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Cheap flights from London Heathrow Airport to Ontario from C$ 485

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YYZ
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Ontario

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Ontario
Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Thu 11/121:25 p.m.LHR - YYZ
1 stop15h 39mAir Canada
Thu 15/16:15 a.m.YYZ - LHR
1 stop9h 20mAir Canada
Deal found 11/12C$ 765
Wed 10/1212:00 p.m.LHR - YTZ
1 stop11h 13mAir Canada
Sun 14/124:20 p.m.YTZ - LHR
1 stop12h 00mAir Canada
Deal found 10/12C$ 767
Thu 11/121:25 p.m.LHR - YTZ
1 stop13h 10mAir Canada
Fri 16/16:45 p.m.YTZ - LHR
1 stop9h 35mAir Canada
Deal found 10/12C$ 771
Thu 11/121:25 p.m.LHR - YTZ
1 stop23h 45mAir Canada
Sun 14/124:20 p.m.YTZ - LHR
1 stop12h 00mAir Canada
Deal found 10/12C$ 772
Thu 11/129:00 a.m.LHR - YYZ
2 stops16h 46mAir Canada
Fri 16/16:10 p.m.YYZ - LHR
Nonstop7h 20mAir Canada
Deal found 10/12C$ 776
Thu 11/121:25 p.m.LHR - YYZ
1 stop13h 19mAir Canada
Sun 14/127:15 p.m.YYZ - LHR
1 stop20h 20mAir Canada
Deal found 10/12C$ 781
Thu 11/129:00 a.m.LHR - YTZ
2 stops13h 55mAir Canada
Sat 27/123:30 p.m.YTZ - LHR
2 stops36h 50mAir Canada
Deal found 10/12C$ 781
Fri 12/126:00 a.m.LHR - YYZ
1 stop15h 25mMultiple Airlines
Thu 15/19:30 p.m.YYZ - LHR
1 stop18h 05mMultiple Airlines
Deal found 11/12C$ 782
Thu 11/121:25 p.m.LHR - YYZ
1 stop28h 15mAir Canada
Mon 15/126:15 a.m.YYZ - LHR
1 stop9h 20mAir Canada
Deal found 11/12C$ 783
Thu 11/126:00 p.m.LHR - YYZ
Nonstop8h 10mLufthansa
Sat 31/18:25 p.m.YYZ - LHR
Nonstop7h 05mLufthansa
Deal found 11/12C$ 787
Thu 11/127:40 a.m.LHR - YYZ
1 stop12h 10mLufthansa
Fri 26/123:25 p.m.YYZ - LHR
1 stop12h 55mLufthansa
Deal found 10/12C$ 796
Wed 17/129:30 a.m.LHR - YYZ
1 stop11h 45mLufthansa
Sun 18/15:30 p.m.YYZ - LHR
1 stop10h 50mLufthansa
Deal found 10/12C$ 800

Find flight deals from Heathrow to Ontario

Keep the following information in mind while searching for Heathrow to Ontario flight deals. Data was last updated 12 December 2025.

Round-trip from

C$ 724

One-way from

C$ 485

Popular in

December

Cheapest in

February

Average price

C$ 1,030

Good round-trip deal

C$ 799 or less

Good one-way deal

C$ 648 or less
Lufthansa
  • Lufthansa
  • 12/1-20/1
  • 1 total stop
  • 18h 15m total
  • London to Ontario
Search Deals
10/1
  • 10/1
  • 1 total stop
  • 36h 40m total
  • London to Ontario
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 33 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Ontario.
Search Deals
Price to beat on a one-way flight from London Heathrow to Ontario.
Search Deals

Cheapflights Fare Finder

 
Customize 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 629,999 searches. Data last updated 12 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Ontario that are best for you.

Fly from

Heathrow

Fly to

Ontario

Route

Depart

Return

Price

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sun 25/1

9:00 a.m.-5:55 p.m.

2 stops13h 55m

Toronto Island

Sun 1/2

4:20 p.m.-9:20 a.m.

1 stop12h 00m

C$ 732

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 6/3

8:35 p.m.-6:15 p.m.

1 stop26h 40m

Toronto Pearson Intl

Wed 29/4

11:20 p.m.-8:20 p.m.

