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Cheap flights from Canada to London Heathrow Airport from C$ 282

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 14/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 705

One-way from

C$ 282

Popular in

December

Cheapest in

February

Average price

C$ 912

Good round-trip deal

C$ 938 or less

Good one-way deal

C$ 407 or less
Air Canada
  • Air Canada
  • 16/9-19/9
  • Nonstop
  • 14h 55m total
  • Canada to London
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WestJet
  • WestJet
  • 14/10
  • 2 total stops
  • 30h 45m total
  • Canada to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Canada to London Heathrow.
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Price to beat on a one-way flight from Canada to London Heathrow.
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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 12 June 2025.

Tue 16/98:30 p.m.YYZ - LHR
Nonstop7h 05mAir Canada
Fri 19/98:30 a.m.LHR - YYZ
Nonstop7h 50mAir Canada
Deal found 12/6C$ 705
Thu 11/94:20 p.m.YTZ - LHR
1 stop9h 10mAir Canada
Sat 13/99:30 a.m.LHR - YTZ
1 stop10h 15mAir Canada
Deal found 11/6C$ 707
Fri 10/1010:30 p.m.YYZ - LHR
Nonstop7h 10mVirgin Atlantic
Mon 13/109:55 a.m.LHR - YYZ
1 stop15h 00mVirgin Atlantic
Deal found 12/6C$ 708
Wed 17/99:30 p.m.YYZ - LHR
Nonstop7h 30mMultiple Airlines
Wed 1/105:10 p.m.LHR - YYZ
1 stop24h 40mMultiple Airlines
Deal found 11/6C$ 723
Wed 3/99:55 p.m.YUL - LHR
Nonstop6h 40mAir Canada
Wed 24/98:40 a.m.LHR - YUL
1 stop11h 20mAir Canada
Deal found 11/6C$ 725
Sun 10/811:15 p.m.YHZ - LHR
1 stop11h 00mMultiple Airlines
Thu 14/86:20 a.m.LHR - YHZ
1 stop9h 35mMultiple Airlines
Deal found 11/6C$ 737
Fri 10/105:20 p.m.YYZ - LHR
1 stop9h 40mAer Lingus
Thu 23/109:50 a.m.LHR - YYZ
1 stop11h 00mAer Lingus
Deal found 12/6C$ 738
Thu 18/910:05 p.m.YYZ - LHR
Nonstop7h 15mBritish Airways
Mon 22/95:15 p.m.LHR - YYZ
Nonstop7h 55mBritish Airways
Deal found 11/6C$ 742
Fri 3/1010:30 p.m.YYZ - LHR
Nonstop7h 10mDelta
Wed 8/103:20 p.m.LHR - YYZ
1 stop10h 35mDelta
Deal found 10/6C$ 748
Thu 18/99:30 p.m.YYZ - LHR
Nonstop7h 30mLufthansa
Sat 4/1012:40 p.m.LHR - YYZ
1 stop11h 23mLufthansa
Deal found 10/6C$ 749
Wed 1/109:55 p.m.YUL - LHR
Nonstop6h 40mLufthansa
Sun 12/109:30 a.m.LHR - YUL
Nonstop7h 10mLufthansa
Deal found 11/6C$ 753
Mon 8/99:55 p.m.YUL - LHR
Nonstop6h 40mMultiple Airlines
Mon 15/95:50 p.m.LHR - YUL
1 stop22h 45mMultiple Airlines
Deal found 12/6C$ 757

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 12 June 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

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Thu 11/9

4:20 p.m.-6:30 a.m.

1 stop9h 10m

London Heathrow

Sat 13/9

9:30 a.m.-2:45 p.m.

1 stop10h 15m

C$ 707

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 10/9

4:00 p.m.-6:30 a.m.

1 stop9h 30m

London Heathrow

Wed 17/9

5:40 p.m.-11:10 p.m.

1 stop10h 30m

C$ 716

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

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

Nonstop6h 40m

London Heathrow

Wed 24/9

8:40 a.m.-3:00 p.m.

1 stop11h 20m

C$ 725

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Sun 10/8

11:15 p.m.-2:15 p.m.

1 stop11h 00m

London Heathrow

Thu 14/8

6:20 a.m.-11:55 a.m.

1 stop9h 35m

C$ 737

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 3/9

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

Nonstop6h 40m

London Heathrow

Wed 10/9

6:50 a.m.-11:35 a.m.

1 stop9h 45m

C$ 738

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 4/9

10:05 p.m.-10:20 a.m.

Nonstop7h 15m

London Heathrow

Tue 16/9

1:20 p.m.-4:00 p.m.

Nonstop7h 40m

C$ 741

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 10/9

4:00 p.m.-8:35 a.m.

1 stop11h 35m

London Heathrow

Wed 24/9

5:40 p.m.-6:30 p.m.

1 stop29h 50m

C$ 744

MontrealLondon

YUL - LHR

YULLHR

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

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

Nonstop6h 40m

London Heathrow

Sun 5/10

9:30 a.m.-11:40 a.m.

Nonstop7h 10m

C$ 753

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sat 6/9

10:00 p.m.-10:15 a.m.

Nonstop7h 15m

London Heathrow

Tue 16/9

5:15 p.m.-8:10 p.m.

Nonstop7h 55m

C$ 770

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 1/9

10:10 p.m.-12:40 p.m.

1 stop9h 30m

London Heathrow

Mon 15/9

6:20 a.m.-2:10 p.m.

1 stop12h 50m

C$ 774

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

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 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?

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 12 June 2025.

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

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 12 June 2025.

The most flights from CA0 to LHR are scheduled on a Thursday (45 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (20 on average).

Rainfall in Heathrow by month

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

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

Temperature in Heathrow by month

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

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

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 12 June 2025.
Peruse reviews from past customers who have flown with Delta, Alaska Airlines and KLM from Canada to London to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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!
Alaska Airlines
8.0
Very good
10,000 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,358 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
802 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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
1,290 reviews
Delta
8.0
Very good
7,946 reviews
Check prices

Food

7.3

Entertainment

7.9

Boarding

8.2

Overall

8.0

Comfort

7.9

Crew

8.5

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?

    The cheapest airlines for a one-way flight from Canada to London Heathrow Airport are WestJet (C$ 282), Air Canada (C$ 402), and Lufthansa (C$ 418).

  • 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%), Ethiopian Air (85%), Singapore Airlines( 84%).

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

    Looking at all options, your cheapest flight can be booked for C$ 560. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for C$ 528 on average our data indicates C$ 3,226 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

Travelling to a place near Canada?

Book flights to Canada if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Leamington Spa
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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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.
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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 629,999 searches. Data last updated 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
PLAYCheapestC$ 505AverageC$ 630FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
WestJet EncoreCheapestC$ 546AverageC$ 696FlexibilityNo cancel feeOn-timeN/A
Search WestJet Encore flights
TAP AIR PORTUGALCheapestC$ 592AverageC$ 676FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air FranceCheapestC$ 603AverageC$ 950FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapestC$ 604AverageC$ 916FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Porter AirlinesCheapestC$ 623AverageC$ 754FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
WestJetCheapestC$ 625AverageC$ 997FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air TransatCheapestC$ 645AverageC$ 997FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Aer LingusCheapestC$ 669AverageC$ 793FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
DeltaCheapestC$ 692AverageC$ 1,028FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from 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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