Cheap flights from Canada to London Heathrow Airport from £140

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 26/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
23 Jul — 30 Jul1
1 adult

Cheap flight deals from Canada to Heathrow

Keep the following information in mind while searching for Canada to Heathrow flight deals. Data was last updated 18 July 2025.

Round-trip from

£380

One-way from

£140

Popular in

December

Cheapest in

February

Average price

£573

Good round-trip deal

£461 or less

Good one-way deal

£222 or less
WestJet
  • WestJet
  • 12/1-24/1
  • 2 total stops
  • 43h 20m total
  • Canada to London
26/10
  • 26/10
  • 1 total stop
  • 16h 20m total
  • Canada to London
Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Canada to London Heathrow.
Price to beat on a one-way flight from Canada to London Heathrow.

Find flight deals from Canada to Heathrow

Cheapest flights from Canada to Heathrow
Explore the most affordable flight options available from Canada to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Mon 8/911:00YHZ - LHR
Nonstop6h 00mAir Canada
Sun 14/906:00LHR - YHZ
1 stop14h 20mAir Canada
Deal found 17/7£380
Wed 10/911:00YHZ - LHR
Nonstop6h 00mMultiple Airlines
Sun 21/906:00LHR - YHZ
1 stop14h 20mMultiple Airlines
Deal found 18/7£392
Wed 24/921:55YUL - LHR
Nonstop6h 40mMultiple Airlines
Tue 30/906:50LHR - YUL
1 stop9h 45mMultiple Airlines
Deal found 18/7£401
Wed 24/921:55YUL - LHR
Nonstop6h 40mAir Canada
Tue 30/906:50LHR - YUL
1 stop9h 45mAir Canada
Deal found 17/7£401
Sun 7/922:00YUL - LHR
Nonstop6h 40mBritish Airways
Mon 15/918:05LHR - YUL
Nonstop7h 10mBritish Airways
Deal found 17/7£404
Mon 13/1011:00YHZ - LHR
Nonstop6h 00mLufthansa
Fri 17/1009:30LHR - YHZ
1 stop16h 58mLufthansa
Deal found 17/7£405
Thu 18/918:20YYZ - LHR
Nonstop7h 15mLufthansa
Thu 25/908:30LHR - YYZ
Nonstop7h 55mLufthansa
Deal found 18/7£407
Thu 16/1008:50YTZ - LHR
1 stop16h 40mAir Canada
Sat 25/1017:40LHR - YTZ
2 stops21h 15mAir Canada
Deal found 17/7£407
Thu 4/919:05YHZ - LHR
1 stop20h 15mSWISS
Thu 18/906:00LHR - YHZ
1 stop14h 20mSWISS
Deal found 17/7£408
Wed 3/921:55YUL - LHR
Nonstop6h 40mLufthansa
Sun 14/909:30LHR - YUL
Nonstop7h 10mLufthansa
Deal found 18/7£409
Fri 5/922:00YYZ - LHR
Nonstop7h 15mBritish Airways
Fri 31/1017:05LHR - YYZ
Nonstop8h 10mBritish Airways
Deal found 17/7£410
Fri 12/923:00YYZ - LHR
1 stop16h 20mIcelandair
Sun 21/921:25LHR - YYZ
1 stop29h 30mIcelandair
Deal found 17/7£411

Cheapflights Fare Finder

Customise your flight search to find flights from Canada 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 858,174 searches. Data last updated 18 July 2025.
Use the filters below to find and compare flights from Canada to London Heathrow Airport that are best for you.

