What are the cheapest airlines to fly from Canada to London Heathrow Airport one-way?

The cheapest airlines for a one-way flight from Canada to London Heathrow Airport are WestJet (C$ 237), TAP AIR PORTUGAL (C$ 365), and Air Canada (C$ 379).

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.

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 travellers 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?

Looking at all options, your cheapest flight can be booked for C$ 413. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for C$ 715 on average our data indicates C$ 2,218 when flying from Canada to London Heathrow Airport.

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

Before booking your flight to London Heathrow Airport from Canada, check out the most reliable airlines to get you to your destination on time: Croatia Airlines (88%), KLM (87%), Air France( 87%).

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

American Airlines, Air Canada and Air France are the most popular airlines when flying from Canada to London Heathrow Airport.

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

To save up to 14% on this flight, we recommend booking at least 55 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Canada to London Heathrow Airport from C$ 833 1-2 weeks out and tickets from C$ 1,129 for flights departing within the next 72 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 C$ 844 per person but you can even find prices for as low as C$ 524. 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 vacation 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.

C$ 237+ Flights from Canada to London Heathrow Airport

Cheap flight deals from Canada to Heathrow

Round-trip from	C$ 697
One-way from	C$ 237
Popular in	December
Cheapest in	February
Average price	C$ 1,056
Good round-trip deal	C$ 767 or less
Good one-way deal	C$ 568 or less

Air Canada
6/9-14/9
3 total stops
33h 35m total
Canada to London

Search Deals

WestJet
10/1
1 total stop
23h 20m total
Canada to London

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (C$ 47 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT 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 29 July 2025.

Sat 6/97:15 a.m.YHZ - LHR

2 stops19h 15mAir Canada

Sun 14/96:00 a.m.LHR - YHZ

1 stop14h 20mAir Canada

Deal found 27/7C$ 697

Wed 10/911:00 a.m.YHZ - LHR

Nonstop6h 00mMultiple Airlines

Sun 21/96:00 a.m.LHR - YHZ

1 stop14h 20mMultiple Airlines

Deal found 29/7C$ 722

Tue 7/108:50 p.m.YYZ - LHR

1 stop18h 30mIcelandair

Mon 10/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 29/7C$ 737

Wed 10/94:10 p.m.YTZ - LHR

1 stop11h 25mAir Canada

Sat 13/92:05 p.m.LHR - YTZ

1 stop12h 29mAir Canada

Deal found 29/7C$ 738

Sat 6/99:55 p.m.YUL - LHR

Nonstop6h 40mAir Canada

Tue 23/96:00 a.m.LHR - YUL

2 stops17h 20mAir Canada

Deal found 27/7C$ 738

Mon 8/92:00 p.m.YYZ - LHR

1 stop11h 30mAir Canada

Sun 14/98:30 a.m.LHR - YYZ

Nonstop7h 55mAir Canada

Deal found 29/7C$ 739

Thu 18/96:05 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Sun 28/95:15 p.m.LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 27/7C$ 741

Tue 14/1010:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Tue 21/106:30 a.m.LHR - YYZ

1 stop11h 50mDelta

Deal found 27/7C$ 742

Fri 19/94:00 p.m.YUL - LHR

1 stop13h 00mMultiple Airlines

Fri 10/109:00 a.m.LHR - YUL

1 stop17h 00mMultiple Airlines

Deal found 28/7C$ 742

Tue 30/95:10 p.m.YUL - LHR

1 stop11h 50mLufthansa

Tue 14/1010:50 a.m.LHR - YUL

1 stop13h 00mLufthansa

Deal found 28/7C$ 744

Mon 8/911:00 a.m.YHZ - LHR

Nonstop6h 00mLufthansa

Wed 24/95:40 p.m.LHR - YHZ

Nonstop6h 45mLufthansa

Deal found 29/7C$ 746

Wed 1/1011:15 p.m.YYZ - LHR

1 stop26h 15mLufthansa

Mon 13/105:40 p.m.LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 28/7C$ 749

Best flights from Canada to Heathrow
Discover carefully curated flight deals from Canada to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 July 2025.

