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.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches 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.

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).

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

Most travelers choose Toronto Pearson Intl - London Heathrow, Vancouver Intl - London Heathrow or Montreal Pierre Elliott Trudeau Intl - London Heathrow when deciding on the best route from Canada to London Heathrow Airport.

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.

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 most popular airlines that fly from Canada to London Heathrow Airport?

When booking a flight from Canada to London Heathrow Airport, you may want to consider flying on American Airlines, Air Canada or Finnair as they are the most popular for this route.

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

Travelers have found it’s best to book a flight 43 days in advance to save up to 12% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 43 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Canada to London Heathrow Airport 1-2 weeks in advance for as low as £440, or £604 for flights within the next 24 hours.

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

February is one of the best times of the year to fly to London Heathrow Airport from Canada. Prices for February average £460 per person but you can even find prices for as low as £285. The most expensive prices can be found in the month of December. Opting for a February flight can save you 30% on your journey compared to booking in December

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.

£140+ Flights from Canada to London Heathrow Airport

Cheap flight deals from Canada to Heathrow

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
12/1-24/1
2 total stops
43h 20m total
Canada to London

Search Deals

26/10
1 total stop
16h 20m total
Canada to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£13 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£10 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 2025

Search Deals

Price to beat on a round-trip flight from Canada to London Heathrow.

Search Deals

Price to beat on a one-way flight from Canada to London Heathrow.

Search Deals

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

Best flights from Canada to Heathrow
Discover carefully curated flight deals from Canada to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 July 2025.

Mon 12/117:25YXX - LHR

1 stop11h 25mWestJet

Sat 24/114:50LHR - YXX

1 stop31h 55mWestJet

Deal found 17/7£380

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

Mon 8/918:35YUL - LHR

2 stops13h 25mSWISS

Mon 15/908:40LHR - YUL

2 stops15h 40mSWISS

Deal found 16/7£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 17/1012:40LHR - YHZ

Nonstop6h 45mLufthansa

Deal found 17/7£405

Thu 4/922:05YUL - LHR

Nonstop6h 40mAmerican Airlines

Sat 13/918:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Deal found 18/7£409

Fri 12/923:00YYZ - LHR

1 stop16h 20mIcelandair

Sun 21/921:25LHR - YYZ

1 stop29h 30mIcelandair

Deal found 17/7£411

Wed 10/917:30YHZ - LHR

2 stops23h 25mBrussels Airlines

Tue 30/906:50LHR - YHZ

2 stops13h 20mBrussels Airlines

Deal found 16/7£420

Tue 30/921:20YYZ - LHR

1 stop28h 10mAustrian Airlines

Tue 21/1006:00LHR - YYZ

2 stops18h 45mAustrian Airlines

Deal found 17/7£424

Thu 4/917:20YYZ - LHR

1 stop9h 40mAer Lingus

Sun 21/908:50LHR - YYZ

1 stop12h 00mAer Lingus

Deal found 17/7£427

Sat 6/910:25YHZ - LHR

2 stops16h 30mUnited Airlines

Sat 13/908:45LHR - YHZ

2 stops16h 16mUnited Airlines

Deal found 18/7£430

Direct flights from Canada to Heathrow
Explore direct flight options from Canada to Heathrow based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 July 2025.

Tue 23/911:00YHZ - LHR

Nonstop6h 00mAir Canada

Wed 1/1017:40LHR - YHZ

Nonstop6h 45mAir Canada

Deal found 16/7£391

Mon 8/911:00YHZ - LHR

Nonstop6h 00mMultiple Airlines

Sun 14/912:40LHR - YHZ

Nonstop6h 45mMultiple Airlines

Deal found 17/7£394

Sun 7/922:00YUL - LHR

Nonstop6h 40mBritish Airways

Mon 15/918:05LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 17/7£404

Wed 10/911:00YHZ - LHR

Nonstop6h 00mLufthansa

Sun 21/912:40LHR - YHZ

Nonstop6h 45mLufthansa

Deal found 18/7£405

Sun 7/922:00YYZ - LHR

Nonstop7h 15mAmerican Airlines

Thu 11/917:20LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 18/7£407

Fri 3/1018:20YYZ - LHR

Nonstop7h 15mLufthansa

Sun 12/1008:30LHR - YYZ

Nonstop7h 55mLufthansa

Deal found 17/7£407

Thu 4/922:05YUL - LHR

Nonstop6h 40mAmerican Airlines

Sat 13/918:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Deal found 18/7£409

Fri 5/918:05YYZ - LHR

Nonstop7h 10mBritish Airways

Mon 15/913:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 17/7£410

Sun 7/921:55YUL - LHR

Nonstop6h 40mLufthansa

Sat 13/909:30LHR - YUL

Nonstop7h 10mLufthansa

Deal found 17/7£410

Wed 17/918:20YYZ - LHR

Nonstop7h 15mAir Canada

Fri 19/917:40LHR - YYZ

Nonstop7h 50mAir Canada

Deal found 17/7£452

Sat 18/1018:55YUL - LHR

Nonstop6h 35mAir Canada

Sun 26/1013:25LHR - YUL

Nonstop7h 45mAir Canada

Deal found 17/7£452

Thu 18/922:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Sun 21/917:50LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Deal found 17/7£453

Last-minute flights from Canada to Heathrow
Discover last-minute flight deals from Canada to Heathrow. Data last updated 18 July 2025 and is based on user searches.

