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Cheap flights from Ontario to London Heathrow Airport from C$ 323

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
23 Dec — 30 Dec1
1 adult

Cheap flight deals from Ontario to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to Heathrow (LHR). 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 18 December 2024.

Round-trip from

C$ 723

One-way from

C$ 330
TAP AIR PORTUGAL
  • TAP AIR PORTUGAL
  • 19/1-26/1
  • 2 total stops
  • 27h 25m total
  • Ontario to London
Search Deals
WestJet
  • WestJet
  • 17/1
  • 2 total stops
  • 25h 20m total
  • Ontario to London
Search Deals

Find flight deals from Ontario to Heathrow

Cheapest flights from Ontario to Heathrow
Explore the most affordable flight options available from Ontario to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 December 2024.

Tue 31/1212:00 p.m.YYZ - LHR
1 stop14h 10mAir Canada
Thu 9/19:00 a.m.LHR - YYZ
1 stop16h 11mAir Canada
Deal found 17/12C$ 924
Tue 31/123:25 p.m.YTZ - LHR
1 stop10h 45mAir Canada
Thu 9/19:00 a.m.LHR - YTZ
2 stops14h 43mAir Canada
Deal found 17/12C$ 947
Mon 30/129:35 p.m.YYZ - LHR
1 stop18h 00mMultiple Airlines
Tue 14/16:30 a.m.LHR - YYZ
1 stop11h 50mMultiple Airlines
Deal found 18/12C$ 983
Tue 31/126:35 p.m.YYZ - LHR
1 stop11h 40mUnited Airlines
Mon 13/110:00 a.m.LHR - YYZ
2 stops15h 25mUnited Airlines
Deal found 17/12C$ 995
Sat 28/128:10 p.m.YYZ - LHR
Nonstop7h 20mLufthansa
Fri 31/17:40 a.m.LHR - YYZ
1 stop12h 15mLufthansa
Deal found 17/12C$ 1,008
Mon 30/127:45 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Sun 12/18:40 p.m.LHR - YYZ
1 stop26h 35mIcelandair
Deal found 18/12C$ 1,027
Tue 31/125:20 p.m.YOW - LHR
1 stop12h 10mVirgin Atlantic
Wed 15/111:30 a.m.LHR - YOW
1 stop32h 40mVirgin Atlantic
Deal found 18/12C$ 1,033
Mon 30/128:55 p.m.YUL - LHR
1 stop18h 40mAir Canada
Mon 3/28:55 a.m.LHR - YUL
1 stop11h 20mAir Canada
Deal found 16/12C$ 1,033
Tue 31/127:05 p.m.YUL - LHR
1 stop18h 15mVirgin Atlantic
Mon 20/111:45 a.m.LHR - YUL
1 stop10h 25mVirgin Atlantic
Deal found 17/12C$ 1,048
Fri 27/1211:05 p.m.YUL - LHR
1 stop12h 30mAir France
Sat 1/29:00 a.m.LHR - YUL
1 stop11h 25mAir France
Deal found 16/12C$ 1,060
Tue 31/125:20 p.m.YOW - LHR
1 stop12h 10mMultiple Airlines
Wed 15/110:00 a.m.LHR - YOW
2 stops19h 10mMultiple Airlines
Deal found 18/12C$ 1,061
Tue 31/1210:05 p.m.YYZ - LHR
Nonstop7h 10mBritish Airways
Thu 30/111:45 a.m.LHR - YYZ
Nonstop8h 10mBritish Airways
Deal found 17/12C$ 1,074

Find flights from Ontario to Heathrow within your budget

Customize your flight search to find flights from Ontario to Heathrow 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 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 19/1

10:45 p.m.-5:30 p.m.

1 stop13h 45m

London Heathrow

Sun 26/1

6:00 a.m.-2:40 p.m.

1 stop13h 40m

C$ 723

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 17/1

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

Nonstop7h 20m

London Heathrow

Mon 17/2

9:30 a.m.-4:15 p.m.

1 stop11h 45m

C$ 724

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 1/2

6:35 p.m.-10:30 a.m.

1 stop10h 55m

London Heathrow

Sat 8/2

6:30 a.m.-7:15 p.m.

1 stop17h 45m

C$ 726

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 15/1

10:25 a.m.-7:10 a.m.

1 stop15h 45m

London Heathrow

Fri 24/1

8:55 a.m.-8:10 a.m.