Sat 6/97:15 a.m.YHZ - LHR

2 stops19h 15mAir Canada

Sun 14/96:00 a.m.LHR - YHZ

1 stop14h 20mAir Canada

Deal found 27/7C$ 697

Wed 10/911:00 a.m.YHZ - LHR

Nonstop6h 00mMultiple Airlines

Sun 21/96:00 a.m.LHR - YHZ

1 stop14h 20mMultiple Airlines

Deal found 29/7C$ 722

Mon 12/15:25 p.m.YXX - LHR

1 stop11h 25mWestJet

Sun 25/12:50 p.m.LHR - YXX

1 stop17h 20mWestJet

Deal found 29/7C$ 726

Tue 7/108:50 p.m.YYZ - LHR

1 stop18h 30mIcelandair

Mon 10/1112:15 p.m.LHR - YYZ

1 stop11h 00mIcelandair

Deal found 29/7C$ 737

Thu 18/910:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Mon 20/1011:45 a.m.LHR - YYZ

1 stop13h 10mDelta

Deal found 29/7C$ 741

Tue 14/1010:30 p.m.YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Tue 21/102:45 p.m.LHR - YYZ

1 stop10h 10mVirgin Atlantic

Deal found 28/7C$ 742

Tue 4/1110:05 p.m.YYZ - LHR

Nonstop7h 05mBritish Airways

Wed 19/1111:40 a.m.LHR - YYZ

Nonstop8h 10mBritish Airways

Deal found 27/7C$ 744

Tue 30/95:10 p.m.YUL - LHR

1 stop11h 50mLufthansa

Tue 14/1010:50 a.m.LHR - YUL

1 stop13h 00mLufthansa

Deal found 28/7C$ 744

Thu 11/97:05 p.m.YHZ - LHR

1 stop22h 40mSWISS

Wed 24/98:05 p.m.LHR - YHZ

1 stop24h 15mSWISS

Deal found 29/7C$ 750

Mon 8/911:25 a.m.YHZ - LHR

2 stops30h 15mAustrian Airlines

Mon 22/97:30 p.m.LHR - YHZ

2 stops30h 33mAustrian Airlines

Deal found 27/7C$ 767

Wed 24/910:00 p.m.YYZ - LHR

Nonstop7h 15mAmerican Airlines

Sun 5/105:15 p.m.LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 29/7C$ 774

Thu 4/95:20 p.m.YYZ - LHR

1 stop9h 40mAer Lingus

Sun 21/98:50 a.m.LHR - YYZ

1 stop12h 00mAer Lingus

Deal found 27/7C$ 785

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 29 July 2025.

Wed 10/911:00 a.m.YHZ - LHR

Nonstop6h 00mAir Canada

Wed 17/95:40 p.m.LHR - YHZ

Nonstop6h 45mAir Canada

Deal found 27/7C$ 719

Mon 15/99:55 p.m.YUL - LHR

Nonstop6h 40mAir Canada

Mon 22/99:30 a.m.LHR - YUL

Nonstop7h 10mAir Canada

Deal found 27/7C$ 738

Thu 18/96:05 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Sun 28/95:15 p.m.LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 27/7C$ 741

Wed 10/911:00 a.m.YHZ - LHR

Nonstop6h 00mLufthansa

Mon 22/912:40 p.m.LHR - YHZ

Nonstop6h 45mLufthansa

Deal found 29/7C$ 746

Wed 1/106:20 p.m.YYZ - LHR

Nonstop7h 15mLufthansa

Thu 23/105:40 p.m.LHR - YYZ

Nonstop7h 50mLufthansa

Deal found 28/7C$ 749

Sun 7/99:55 p.m.YUL - LHR

Nonstop6h 40mLufthansa

Fri 12/99:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Deal found 29/7C$ 753

Mon 22/910:30 p.m.YYZ - LHR

Nonstop7h 10mDelta

Thu 9/105:50 p.m.LHR - YYZ

Nonstop7h 50mDelta

Deal found 28/7C$ 755

Thu 9/1010:05 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Tue 14/106:05 p.m.LHR - YUL

Nonstop7h 10mBritish Airways

Deal found 29/7C$ 757

Mon 8/96:05 p.m.YYZ - LHR

Nonstop7h 10mAmerican Airlines

Sun 14/95:15 p.m.LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 29/7C$ 771

Sat 4/1010:05 p.m.YUL - LHR

Nonstop6h 40mAmerican Airlines

Mon 13/106:05 p.m.LHR - YUL

Nonstop7h 10mAmerican Airlines

Deal found 29/7C$ 778

Sun 7/96:05 p.m.YYZ - LHR

Nonstop7h 10mMultiple Airlines

Sat 13/95:15 p.m.LHR - YYZ

Nonstop7h 55mMultiple Airlines

Deal found 28/7C$ 781

Thu 23/1010:05 p.m.YUL - LHR

Nonstop6h 40mMultiple Airlines

Mon 27/104:10 p.m.LHR - YUL

Nonstop7h 35mMultiple Airlines

Deal found 27/7C$ 819

Last-minute flights from Canada to Heathrow
Discover last-minute flight deals from Canada to Heathrow. Data last updated 29 July 2025 and is based on user searches.

