£457Average£524FlexibilityNo cancel feeOn-time76%
Search Finnair flights
United AirlinesCheapest£470Average£678FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
LufthansaCheapest£479Average£560FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
London to Kuala Lumpur flights
London to Cape Verde flights
Edinburgh to Dublin flights
Birmingham to Edinburgh flights
Bristol to Arrecife flights
Manchester to USA flights
Dublin to Türkiye flights
London Gatwick Airport to Manchester flights
London to Israel flights
London Gatwick Airport to Barbados flights
Manchester to Frankfurt am Main flights
London Heathrow Airport to Coolangatta flights

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.
First Class
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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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