Wed 23/722:00YYZ - LHR

Nonstop7h 15mAmerican Airlines

Tue 5/808:55LHR - YYZ

2 stops19h 10mAmerican Airlines

Deal found 17/7£545

Wed 23/717:55YVR - LHR

Nonstop9h 20mAmerican Airlines

Mon 25/817:15LHR - YVR

Nonstop9h 40mAmerican Airlines

Deal found 17/7£549

Wed 23/722:10YUL - LHR

Nonstop6h 40mAmerican Airlines

Wed 27/818:05LHR - YUL

Nonstop7h 10mAmerican Airlines

Deal found 17/7£549

Wed 23/709:35YUL - LHR

1 stop18h 00mMultiple Airlines

Wed 27/807:25LHR - YUL

1 stop18h 35mMultiple Airlines

Deal found 17/7£562

Thu 24/722:05YYZ - LHR

Nonstop7h 15mBritish Airways

Sun 31/814:10LHR - YYZ

1 stop12h 21mBritish Airways

Deal found 18/7£546

Thu 24/718:55YOW - LHR

Nonstop6h 35mAir Canada

Wed 20/817:40LHR - YOW

1 stop19h 48mAir Canada

Deal found 18/7£568

Sat 26/719:00YYC - LHR

1 stop31h 10mMultiple Airlines

Tue 19/815:05LHR - YYC

2 stops26h 30mMultiple Airlines

Deal found 17/7£568

Sun 27/723:55YYZ - LHR

1 stop14h 30mMultiple Airlines

Mon 18/807:40LHR - YYZ

1 stop13h 10mMultiple Airlines

Deal found 17/7£504

Mon 28/711:00YHZ - LHR

Nonstop6h 00mLufthansa

Sun 10/811:30LHR - YHZ

1 stop10h 30mLufthansa

Deal found 18/7£575

Mon 28/720:45YVR - LHR

Nonstop9h 20mBritish Airways

Sun 24/812:15LHR - YVR

Nonstop9h 35mBritish Airways

Deal found 18/7£577

Mon 28/722:25YVR - LHR

1 stop14h 20mJetBlue

Sun 24/808:15LHR - YVR

1 stop20h 50mJetBlue

Deal found 18/7£579

Mon 28/714:10YUL - LHR

1 stop11h 25mAir Canada

Tue 12/811:05LHR - YUL

1 stop29h 25mAir Canada

Deal found 17/7£579

One-way flights from Canada to Heathrow
Search for one-way flight options from Canada to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 July 2025.

Sun 26/1013:30YXX - LHR

1 stop16h 20mMultiple Airlines

Deal found 17/7£140

Sat 15/1115:10YXX - LHR

1 stop13h 40mWestJet

Deal found 18/7£141

Sat 8/1121:00YWG - LHR

1 stop33h 50mWestJet

Deal found 17/7£176

Mon 18/822:35YHZ - LHR

1 stop19h 15mMultiple Airlines

Deal found 17/7£191

Fri 7/1122:45YYZ - LHR

1 stop13h 45mTAP AIR PORTUGAL

Deal found 15/7£199

Fri 10/1022:45YUL - LHR

1 stop18h 15mTAP AIR PORTUGAL

Deal found 16/7£201

Tue 28/1006:45YTZ - LHR

2 stops26h 05mMultiple Airlines

Deal found 15/7£201

Sat 4/1023:55YYZ - LHR

1 stop15h 25mMultiple Airlines

Deal found 17/7£202

Mon 15/910:20YTZ - LHR

2 stops18h 15mAir Canada

Deal found 16/7£205

Mon 15/917:00YYZ - LHR

1 stop11h 35mAir Canada

Deal found 16/7£210

Tue 21/1012:20YOW - LHR

2 stops18h 45mWestJet

Deal found 17/7£213

Wed 17/921:30YYZ - LHR

Nonstop7h 30mLufthansa

Deal found 18/7£225

Cheapflights Fare Finder

Use the filters below to find and compare flights from Canada to London Heathrow Airport that are best for you.

Fly from

Fly to

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

...

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?

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

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

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.

Delta

8.0

Very Good

7,958 reviews

Check prices

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!

Delta

8.0

Very Good

7,958 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

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!

KLM

7.8

Good

1,374 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

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!

Austrian Airlines

7.6

Good

816 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

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!

Finnair

7.6

Good

1,316 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

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!

SWISS

7.5

Good

1,661 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

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

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?
Most travelers choose Toronto Pearson Intl - London Heathrow, Vancouver Intl - London Heathrow or Montreal Pierre Elliott Trudeau Intl - London Heathrow when deciding on the best route 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

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

Top 10 airlines flying from Canada to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£301	Average£525	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
WestJet	Cheapest£339	Average£593	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Aer Lingus	Cheapest£365	Average£451	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Canada	Cheapest£373	Average£588	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
American Airlines	Cheapest£389	Average£581	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Virgin Atlantic	Cheapest£396	Average£519	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£401	Average£645	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£404	Average£614	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£405	Average£527	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Finnair	Cheapest£416	Average£517	FlexibilityNo cancel fee	On-time76%	Search Finnair flights

Fly with Cheapflights

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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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.

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

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Canada to Heathrow

Cheapest flights from Canada to HeathrowExplore 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.

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.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Canada to London Heathrow Airport that are best for you.

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.

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?

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.

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.

Reviews of airlines servicing Heathrow

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.

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?

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

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

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

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

How can I find direct flights from Canada to Heathrow?

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

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

Travelling to a place near London Heathrow Airport?

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Alternative routes for Canada to Heathrow

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Top 10 airlines flying from Canada to Heathrow

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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.