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 £154 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £195 and Air Canada from £204 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 £1,321, our data shows the cheapest flight currently is £216. When looking at the most popular route, (Toronto Pearson Intl - London Heathrow), you can expect to pay £359 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%), Ethiopian Air (82%) or Singapore Airlines (81%) 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 Air France 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 49 days in advance to save up to 13% 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 49 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 £592 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 £451 per person but you can even find prices for as low as £279. The most expensive prices can be found in the month of December. Opting for a February flight can save you 29% 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.

£366+ Flights from Canada to London Heathrow Airport

Cheap flight deals from Canada to Heathrow

Round-trip from	£392
One-way from	£154
Popular in	December
Cheapest in	February
Average price	£560
Good round-trip deal	£478 or less
Good one-way deal	£256 or less

Icelandair
4/9-16/9
2 total stops
61h 25m total
Canada to London

Search Deals

WestJet
19/10
1 total stop
17h 40m total
Canada to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£12 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 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 4 July 2025.

Wed 19/1119:45YYZ - LHR

1 stop18h 45mIcelandair

Mon 8/1212:15LHR - YYZ

1 stop11h 00mIcelandair

Deal found 1/7£392

Tue 26/816:30YYZ - LHR

1 stop9h 00mAir Canada

Sun 21/908:30LHR - YYZ

Nonstop7h 55mAir Canada

Deal found 3/7£393

Sun 14/910:20YTZ - LHR

2 stops15h 10mAir Canada

Sun 28/906:50LHR - YTZ

2 stops14h 55mAir Canada

Deal found 3/7£393

Mon 20/1014:00YYZ - LHR

1 stop26h 00mLufthansa

Mon 27/1007:40LHR - YYZ

1 stop12h 15mLufthansa

Deal found 3/7£393

Wed 1/1021:55YUL - LHR

Nonstop6h 40mAir Canada

Wed 22/1009:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 3/7£394

Tue 26/817:40YYZ - LHR

1 stop11h 40mTAP AIR PORTUGAL

Mon 22/911:20LHR - YYZ

1 stop14h 40mTAP AIR PORTUGAL

Deal found 3/7£395

Wed 3/922:45YUL - LHR

1 stop11h 50mTAP AIR PORTUGAL

Wed 10/908:00LHR - YUL

1 stop17h 45mTAP AIR PORTUGAL

Deal found 2/7£396

Wed 15/1022:30YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Wed 22/1006:30LHR - YYZ

1 stop12h 00mVirgin Atlantic

Deal found 1/7£399

Wed 3/921:55YUL - LHR

Nonstop6h 40mMultiple Airlines

Wed 10/906:50LHR - YUL

1 stop9h 45mMultiple Airlines

Deal found 3/7£399

Wed 1/1022:30YYZ - LHR

Nonstop7h 10mDelta

Fri 24/1006:30LHR - YYZ

1 stop11h 50mDelta

Deal found 1/7£400

Fri 15/819:15YYZ - LHR

1 stop9h 45mMultiple Airlines

Mon 1/917:50LHR - YYZ

1 stop22h 50mMultiple Airlines

Deal found 3/7£407

Tue 30/921:55YUL - LHR

Nonstop6h 40mLufthansa

Mon 6/1009:30LHR - YUL

Nonstop7h 10mLufthansa

Deal found 2/7£407

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 4 July 2025.