Fly from

Canada

Fly to

Heathrow

Route

Depart

Return

Price

AbbotsfordLondon

YXX - LHR

YXXLHR

Abbotsford

Mon 12/1

17:25-12:50

1 stop11h 25m

London Heathrow

Sat 24/1

14:50-14:45

1 stop31h 55m

£380

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Mon 8/9

11:00-21:00

Nonstop6h 00m

London Heathrow

Sun 14/9

06:00-16:20

1 stop14h 20m

£380

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Wed 10/9

11:00-21:00

Nonstop6h 00m

London Heathrow

Sun 21/9

06:00-16:20

1 stop14h 20m

£392

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

18:35-13:00

2 stops13h 25m

London Heathrow

Mon 15/9

08:40-19:20

2 stops15h 40m

£401

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 24/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Tue 30/9

06:50-11:35

1 stop9h 45m

£401

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sun 7/9

22:00-09:40

Nonstop6h 40m

London Heathrow

Mon 15/9

18:05-20:15

Nonstop7h 10m

£404

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Mon 13/10

11:00-21:00

Nonstop6h 00m

London Heathrow

Fri 17/10

09:30-22:28

1 stop16h 58m

£405

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 7/9

16:00-06:30

1 stop9h 30m

London Heathrow

Sun 5/10

08:30-11:25

Nonstop7h 55m

£407

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 16/10

08:50-06:30

1 stop16h 40m

London Heathrow

Sat 25/10

17:40-09:55

2 stops21h 15m

£407

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Thu 4/9

19:05-19:20

1 stop20h 15m

London Heathrow

Thu 18/9

06:00-16:20

1 stop14h 20m

£408

Flights are sorted by cheapest return flights first.

Deals found on 17/7

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

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Canada with our price prediction graph.
Estimated return 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 Canada to London Heathrow Airport

What is the cheapest month to book a flight from Canada to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Canada to London Heathrow Airport (average of £112). Flying from Canada to London Heathrow Airport in August is currently the most expensive (average of £164). 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 CA to LHR?

Find hourly flight availability from Canada 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 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Canada to London Heathrow Airport as you normally would.

Weekly flight availability from Canada to London Heathrow Airport

Explore weekly flight availability from Canada 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 July 2025.

The most flights from CA0 to LHR are scheduled on a Friday (46 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (29 on average).

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 July 2025.
See what other customers who have flown with Delta, KLM, andAustrian Airlines from Canada to London Heathrow Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Food

7.3

Crew

8.5

Entertainment

7.9

Comfort

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Canada 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 Canada to London Heathrow Airport one-way?

    One-way options have recently been found by users for as low as £141 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £199 and Air Canada from £205 one-way.

  • What are the most popular routes from Canada to London Heathrow Airport?

  • What are the most reliable airlines from Canada to London Heathrow Airport?

    No one likes to see their flight delayed. When booking a flight from Canada to London Heathrow Airport consider choosing Croatia Airlines (88%), KLM (87%) or Air France (87%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Canada to London Heathrow Airport?

    While on average a flight from Canada to London Heathrow Airport is generally £1,169, our data shows the cheapest flight currently is £225. When looking at the most popular route, (Toronto Pearson Intl - London Heathrow), you can expect to pay £371 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Canada 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 Canada to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Canada to London Heathrow Airport (average of £112). Flying from Canada to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Hounslow
Deal
Northampton
Gatwick
Slough
Luton
Wembley
Crawley
Eastbourne
Ilford
Hayes
Ipswich
Southend-on-Sea
Folkestone
Watford
Winchester
Swindon
Maidstone

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Canada to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Canada to Heathrow

Discover the top 10 airlines that operate flights from Canada 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 858,174 searches. Data last updated 18 July 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£301Average£525FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
WestJetCheapest£339Average£593FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Aer LingusCheapest£365Average£451FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air CanadaCheapest£373Average£588FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapest£389Average£581FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Virgin AtlanticCheapest£396Average£519FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£401Average£645FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£404Average£614FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£405Average£527FlexibilityNo cancel feeOn-time75%
Search KLM flights
FinnairCheapest£416Average£517FlexibilityNo cancel feeOn-time76%
Search Finnair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Canada to Heathrow?

Deals for Canada to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

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

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

Yes, we can. To see specific flights from Canada to Heathrow 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 Canada to Heathrow become cheaper?

Yes! Start tracking prices for Canada 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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