1 stop16h 00m

C$ 745

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 3/3

7:50 p.m.-3:40 p.m.

2 stops24h 50m

Toronto Pearson Intl

Sun 8/3

6:10 p.m.-4:25 p.m.

2 stops18h 15m

C$ 747

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Mon 23/2

1:45 p.m.-5:55 p.m.

2 stops33h 10m

Toronto Island

Mon 2/3

12:30 p.m.-4:20 p.m.

2 stops22h 50m

C$ 747

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Tue 10/3

7:50 p.m.-4:40 p.m.

2 stops24h 50m

Toronto Pearson Intl

Tue 24/3

6:10 p.m.-4:25 p.m.

2 stops18h 15m

C$ 747

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Tue 10/3

6:50 a.m.-3:55 p.m.

2 stops13h 05m

Toronto Island

Mon 30/3

10:20 a.m.-6:30 a.m.

1 stop15h 10m

C$ 770

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 23/1

12:00 p.m.-6:13 p.m.

1 stop11h 13m

Toronto Island

Fri 30/1

6:45 p.m.-9:20 a.m.

1 stop9h 35m

C$ 774

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sun 8/2

12:00 p.m.-9:38 p.m.

1 stop14h 38m

Toronto Island

Fri 20/2

6:45 p.m.-9:20 a.m.

1 stop9h 35m

C$ 776

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sun 8/3

11:10 a.m.-3:20 p.m.

Nonstop8h 10m

Toronto Pearson Intl

Thu 30/4

9:30 p.m.-9:35 a.m.

Nonstop7h 05m

C$ 786

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 15/1

6:00 p.m.-9:10 p.m.

Nonstop8h 10m

Toronto Pearson Intl

Thu 22/1

6:10 p.m.-6:30 a.m.

Nonstop7h 20m

C$ 786

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
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Best time to book a flight from Heathrow to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Heathrow 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 London Heathrow Airport to Ontario

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Ontario (average of C$ 560). Flying from London Heathrow Airport to Region of Ontario in December is currently the most expensive (average of C$ 691). 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 LHR to ON?

Find hourly flight availability from Heathrow 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 12 December 2025.

When flying from London Heathrow Airport to Region of Ontario, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 18% versus a flight in the morning.

What is the cheapest day to fly from London Heathrow Airport to Region of Ontario?

Use this chart to determine the cheapest time to fly round-trip from Heathrow to Ontario. Price data was last updated on 16 December 2024.

Travelers seeking maximum savings on their London Heathrow Airport to Region of Ontario flight should consider departing on Friday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Region of Ontario

Explore weekly flight availability from Heathrow to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.

The most flights from LHR to CAON are scheduled on a Wednesday (35 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from London Heathrow Airport to Region of Ontario?

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 12 December 2025.
Read reviews from past customers who have flown Virgin Atlantic,United Airlines, andAir Canada from London Heathrow Airport to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Virgin Atlantic
7.5
Good
675 reviews
Check prices

Food

6.9

Comfort

7.3

Crew

8.2

Entertainment

7.5

Boarding

7.7

Overall

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Virgin Atlantic
7.5
Good
675 reviews
Virgin Atlantic
7.5
Good
675 reviews
Check prices

Food

6.9

Comfort

7.3

Crew

8.2

Entertainment

7.5

Boarding

7.7

Overall

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
United Airlines
7.4
Good
9,093 reviews
Virgin Atlantic
7.5
Good
675 reviews
Check prices

Food

6.9

Comfort

7.3

Crew

8.2

Entertainment

7.5

Boarding

7.7

Overall

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Air Canada
7.1
Good
10,517 reviews
Virgin Atlantic
7.5
Good
675 reviews
Check prices

Food

6.9

Comfort

7.3

Crew

8.2

Entertainment

7.5

Boarding

7.7

Overall

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
Lufthansa
6.8
Okay
7,626 reviews
Virgin Atlantic
7.5
Good
675 reviews
Check prices

Food

6.9

Comfort

7.3

Crew

8.2

Entertainment

7.5

Boarding

7.7

Overall

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!
British Airways
6.7
Okay
7,571 reviews
Virgin Atlantic
7.5
Good
675 reviews
Check prices