Sun 3/88:50 p.m.YYZ - LHR

1 stop19h 10mAir Canada

Sat 23/85:40 p.m.LHR - YYZ

1 stop17h 52mAir Canada

Deal found 27/7C$ 894

Mon 4/85:20 p.m.YYZ - LHR

1 stop10h 45mAer Lingus

Wed 26/119:50 a.m.LHR - YYZ

1 stop11h 05mAer Lingus

Deal found 28/7C$ 830

Mon 4/88:10 p.m.YHZ - LHR

1 stop9h 50mMultiple Airlines

Thu 4/98:40 a.m.LHR - YHZ

1 stop11h 40mMultiple Airlines

Deal found 27/7C$ 874

Mon 4/811:45 p.m.YYZ - LHR

Nonstop7h 05mMultiple Airlines

Wed 3/95:40 p.m.LHR - YYZ

1 stop10h 30mMultiple Airlines

Deal found 27/7C$ 888

Mon 4/87:15 a.m.YYZ - LHR

1 stop9h 25mAmerican Airlines

Wed 3/95:15 p.m.LHR - YYZ

Nonstop7h 55mAmerican Airlines

Deal found 28/7C$ 893

Mon 4/88:10 p.m.YHZ - LHR

1 stop9h 50mLufthansa

Fri 5/92:05 p.m.LHR - YHZ

1 stop11h 58mLufthansa

Deal found 27/7C$ 899

Tue 5/86:55 p.m.YUL - LHR

Nonstop6h 35mLufthansa

Sun 28/99:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Deal found 27/7C$ 905

Tue 5/88:30 p.m.YYZ - LHR

Nonstop7h 05mLufthansa

Wed 10/911:30 a.m.LHR - YYZ

1 stop13h 15mLufthansa

Deal found 28/7C$ 930

Thu 7/88:50 a.m.YTZ - LHR

1 stop16h 40mAir Canada

Sun 31/86:50 a.m.LHR - YTZ

2 stops14h 56mAir Canada

Deal found 26/7C$ 838

Thu 7/89:40 a.m.YUL - LHR

1 stop15h 50mAir Canada

Sun 24/86:50 a.m.LHR - YUL

1 stop9h 40mAir Canada

Deal found 29/7C$ 893

Thu 7/812:05 p.m.YYZ - LHR

2 stops13h 40mUnited Airlines

Thu 18/91:45 p.m.LHR - YYZ

2 stops23h 11mUnited Airlines

Deal found 28/7C$ 959

Fri 8/86:05 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Sat 6/95:15 p.m.LHR - YYZ

Nonstop7h 55mBritish Airways

Deal found 27/7C$ 933

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 29 July 2025.

Sat 10/15:30 a.m.YXX - LHR

1 stop23h 20mWestJet

Deal found 28/7C$ 237

Sat 15/1112:55 p.m.YWG - LHR

2 stops41h 55mWestJet

Deal found 29/7C$ 344

Mon 25/810:35 p.m.YHZ - LHR

1 stop20h 05mMultiple Airlines

Deal found 27/7C$ 350

Sat 15/112:10 p.m.YYZ - LHR

1 stop17h 40mMultiple Airlines

Deal found 29/7C$ 365

Mon 13/1010:45 p.m.YUL - LHR

1 stop19h 10mTAP AIR PORTUGAL

Deal found 29/7C$ 365

Mon 18/85:50 p.m.YYZ - LHR

1 stop11h 30mTAP AIR PORTUGAL

Deal found 29/7C$ 372

Tue 18/112:35 p.m.YXX - LHR

2 stops38h 15mMultiple Airlines

Deal found 27/7C$ 377

Tue 30/95:25 p.m.YTZ - LHR

1 stop11h 10mAir Canada

Deal found 27/7C$ 379

Sat 4/103:45 p.m.YOW - LHR

1 stop15h 20mWestJet

Deal found 29/7C$ 392

Fri 3/1011:00 p.m.YUL - LHR

1 stop10h 15mMultiple Airlines

Deal found 29/7C$ 398

Fri 12/99:00 a.m.YYZ - LHR

1 stop16h 30mAir Canada

Deal found 29/7C$ 399

Wed 15/109:05 p.m.YWG - LHR

2 stops42h 30mMultiple Airlines

Deal found 28/7C$ 405

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

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Sat 6/9

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

2 stops19h 15m

London Heathrow

Sun 14/9

6:00 a.m.-4:20 p.m.

