$714+ 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 21/10. 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 647,157 searches and data was last updated on 27 August 2025.
Return from | $1,453 |
---|---|
One-way from | $714 |
Popular in | December |
Cheapest in | February |
Average price | $1,851 |
Good round-trip deal | $2,047 or less |
Good one-way deal | $1,460 or less |
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 27 August 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 27 August 2025.
Cheapflights Fare Finder
Use the filters below to find and compare flights to London Heathrow Airport that are best for you.
Fly from
Route
Depart
Return
Price
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 13/10
22:15-19:00
1 stop30h 45m
London Heathrow
Sun 26/10
22:00-20:20
1 stop35h 20m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Mon 3/11
13:30-17:30
2 stops39h 00m
London Heathrow
Tue 25/11
21:00-10:00
1 stop26h 00m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Fri 24/10
21:30-15:15
1 stop27h 45m
London Heathrow
Sun 16/11
20:55-17:55
1 stop34h 00m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sun 26/10
16:35-06:40
1 stop25h 05m
London Heathrow
Wed 19/11
20:55-06:35
1 stop22h 40m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 25/10
21:30-15:30
1 stop28h 00m
London Heathrow
Mon 17/11
13:55-06:35
1 stop29h 40m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Sat 25/10
21:30-15:30
1 stop28h 00m
London Heathrow
Mon 10/11
08:50-17:55
1 stop22h 05m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 28/10
16:35-06:40
1 stop25h 05m
London Heathrow
Mon 10/11
08:50-17:55
1 stop22h 05m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Thu 30/10
21:30-14:30
1 stop28h 00m
London Heathrow
Sat 8/11
20:55-06:35
1 stop22h 40m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Wed 29/10
16:35-06:40
1 stop25h 05m
London Heathrow
Thu 13/11
08:55-17:55
1 stop22h 00m
SydneyLondon
SYD - LHR
SYDLHR
Sydney Kingsford Smith
Tue 25/11
21:30-14:30
1 stop28h 00m
London Heathrow
Sun 7/12
13:55-06:35
1 stop29h 40m
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.
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?
The price you pay for your flight to Heathrow may vary depending on when you book. For the best chance of a lower fare, look to book 25 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
When is the cheapest time to fly to Heathrow?
Users looking for the lowest fares to Heathrow should consider flying on Monday evenings, when prices are typically cheapest. Budget-minded travellers will want to avoid Friday at midday, when prices are usually at their highest.
What are the cheapest airlines that fly to Heathrow?
The cheapest airlines flying from Sydney to Heathrow are China Southern, Air China and China Eastern.
Weekly flight availability to Heathrow
The most flights from Sydney to Heathrow are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).
Rainfall in Heathrow 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
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 27 August 2025.
Read through reviews of airlines serving the United Kingdom, such as Singapore Airlines, Cathay Pacific, andQantas Airways. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
Anonymous,Dec 2024
NRT - LAX
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
Anonymous,Dec 2024
NRT - LAX
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
Anonymous,Dec 2024
NRT - LAX
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
Anonymous,Dec 2024
NRT - LAX
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
Anonymous,Dec 2024
NRT - LAX
Comfort
Crew
Overall
Entertainment
Boarding
Food
Reviews
Anonymous,Dec 2024
NRT - LAX
FAQs about flying to Heathrow
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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Why should you use Cheapflights to find cheap flight tickets to Heathrow?
Millions of users choose and trust Cheapflights to book the best flight deals to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights to Heathrow with no change fees?
Yes, we can. To see specific flights to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights to Heathrow become cheaper?
Yes, and it’s super simple to set up Price Alerts. Click the bell icon next to the flight deals above and provide your email address. That’s it!