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C$ 341+ Cheap flights to Heathrow

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 16/6. Fares are subject to change and may not be available on all flights or dates of travel.
— LHR
4 May — 11 May1
1 adult

Flights to Heathrow in 2025

Find the latest flights to Heathrow in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 29 April 2025.

Round-trip from

C$ 669

One-way from

C$ 341

Popular in

December

Cheapest in

February

Average price

C$ 772

Good round-trip deal

C$ 806 or less

Good one-way deal

C$ 552 or less
Air Transat
  • Air Transat
  • 24/5-30/5
  • Nonstop
  • 15h 00m total
  • Toronto to London
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16/6
  • 16/6
  • 1 total stop
  • 18h 35m total
  • Toronto to London
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Highest demand for flights based on searches. 2% potential increase in price (C$ 33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 33 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Toronto to London Heathrow.
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Price to beat on a one-way flight from Toronto to London Heathrow.
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Find flight deals to Heathrow Airport

Cheapest flights to Heathrow Airport
Explore the most affordable flight options available to Heathrow Airport. Find the lowest fares based on data from user searches, with prices last updated on 29 April 2025.

Mon 20/105:50 p.m.YYZ - LHR
1 stop18h 55mTAP AIR PORTUGAL
Sat 25/107:50 p.m.LHR - YYZ
1 stop31h 20mTAP AIR PORTUGAL
Deal found 27/4C$ 671
Thu 1/511:20 p.m.YYZ - LHR
1 stop26h 10mAir Canada
Tue 6/58:45 a.m.LHR - YYZ
1 stop12h 40mAir Canada
Deal found 28/4C$ 672
Thu 22/58:50 p.m.YYZ - LHR
1 stop10h 05mIcelandair
Fri 30/59:25 p.m.LHR - YYZ
1 stop29h 30mIcelandair
Deal found 28/4C$ 696
Wed 30/412:25 p.m.YTZ - LHR
1 stop13h 05mAir Canada
Sat 10/59:30 a.m.LHR - YTZ
2 stops14h 07mAir Canada
Deal found 27/4C$ 710
Sun 1/610:15 p.m.YYZ - LHR
1 stop18h 35mMultiple Airlines
Tue 10/66:20 a.m.LHR - YYZ
1 stop12h 50mMultiple Airlines
Deal found 27/4C$ 716
Wed 4/610:00 p.m.YYZ - LHR
Nonstop7h 15mBritish Airways
Wed 11/61:20 p.m.LHR - YYZ
Nonstop7h 40mBritish Airways
Deal found 28/4C$ 733
Tue 13/511:15 p.m.YYZ - LHR
1 stop28h 20mLufthansa
Wed 4/65:40 p.m.LHR - YYZ
1 stop30h 39mLufthansa
Deal found 28/4C$ 743
Sun 18/510:00 p.m.YYZ - LHR
Nonstop7h 15mAmerican Airlines
Mon 26/58:25 a.m.LHR - YYZ
2 stops19h 20mAmerican Airlines
Deal found 27/4C$ 766
Mon 13/1010:30 p.m.YYZ - LHR
Nonstop7h 10mDelta
Tue 21/106:30 a.m.LHR - YYZ
1 stop11h 50mDelta
Deal found 28/4C$ 790
Wed 14/58:50 a.m.YTZ - LHR
2 stops16h 40mMultiple Airlines
Thu 22/58:40 a.m.LHR - YTZ
2 stops14h 10mMultiple Airlines
Deal found 28/4C$ 793
Tue 13/56:00 p.m.YYZ - LHR
2 stops14h 40mSWISS
Mon 2/66:00 a.m.LHR - YYZ
1 stop15h 25mSWISS
Deal found 28/4C$ 819
Tue 29/412:20 p.m.YYZ - LHR
2 stops16h 00mUnited Airlines
Sun 4/58:30 a.m.LHR - YYZ
1 stop15h 02mUnited Airlines
Deal found 26/4C$ 820

Cheapflights Fare Finder

Locate flights to Heathrow that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 29 April 2025.
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 20/10

5:50 p.m.-5:45 p.m.

1 stop18h 55m

London Heathrow

Sat 25/10

7:50 p.m.-10:10 p.m.

1 stop31h 20m

C$ 671

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 27/5

3:00 p.m.-6:30 a.m.

1 stop10h 30m

London Heathrow

Fri 13/6

6:00 a.m.-1:50 p.m.

1 stop12h 50m

C$ 675

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Thu 22/5

8:50 p.m.-11:55 a.m.

1 stop10h 05m

London Heathrow

Fri 30/5

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

1 stop29h 30m

C$ 696

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Tue 27/5

3:25 p.m.-6:30 a.m.

1 stop10h 05m

London Heathrow

Fri 13/6

9:30 a.m.-4:50 p.m.

1 stop12h 20m

C$ 711

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Wed 4/6

6:05 p.m.-6:15 a.m.

Nonstop7h 10m

London Heathrow

Fri 13/6

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

Nonstop7h 40m

C$ 733

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 13/5

11:15 p.m.-8:35 a.m.