1 stop14h 20m

C$ 697

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Wed 10/9

11:00 a.m.-9:00 p.m.

Nonstop6h 00m

London Heathrow

Sun 21/9

6:00 a.m.-4:20 p.m.

1 stop14h 20m

C$ 722

AbbotsfordLondon

YXX - LHR

YXXLHR

Abbotsford

Mon 12/1

5:25 p.m.-12:50 p.m.

1 stop11h 25m

London Heathrow

Sun 25/1

2:50 p.m.-12:10 a.m.

1 stop17h 20m

C$ 726

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 7/10

8:50 p.m.-8:20 p.m.

1 stop18h 30m

London Heathrow

Mon 10/11

12:15 p.m.-6:15 p.m.

1 stop11h 00m

C$ 737

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 10/9

4:10 p.m.-8:35 a.m.

1 stop11h 25m

London Heathrow

Sat 13/9

2:05 p.m.-9:34 p.m.

1 stop12h 29m

C$ 738

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Sat 6/9

9:55 p.m.-9:35 a.m.

Nonstop6h 40m

London Heathrow

Tue 23/9

6:00 a.m.-6:20 p.m.

2 stops17h 20m

C$ 738

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 8/9

2:00 p.m.-6:30 a.m.

1 stop11h 30m

London Heathrow

Sun 14/9

8:30 a.m.-11:25 a.m.

Nonstop7h 55m

C$ 739

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 18/9

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Mon 20/10

11:45 a.m.-7:55 p.m.

1 stop13h 10m

C$ 741

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 14/10

10:30 p.m.-10:40 a.m.

Nonstop7h 10m

London Heathrow

Tue 21/10

2:45 p.m.-7:55 p.m.

1 stop10h 10m

C$ 742

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Fri 19/9

4:00 p.m.-10:00 a.m.

1 stop13h 00m

London Heathrow

Fri 10/10

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

1 stop17h 00m

C$ 742

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/7

Showing 1-10 of 53 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 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 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 C$ 560). Flying from Canada to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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?

When flying from Canada 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 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 (30 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

7,977 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

7,977 reviews

Delta

8.0

Very good

7,977 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

1,383 reviews

Delta

8.0

Very good

7,977 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

821 reviews

Delta

8.0

Very good

7,977 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

7,977 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

1,683 reviews

Delta

8.0

Very good

7,977 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?
The cheapest airlines for a one-way flight from Canada to London Heathrow Airport are WestJet (C$ 237), TAP AIR PORTUGAL (C$ 365), and Air Canada (C$ 379).
What are the most popular routes from Canada to London Heathrow Airport?
Most travellers 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?
Before booking your flight to London Heathrow Airport from Canada, check out the most reliable airlines to get you to your destination on time: Croatia Airlines (88%), KLM (87%), Air France( 87%).
What are the cheapest flights from Canada to London Heathrow Airport?
Looking at all options, your cheapest flight can be booked for C$ 413. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for C$ 715 on average our data indicates C$ 2,218 when flying from Canada to London Heathrow Airport.
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 vacation 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 C$ 560). Flying from Canada to London Heathrow Airport in July is currently the most expensive (average of C$ 857). 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

Brentford

Sutton

Hounslow

Slough

Marlow

Leamington Spa

Milton Keynes

Romford

Watford

Bromley

Luton

Bedford

Southall

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
WestJet	CheapestC$ 218	AverageC$ 857	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
PLAY	CheapestC$ 507	AverageC$ 631	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
WestJet Encore	CheapestC$ 547	AverageC$ 698	FlexibilityNo cancel fee	On-timeN/A	Search WestJet Encore flights
TAP AIR PORTUGAL	CheapestC$ 594	AverageC$ 689	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
Icelandair	CheapestC$ 617	AverageC$ 894	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Porter Airlines	CheapestC$ 625	AverageC$ 806	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Transat	CheapestC$ 648	AverageC$ 978	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Aer Lingus	CheapestC$ 674	AverageC$ 812	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Delta	CheapestC$ 695	AverageC$ 1,034	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
KLM	CheapestC$ 696	AverageC$ 1,105	FlexibilityNo cancel fee	On-time75%	Search KLM 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 simply makes it quick and affordable to book flights from Canada to Heathrow by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily find flights from Canada to Heathrow with no change fees.

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

Yes, Cheapflights offers price alerts on Canada to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Canada to London Heathrow Airport from C$ 237

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.

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 29 July 2025.

Round-trip from

One-way from

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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 29 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 29 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 29 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 29 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?

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

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

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

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

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

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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 29 July 2025.