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Cheap flights from Canada to London Heathrow Airport from C$ 340

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 30/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — LHR
30 Mar — 6 Apr1
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 25 March 2025.

Round-trip from

C$ 672

One-way from

C$ 340

Popular in

December

Cheapest in

February

Average price

C$ 794

Good round-trip deal

C$ 867 or less

Good one-way deal

C$ 421 or less
Icelandair
  • Icelandair
  • 8/6-14/6
  • 2 total stops
  • 45h 50m total
  • Canada to London
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30/3
  • 30/3
  • 2 total stops
  • 18h 50m total
  • Canada to London
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (C$ 25 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 34 potential savings vs. average RT price).
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Average for round-trip flights in March 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 25 March 2025.

Sun 8/611:00 p.m.YYZ - LHR
1 stop16h 20mIcelandair
Sat 14/69:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 24/3C$ 672
Wed 21/54:20 p.m.YTZ - LHR
2 stops12h 40mAir Canada
Wed 28/58:40 a.m.LHR - YTZ
2 stops17h 55mAir Canada
Deal found 22/3C$ 678
Thu 1/510:40 p.m.YYZ - LHR
1 stop17h 20mAir Canada
Thu 8/58:40 a.m.LHR - YYZ
1 stop12h 45mAir Canada
Deal found 24/3C$ 683
Fri 4/45:25 p.m.YYZ - LHR
1 stop9h 35mAer Lingus
Mon 7/47:40 a.m.LHR - YYZ
1 stop13h 00mAer Lingus
Deal found 24/3C$ 693
Mon 5/511:35 p.m.YYZ - LHR
Nonstop7h 15mMultiple Airlines
Tue 13/56:00 a.m.LHR - YYZ
1 stop15h 25mMultiple Airlines
Deal found 24/3C$ 698
Wed 7/57:20 p.m.YTZ - LHR
1 stop8h 15mMultiple Airlines
Wed 14/57:00 a.m.LHR - YTZ
2 stops17h 50mMultiple Airlines
Deal found 23/3C$ 703
Wed 23/49:35 p.m.YYZ - LHR
1 stop18h 25mLufthansa
Mon 12/56:55 a.m.LHR - YYZ
1 stop12h 35mLufthansa
Deal found 24/3C$ 729
Tue 6/58:15 p.m.YYZ - LHR
1 stop16h 35mSWISS
Tue 13/58:45 a.m.LHR - YYZ
1 stop12h 40mSWISS
Deal found 23/3C$ 749
Wed 21/511:00 a.m.YHZ - LHR
Nonstop6h 00mLufthansa
Tue 27/512:40 p.m.LHR - YHZ
Nonstop6h 45mLufthansa
Deal found 24/3C$ 754
Sat 10/55:45 a.m.YHZ - LHR
2 stops22h 50mAir Canada
Sun 18/59:30 a.m.LHR - YHZ
1 stop10h 16mAir Canada
Deal found 24/3C$ 772
Sun 11/55:25 p.m.YTZ - LHR
2 stops18h 10mSWISS
Wed 21/57:00 a.m.LHR - YTZ
2 stops17h 50mSWISS
Deal found 23/3C$ 776
Fri 2/53:00 p.m.YYZ - LHR
2 stops14h 40mUnited Airlines
Sat 10/56:50 a.m.LHR - YYZ
2 stops17h 10mUnited Airlines
Deal found 24/3C$ 808

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 25 March 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

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Sun 8/6

11:00 p.m.-8:20 p.m.

1 stop16h 20m

London Heathrow

Sat 14/6

9:25 p.m.-9:55 p.m.

1 stop29h 30m

C$ 672

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 1/5

10:40 p.m.-9:00 p.m.

1 stop17h 20m

London Heathrow

Thu 8/5

8:40 a.m.-4:25 p.m.

1 stop12h 45m

C$ 683

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 4/4

5:25 p.m.-8:00 a.m.

1 stop9h 35m

London Heathrow

Mon 7/4

7:40 a.m.-3:40 p.m.

1 stop13h 00m

C$ 693

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Fri 2/5

8:50 a.m.-6:30 a.m.

2 stops16h 40m

London Heathrow

Fri 9/5

8:40 a.m.-5:50 p.m.

2 stops14h 10m

C$ 695

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 5/5

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

Nonstop7h 15m

London Heathrow

Tue 13/5

6:00 a.m.-4:25 p.m.

1 stop15h 25m

C$ 698

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 23/4

9:35 p.m.-9:00 p.m.

1 stop18h 25m

London Heathrow

Mon 12/5

6:55 a.m.-2:30 p.m.

1 stop12h 35m

C$ 729

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Mon 5/5

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

1 stop9h 10m

London Heathrow

Wed 28/5

7:00 a.m.-7:50 p.m.

2 stops17h 50m

C$ 744

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Mon 26/5

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

Nonstop6h 00m

London Heathrow

Tue 10/6

10:30 a.m.-6:00 p.m.

1 stop11h 30m

C$ 752

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Wed 30/4

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

Nonstop6h 00m

London Heathrow

Tue 6/5

1:30 p.m.-1:49 a.m.

2 stops16h 19m

C$ 762

HalifaxLondon

YHZ - LHR

YHZLHR

Halifax Intl

Tue 13/5

9:55 p.m.-8:35 a.m.

1 stop30h 40m

London Heathrow

Tue 27/5

2:05 p.m.-10:00 a.m.

2 stops23h 55m

C$ 765

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

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$ 874). 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 25 March 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 25 March 2025.

The most flights from CA0 to LHR are scheduled on a Friday (33 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (21 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 25 March 2025.
Peruse reviews from past customers who have flown with Delta, KLM and Azores Airlines 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
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,890 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,318 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Azores Airlines
7.6
Good
63 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
LOT
7.6
Good
1,061 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Finnair
7.6
Good
1,266 reviews
Delta
8.0
Very good
7,890 reviews
Check prices

Entertainment

7.9

Overall

8.0

Crew

8.5

Food

7.3

Boarding

8.2

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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$ 377), TAP AIR PORTUGAL (C$ 423), and Air Canada (C$ 473).

  • 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: American Airlines (70%), Aer Lingus (70%), Finnair( 70%).

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

    Looking at all options, your cheapest flight can be booked for C$ 505. While the most popular route (Toronto Pearson Intl - London Heathrow) can be booked for C$ 446 on average our data indicates C$ 3,049 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$ 874). 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
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
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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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 450AverageC$ 979FlexibilityNo cancel feeOn-time60%
Search WestJet flights
FinnairCheapestC$ 504AverageC$ 1,056FlexibilityNo cancel feeOn-time76%
Search Finnair flights
PLAYCheapestC$ 531AverageC$ 681FlexibilityNo cancel feeOn-timeN/A
Search PLAY flights
TAP AIR PORTUGALCheapestC$ 550AverageC$ 698FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
Air FranceCheapestC$ 632AverageC$ 1,020FlexibilityNo cancel feeOn-time77%
Search Air France flights
IcelandairCheapestC$ 639AverageC$ 985FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapestC$ 667AverageC$ 836FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Porter AirlinesCheapestC$ 673AverageC$ 1,028FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
DeltaCheapestC$ 695AverageC$ 1,099FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Air TransatCheapestC$ 720AverageC$ 1,031FlexibilityNo cancel feeOn-time50%
Search Air Transat 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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