C$ 376+ 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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
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 14 March 2025.
Find flight deals to Heathrow Airport
Cheapest flights to Heathrow AirportExplore the most affordable flight options available to Heathrow Airport. Find the lowest fares based on data from user searches, with prices last updated on 14 March 2025.
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 14 March 2025.
Find flights to Heathrow within your budget
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 14 March 2025.
Fly from
Route
Depart
Return
Price
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Fri 2/5
4:00 p.m.-6:30 a.m.
1 stop9h 30m
London Heathrow
Tue 6/5
8:45 a.m.-4:25 p.m.
1 stop12h 40m
TorontoLondon
YTZ - LHR
YTZLHR
Toronto Island
Mon 9/6
7:25 a.m.-6:30 a.m.
1 stop18h 05m
London Heathrow
Tue 17/6
6:00 a.m.-5:50 p.m.
2 stops16h 50m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Fri 4/4
5:25 p.m.-10:20 a.m.
1 stop11h 55m
London Heathrow
Mon 7/4
9:50 a.m.-3:40 p.m.
1 stop10h 50m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Wed 16/4
6:15 p.m.-8:35 a.m.
1 stop9h 20m
London Heathrow
Mon 5/5
8:05 p.m.-4:25 p.m.
1 stop25h 20m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Wed 2/4
5:40 p.m.-3:35 p.m.
1 stop16h 55m
London Heathrow
Tue 6/5
7:50 p.m.-1:55 p.m.
1 stop23h 05m
TorontoLondon
YTZ - LHR
YTZLHR
Toronto Island
Tue 3/6
4:20 p.m.-10:00 a.m.
2 stops12h 40m
London Heathrow
Wed 11/6
7:00 a.m.-7:50 p.m.
2 stops17h 50m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Mon 5/5
4:00 p.m.-6:30 a.m.
1 stop9h 30m
London Heathrow
Wed 14/5
7:25 a.m.-3:00 p.m.
1 stop12h 35m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Fri 6/6
5:45 p.m.-8:45 a.m.
1 stop34h 00m
London Heathrow
Wed 11/6
6:00 a.m.-1:50 p.m.
1 stop12h 50m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Fri 25/4
10:05 a.m.-7:15 a.m.
2 stops16h 10m
London Heathrow
Sat 10/5
7:45 a.m.-6:15 p.m.
2 stops15h 30m
TorontoLondon
YYZ - LHR
YYZLHR
Toronto Pearson Intl
Thu 10/4
10:30 p.m.-10:40 a.m.
Nonstop7h 10m
London Heathrow
Sat 19/4
5:50 p.m.-8:40 p.m.
Nonstop7h 50m
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.
Travel insights for flights to Heathrow
Get recent, data-driven insights about flights to Heathrow including ideal travel times, pricing trends, and more.
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 7 March 2025.
To ensure you get the cheapest price possible for a flight to Heathrow, you should look to book at least 69 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 9 hours 3 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 Wednesday (34 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 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.
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 14 March 2025.
See what other customers who have flown with Delta, Azores Airlines and Finnair 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.
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
Comfort
Boarding
Food
Crew
Overall
Entertainment
Reviews
Aaron,Oct 2024
LAX - LHR
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.
Travelling to a place near London Heathrow Airport?
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How does Cheapflights help users find flights to Heathrow?
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Users can book flights with no change fees policies with our dedicated filters. Book flights to Heathrow flexibly with Cheapflights today.
Can Cheapflights notify me if prices for flights to Heathrow become cheaper?
Not ready to book yet? You can track prices for flights to Heathrow on Cheapflights with our Price Alerts feature and get notified when better prices are available.