1 stop28h 20m

London Heathrow

Wed 4/6

5:40 p.m.-7:19 p.m.

1 stop30h 39m

C$ 743

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Tue 24/6

7:30 p.m.-2:55 p.m.

2 stops14h 25m

London Heathrow

Mon 30/6

7:40 a.m.-12:55 p.m.

1 stop10h 15m

C$ 746

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Fri 23/5

6:05 p.m.-6:15 a.m.

Nonstop7h 10m

London Heathrow

Tue 27/5

9:15 a.m.-5:20 p.m.

2 stops13h 05m

C$ 766

TorontoLondon

YYZ - LHR

YYZLHR

Toronto Pearson Intl

Mon 13/10

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

Nonstop7h 10m

London Heathrow

Wed 22/10

6:30 a.m.-1:30 p.m.

1 stop12h 00m

C$ 790

TorontoLondon

YTZ - LHR

YTZLHR

Toronto Island

Wed 14/5

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

2 stops16h 40m

London Heathrow

Thu 22/5

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

2 stops14h 10m

C$ 793

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 32 results
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Best time to book a flight to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 to London Heathrow Airport

When is the best time to book a flight to Heathrow?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to Heathrow. Price data was last updated on 25 April 2025.

To ensure you get the cheapest price possible for a flight to Heathrow, you should look to book at least 81 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

How long is the flight to Heathrow?

On average, a flight from Toronto to Heathrow takes 13 hours 46 minutes. Flights to Heathrow from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

When is the cheapest time to fly to Heathrow?

Use this chart to determine the cheapest time to fly round-trip from Toronto to Heathrow. Price data was last updated on 16 December 2024.

Users looking for the lowest fares to Heathrow should consider flying on Tuesday mornings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at noon, when prices are usually at their highest.

Weekly flight availability to Heathrow

The most flights from Toronto to Heathrow are scheduled on a Friday (46 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (37 on average).

What are the most popular airlines that fly to Heathrow?

The most popular airlines flying from Toronto to Heathrow are Air Canada, British Airways and Lufthansa.

Air Canada

Air Canada

From C$ 512

British Airways

British Airways

From C$ 519

Lufthansa

Lufthansa

From C$ 520

Icelandair

Icelandair

From C$ 444

What are the cheapest airlines that fly to Heathrow?

The cheapest airlines flying from Toronto to Heathrow are Finnair, PLAY and TAP AIR PORTUGAL.

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 Heathrow 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 Heathrow 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 Heathrow, 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 29 April 2025.
See what other customers who have flown with Austrian Airlines, SWISS and United Airlines to London have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
780 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.6
Good
780 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,587 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,696 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Scandinavian Airlines
7.3
Good
1,346 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
American Airlines
7.2
Good
10,000 reviews
Austrian Airlines
7.6
Good
780 reviews
Check prices

Overall

7.6

Comfort

7.3

Crew

8.1

Boarding

7.6

Entertainment

6.7

Food

6.7

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

FAQs about flying to Heathrow

London Heathrow Airport (LHR) is the busiest airport in the United Kingdom, and the fourth-busiest in the world, in terms of passenger traffic. However, Heathrow has the distinction of handling more international passengers than any other airport in the world – a testament to its importance as a transit-point for intercontinental travel.

Flights to Heathrow Airport are provided by an incredible 90 airlines, serving 180 destinations worldwide. Heathrow is home-base for British Airways, which operate direct and indirect flights to basically every major city you can think of, from Heathrow’s beautiful, new Terminal 5 building.

London – a compelling, cosmopolitan city – certainly has an appropriate gateway in Heathrow Airport: a highly modern, convenient hub that is truly geared toward providing the best possible experience to travellers. Located 15 miles (24km) from central London, there are plenty of easy, hassle-free transport options available to travellers looking to get downtown. The flocks of tourists, who are no doubt going to descend on London for the 2012 Olympic Games, can look forward to a warm welcome and efficient service.

  • Can I find cheaper flights to Heathrow if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Heathrow on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Heathrow?

    Based on reviews from Cheapflights users, Finnair is rated the highest out of the airlines that fly to Heathrow.

  • What is the cheapest airport to fly to in Heathrow?

    London Heathrow is currently the cheapest airport to fly to in Heathrow. One-way flights to London Heathrow typically cost C$ 43, while round-trip flights cost around C$ 136.

  • How much is a round-trip flight to Heathrow?

    A round-trip flight to Heathrow will typically cost around C$ 564, however they can be found for as little as C$ 98.

  • Where does the fastest flight to Heathrow depart from?

    For those looking to save time traveling to Heathrow, Halifax Intl offers the quickest one-way flight (5 hours 55 minutes).

  • Does London Heathrow have rental cars?

    Yes. Those touching down at London Heathrow can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to London Heathrow?

    Yes. London Heathrow has hotels nearby for those requiring accommodations. Aerotel London Heathrow is the closest property to London Heathrow (0.0 km away from London Heathrow).

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford
Hounslow
Sutton
Slough
Milton Keynes
Romford
Watford
Luton
Bromley
Bedford
Southall

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