Thu 4/923:00YYZ - LHR

1 stop31h 55mIcelandair

Tue 16/921:25LHR - YYZ

1 stop29h 30mIcelandair

Deal found 2/7£392

Sun 19/1006:30YYZ - LHR

1 stop9h 30mMultiple Airlines

Mon 27/1020:05LHR - YYZ

1 stop24h 45mMultiple Airlines

Deal found 3/7£393

Mon 20/1021:30YYZ - LHR

Nonstop7h 30mLufthansa

Sun 26/1007:40LHR - YYZ

1 stop12h 15mLufthansa

Deal found 3/7£393

Wed 1/1021:55YUL - LHR

Nonstop6h 40mAir Canada

Wed 22/1009:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 3/7£394

Sun 24/817:35YYZ - LHR

1 stop19h 10mTAP AIR PORTUGAL

Wed 17/906:00LHR - YYZ

1 stop12h 55mTAP AIR PORTUGAL

Deal found 2/7£396

Wed 1/1022:30YYZ - LHR

Nonstop7h 10mDelta

Thu 23/1006:30LHR - YYZ

1 stop11h 50mDelta

Deal found 1/7£400

Mon 13/1017:10YYZ - LHR

2 stops34h 45mScandinavian Airlines

Thu 16/1006:40LHR - YYZ

1 stop14h 00mScandinavian Airlines

Deal found 2/7£417

Sun 28/920:15YYZ - LHR

1 stop30h 40mSWISS

Wed 22/1007:00LHR - YYZ

2 stops36h 34mSWISS

Deal found 2/7£421

Wed 22/1014:50YXX - LHR

1 stop13h 15mWestJet

Tue 28/1014:50LHR - YXX

1 stop11h 55mWestJet

Deal found 3/7£422

Sat 8/1117:25YYZ - LHR

1 stop11h 45mAer Lingus

Tue 11/1109:50LHR - YYZ

1 stop11h 05mAer Lingus

Deal found 4/7£423

Mon 17/1123:10YYZ - LHR

1 stop27h 00mAustrian Airlines

Sun 23/1106:00LHR - YYZ

2 stops37h 25mAustrian Airlines

Deal found 3/7£426

Mon 20/1022:10YUL - LHR

Nonstop6h 40mFinnair

Tue 4/1116:30LHR - YUL

Nonstop7h 35mFinnair

Deal found 3/7£435

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 4 July 2025.

Sun 17/823:45YYZ - LHR

Nonstop7h 05mAir Canada

Tue 26/808:30LHR - YYZ

Nonstop7h 50mAir Canada

Deal found 3/7£393

Wed 1/1021:55YUL - LHR

Nonstop6h 40mAir Canada

Wed 22/1009:30LHR - YUL

Nonstop7h 10mAir Canada

Deal found 3/7£394

Sat 27/918:20YYZ - LHR

Nonstop7h 15mMultiple Airlines

Thu 2/1015:50LHR - YYZ

Nonstop7h 55mMultiple Airlines

Deal found 3/7£396

Fri 3/1022:00YYZ - LHR

Nonstop7h 15mBritish Airways

Sun 12/1013:20LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 4/7£399

Wed 8/1023:35YYZ - LHR

Nonstop7h 15mLufthansa

Tue 14/1017:40LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 1/7£404

Thu 18/922:30YYZ - LHR

Nonstop7h 10mDelta

Wed 1/1017:50LHR - YYZ

Nonstop7h 50mDelta

Deal found 4/7£404

Tue 30/921:55YUL - LHR

Nonstop6h 40mLufthansa

Mon 6/1009:30LHR - YUL

Nonstop7h 10mLufthansa

Deal found 2/7£407

Mon 20/1022:10YUL - LHR

Nonstop6h 40mFinnair

Tue 4/1116:30LHR - YUL

Nonstop7h 35mFinnair

Deal found 3/7£435

Thu 2/1022:05YUL - LHR

Nonstop6h 40mBritish Airways

Sat 11/1018:05LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 3/7£437

Sat 8/1110:35YHZ - LHR

Nonstop6h 00mAir Canada

Sat 15/1109:00LHR - YHZ

Nonstop6h 55mAir Canada

Deal found 2/7£441

Sat 8/1110:35YHZ - LHR

Nonstop6h 00mLufthansa

Sat 15/1109:00LHR - YHZ

Nonstop6h 55mLufthansa

Deal found 2/7£442

Sun 19/1022:00YYZ - LHR

Nonstop7h 15mAmerican Airlines

Mon 27/1011:45LHR - YYZ

Nonstop8h 10mAmerican Airlines

Deal found 2/7£454

Last-minute flights from Canada to Heathrow
Discover last-minute flight deals from Canada to Heathrow. Data last updated 4 July 2025 and is based on user searches.

Wed 9/712:25YTZ - LHR

1 stop13h 05mAir Canada

Wed 27/806:50LHR - YTZ

2 stops14h 56mAir Canada

Deal found 30/6£473

Thu 10/712:06YYZ - LHR

1 stop13h 19mDelta

Sat 4/1017:50LHR - YYZ

Nonstop7h 50mDelta

Deal found 1/7£499

Sat 12/722:15YUL - LHR

1 stop17h 45mAir Canada

Fri 12/906:50LHR - YUL

1 stop9h 45mAir Canada

Deal found 3/7£490

Sat 12/722:00YYZ - LHR

Nonstop7h 15mAmerican Airlines

Wed 1/1017:15LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 1/7£493

Sun 13/723:45YYZ - LHR

Nonstop7h 05mAir Canada

Sat 30/809:30LHR - YYZ

1 stop10h 05mAir Canada

Deal found 3/7£393

Sun 13/723:30YYZ - LHR

1 stop14h 05mVirgin Atlantic

Wed 1/1017:50LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Deal found 1/7£498

Mon 14/723:00YYZ - LHR

1 stop13h 45mMultiple Airlines

Wed 1/1006:15LHR - YYZ

2 stops15h 35mMultiple Airlines

Deal found 1/7£441

Mon 14/717:20YYZ - LHR

1 stop12h 00mAer Lingus

Mon 13/1007:40LHR - YYZ

1 stop13h 10mAer Lingus

Deal found 3/7£451

Mon 14/722:20YHZ - LHR

1 stop30h 50mMultiple Airlines

Thu 14/806:20LHR - YHZ

1 stop9h 35mMultiple Airlines

Deal found 2/7£484

Mon 14/723:00YYZ - LHR

1 stop13h 45mTAP AIR PORTUGAL

Wed 1/1006:00LHR - YYZ

1 stop12h 55mTAP AIR PORTUGAL

Deal found 1/7£485

Mon 14/720:30YYZ - LHR

Nonstop7h 05mLufthansa

Thu 4/908:30LHR - YYZ

Nonstop7h 55mLufthansa

Deal found 1/7£503

Mon 14/722:25YUL - LHR

Nonstop6h 35mLufthansa

Wed 10/909:30LHR - YUL

Nonstop7h 10mLufthansa

Deal found 2/7£503

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 4 July 2025.