2 stops28h 15m

C$ 727

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 17/1

6:05 p.m.-11:10 a.m.

1 stop12h 05m

London Heathrow

Sun 19/1

6:30 a.m.-3:40 p.m.

1 stop14h 10m

C$ 731

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 22/1

11:25 p.m.-11:50 a.m.

Nonstop7h 25m

London Heathrow

Wed 29/1

8:55 a.m.-4:20 p.m.

1 stop12h 25m

C$ 734

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Tue 21/1

8:50 a.m.-7:10 a.m.

2 stops17h 20m

London Heathrow

Mon 27/1

8:55 a.m.-7:50 p.m.

2 stops15h 55m

C$ 748

HamiltonLondon

YHM - LHR

YHMLHR

Hamilton

Wed 15/1

6:20 p.m.-3:35 p.m.

2 stops16h 15m

London Heathrow

Mon 20/1

7:50 a.m.-5:10 p.m.

2 stops14h 20m

C$ 768

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 9/1

7:45 p.m.-7:30 p.m.

1 stop18h 45m

London Heathrow

Wed 15/1

8:40 p.m.-6:15 p.m.

1 stop26h 35m

C$ 774

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 21/1

8:10 p.m.-8:30 a.m.

Nonstop7h 20m

London Heathrow

Fri 31/1

7:40 a.m.-2:55 p.m.

1 stop12h 15m

C$ 787

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/12

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

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

Travel insights for flights from Ontario to Heathrow

Get recent, data-driven insights about flights from Ontario to Heathrow including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Heathrow Airport (average of C$ 560). Flying from Region of Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 ON to LHR?

Find hourly flight availability from Ontario to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 December 2024.

When flying from Region of Ontario to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Region of Ontario to London Heathrow Airport

Explore weekly flight availability from Ontario to Heathrow. 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 18 December 2024.

The most flights from CAON to LHR are scheduled on a Monday (34 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (26 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 18 December 2024.
Get a feel of what it's like to fly with Air Canada, KLM and Icelandair from Ontario to London by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,604 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,349 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair
7.7
Good
1,285 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Austrian Airlines
7.6
Good
787 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,606 reviews
Delta
8.0
Very good
8,604 reviews
Check prices

Entertainment

7.9

Comfort

7.9

Overall

8.0

Food

7.3

Boarding

8.2

Crew

8.6

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as C$ 330. However, be on the lookout for offers from TAP AIR PORTUGAL and Azores Airlines, as they are both options that can get you from Region of Ontario to London Heathrow Airport for a low price.

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

    The most popular flight routes from Region of Ontario to London Heathrow Airport are Toronto Pearson Intl - London Heathrow, Montreal Pierre Elliott Trudeau Intl - London Heathrow and Toronto Island - London Heathrow.

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

    No one likes to see their flight delayed. When booking a flight from Region of Ontario to London Heathrow Airport consider choosing Ethiopian Air (86%), Singapore Airlines (85%) or United Airlines (80%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay C$ 2,278 for a flight from Region of Ontario to London Heathrow Airport. The cheapest flight overall is C$ 790 while the most popular route, (Toronto Pearson Intl - London Heathrow) is currently priced at C$ 728.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to Heathrow 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 Region of Ontario to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Region of Ontario to London Heathrow Airport (average of C$ 560). Flying from Region of Ontario to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 Ontario to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Ontario to Heathrow

Discover the top 10 airlines that operate flights from Ontario to Heathrow. 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 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 386AverageC$ 639FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapestC$ 543AverageC$ 686FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Scandinavian AirlinesCheapestC$ 615AverageC$ 775FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights
IcelandairCheapestC$ 620AverageC$ 884FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 625AverageC$ 816FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air TransatCheapestC$ 674AverageC$ 846FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
FinnairCheapestC$ 690AverageC$ 967FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Porter AirlinesCheapestC$ 732AverageC$ 924FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
KLMCheapestC$ 734AverageC$ 923FlexibilityNo cancel feeOn-time75%
Search KLM flights
British AirwaysCheapestC$ 784AverageC$ 989FlexibilityNo cancel feeOn-time70%
Search British Airways 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 Ontario to Heathrow?

Cheapflights helps you search for flights from Ontario to Heathrow via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ontario to Heathrow flexibly with Cheapflights today.

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

Yes! Start tracking prices for Ontario to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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