Food

6.9

Comfort

7.3

Crew

8.2

Entertainment

7.5

Boarding

7.7

Overall

7.5

Reviews

1 / 20
6.0
Good

Pratap,Aug 2025

JFK - LHR

The flight is clean, food good and the staff are excellent! Very professional, polite and accommodating. The seat itself is really mediocre. Can’t believe there is not inch of storage space. Believe it or not it there is not place even to put away your phone or pen!! Very very surprising and terribly inconvenient. No coat hanger hook either. Had to give it away. ALL IN ALL VERY INCONVENIENT business class seat compared to their peers. What is even more surprising is that this on their relatively new fleet of Airbus A350-1000. I was having com platelets different expectations of Virgin and this has disappointed me. Everything else is just as good and as you would expect from Virgin!

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.

  • How long is the flight from London Heathrow Airport to Region of Ontario?

    Air Canada, Icelandair, and Scandinavian Airlines can get you from London Heathrow Airport to Region of Ontario in just under 13h 55m. Your travel time can differ by up to 12h 45m. The distance between London Heathrow Airport and Region of Ontario is about 5692 km. Both multi-stop and direct flights can be found to your destination and back.

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

    One-way options have recently been found by users for as low as C$ 343 on Air Transat. Other airlines that offer cheap prices include TAP AIR PORTUGAL from C$ 387 and Aer Lingus from C$ 414 one-way.

  • What are the most popular routes from London Heathrow Airport to Region of Ontario?

    The most popular route from London Heathrow Airport to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Heathrow - Toronto Island or London Heathrow - Montreal Pierre Elliott Trudeau Intl.

  • What are the most reliable airlines from London Heathrow Airport to Region of Ontario?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Region of Ontario on time: KLM (98%), Air France (98%), Delta (98%).

  • What are the cheapest flights from London Heathrow Airport to Region of Ontario?

    While on average a flight from London Heathrow Airport to Region of Ontario is generally C$ 1,473, our data shows the cheapest flight currently is C$ 513. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 514 for that flight.

  • 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 vacation 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.

  • What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Ontario (average of C$ 560). Flying from London Heathrow Airport to Region of Ontario in December is currently the most expensive (average of C$ 691). 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

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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.
Heathrow to Pearson Intl flights
Heathrow to Vancouver Intl flights
Gatwick to Pearson Intl flights
Gatwick to Vancouver Intl flights
London City to Pearson Intl flights
Heathrow to Calgary flights
London City to Vancouver Intl flights
Stansted to Pearson Intl flights
Heathrow to Pierre Elliott Trudeau Intl flights
Luton to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Gatwick to Calgary flights
London City to Calgary flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Heathrow to Abbotsford flights
Heathrow to Ottawa flights
Heathrow to Halifax flights
Heathrow to Victoria flights
Luton to Calgary flights
Gatwick to Ottawa flights
Southend to Pearson Intl flights
Heathrow to Edmonton flights
Southend to Pierre Elliott Trudeau Intl flights
Luton to Vancouver Intl flights
Stansted to Calgary flights
Gatwick to Edmonton flights
Gatwick to Victoria flights
Gatwick to Halifax flights
Heathrow to St. John's flights
Gatwick to St. John's flights
Heathrow to Winnipeg flights
Gatwick to Winnipeg flights
Stansted to Ottawa flights
Heathrow to Kelowna flights
Gatwick to Québec City flights
Heathrow to Québec City flights

Top 10 airlines flying from Heathrow to Ontario

Discover the top 10 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 629,999 searches. Data last updated 12 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapestC$ 439AverageC$ 1,070FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
IcelandairCheapestC$ 545AverageC$ 744FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapestC$ 566AverageC$ 883FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air TransatCheapestC$ 628AverageC$ 835FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
TAP AIR PORTUGALCheapestC$ 637AverageC$ 998FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
British AirwaysCheapestC$ 639AverageC$ 839FlexibilityNo cancel feeOn-time70%
Search British Airways flights
DeltaCheapestC$ 651AverageC$ 883FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air CanadaCheapestC$ 651AverageC$ 934FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Virgin AtlanticCheapestC$ 659AverageC$ 821FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
United AirlinesCheapestC$ 727AverageC$ 1,235FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Ontario.

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

Yes, we can. To see specific flights from Heathrow to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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