Sun 19/1010:25YXX - LHR

1 stop17h 40mWestJet

Deal found 1/7£154

Tue 14/1018:15YWG - LHR

2 stops35h 50mWestJet

Deal found 1/7£174

Wed 8/1022:50YHZ - LHR

1 stop9h 40mMultiple Airlines

Deal found 2/7£176

Thu 28/822:40YYZ - LHR

1 stop16h 40mMultiple Airlines

Deal found 3/7£194

Fri 18/723:00YYZ - LHR

1 stop13h 45mTAP AIR PORTUGAL

Deal found 3/7£195

Sun 21/915:25YTZ - LHR

1 stop10h 05mAir Canada

Deal found 1/7£204

Mon 29/921:30YYZ - LHR

Nonstop7h 30mAir Canada

Deal found 3/7£211

Wed 5/1122:00YUL - LHR

1 stop11h 25mMultiple Airlines

Deal found 3/7£219

Wed 9/722:25YUL - LHR

Nonstop6h 35mAir Canada

Deal found 3/7£220

Wed 10/922:45YUL - LHR

1 stop11h 50mTAP AIR PORTUGAL

Deal found 3/7£221

Tue 5/810:55YXX - LHR

2 stops25h 10mMultiple Airlines

Deal found 3/7£222

Wed 17/923:35YYZ - LHR

Nonstop7h 15mLufthansa

Deal found 3/7£222

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

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 4/9

23:00-11:55

1 stop31h 55m

London Heathrow

Tue 16/9

21:25-21:55

1 stop29h 30m

£392

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 19/10

06:30-21:00

1 stop9h 30m

London Heathrow

Mon 27/10

20:05-16:50

1 stop24h 45m

£393

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 20/10

14:00-21:00

1 stop26h 00m

London Heathrow

Wed 29/10

07:40-15:55

1 stop12h 15m

£393

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

21:55-09:35

Nonstop6h 40m

London Heathrow

Wed 22/10

09:30-11:40

Nonstop7h 10m

£394

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 24/8

17:35-17:45

1 stop19h 10m

London Heathrow

Wed 17/9

06:00-13:55

1 stop12h 55m

£396

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Sun 17/8

15:25-10:00

1 stop13h 35m

London Heathrow

Tue 26/8

09:30-14:46

1 stop10h 16m

£396

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

22:45-15:35

1 stop11h 50m

London Heathrow

Wed 10/9

08:00-20:45

1 stop17h 45m

£396

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 19/8

23:45-11:50

Nonstop7h 05m

London Heathrow

Thu 28/8

06:50-11:35

1 stop9h 45m

£397

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 1/10

22:30-10:40

Nonstop7h 10m

London Heathrow

Wed 22/10

08:40-19:55

1 stop16h 15m

£400

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 10/9

21:55-09:35

Nonstop6h 40m

London Heathrow

Mon 22/9

06:50-11:35

1 stop9h 45m

£402

Flights are sorted by cheapest return flights first.

Deals found on 1/7

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 Tuesday (46 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (34 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

7,982 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

7,982 reviews

Delta

8.0

Very Good

7,982 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

1,367 reviews

Delta

8.0

Very Good

7,982 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

809 reviews

Delta

8.0

Very Good

7,982 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

1,304 reviews

Delta

8.0

Very Good

7,982 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!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very Good

7,982 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 £154 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from £195 and Air Canada from £204 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%), Ethiopian Air (82%) or Singapore Airlines (81%) 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 £1,321, our data shows the cheapest flight currently is £216. When looking at the most popular route, (Toronto Pearson Intl - London Heathrow), you can expect to pay £359 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

Hounslow

Croydon

Milton Keynes

Deal

Northampton

Gatwick

Luton

Slough

Wembley

Crawley

Eastbourne

Ilford

Hayes

Folkestone

Southend-on-Sea

Watford

Ipswich

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£295	Average£515	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
WestJet	Cheapest£333	Average£584	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Aer Lingus	Cheapest£359	Average£433	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air Canada	Cheapest£367	Average£577	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Virgin Atlantic	Cheapest£389	Average£501	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£394	Average£627	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
British Airways	Cheapest£397	Average£601	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£398	Average£517	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Finnair	Cheapest£408	Average£501	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
American Airlines	Cheapest£410	Average£410	FlexibilityNo cancel fee	On-time71%	Search American Airlines 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 £154

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 19/10. 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 4 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 4 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 4 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 4 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 4 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?

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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 4 July 2025.