Q: How much does it cost for a return flight from London Heathrow Airport to Sydney?

Airfare is below average for this route at the moment. London Heathrow Airport to Sydney flights typically cost between $1,743 and $2,327 in October. The cheapest return flight price found within the last 3 days was $1,548 on China Eastern (19 Oct-4 Nov). Find deals

Question 1

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sydney?

Accepted Answer

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 2h 45m. Find deals

Question 2

How much does it cost for a return flight from London Heathrow Airport to Sydney?

Accepted Answer

Airfare is below average for this route at the moment.London Heathrow Airport to Sydney flights typically cost between $1,743 and $2,327 in October.
The cheapest return flight price found within the last 3 days was $1,548 on China Eastern (19 Oct-4 Nov). Find deals

Question 3

What’s the fastest stopover option from London Heathrow Airport to Sydney?

Accepted Answer

Flights via Dubai (DXB) have the shortest average one-way travel time for one-stop routes: 23h 05m. Find deals

Question 4

What’s the top stopover airport for flights from London Heathrow Airport to Sydney?

Accepted Answer

Singapore (SIN) – chosen by Cheapflights users on 18% of one-stop itineraries from London Heathrow Airport to Sydney on Cheapflights. Find deals

Question 5

What’s the cheapest stopover airport for flights from London Heathrow Airport to Sydney?

Accepted Answer

Incheon (ICN) is the most affordable one-stop option, with an average return flight price of $1,832.

Question 6

How long is the flight from London Heathrow Airport to Sydney?

Accepted Answer

Departing from London Heathrow Airport to Sydney will take you 24h 25m. There are 17008 km between London Heathrow Airport and Sydney. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Question 7

What are the cheapest airlines flying from London Heathrow Airport to Sydney round-trip?

Accepted Answer

Air China, at $626, was found to be the cheapest airline from London Heathrow Airport to Sydney.Alternate airlines to your destination round-trip include China Southern and China Eastern. Air China is 69% cheaper than the average price of flights available within the next 90 days to this destination.

Question 8

How far ahead should I book a flight from London Heathrow Airport to Sydney?

Accepted Answer

Booking 90 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Question 9

What is the cheapest month to book a flight from London Heathrow Airport to Sydney?

Accepted Answer

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $129). Flying from London Heathrow Airport to Sydney in October is currently the most expensive (average of $171). 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.

Question 10

What is the cheapest day to fly from London Heathrow Airport to Sydney?

Accepted Answer

Travellers seeking maximum savings on their London Heathrow Airport to Sydney flight should consider departing on Monday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 11

Weekly flight availability from London Heathrow Airport to Sydney

Accepted Answer

The most flights from LHR to SYD 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).

Question 12

E

Accepted Answer

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Question 13

E

Accepted Answer

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Question 14

What are the cheapest flights from London Heathrow Airport to Sydney?

Accepted Answer

Looking for the cheapest flight from London Heathrow Airport to Sydney? While on average our users pay $2,181, our data indicates the cheapest price to be $1,772. The most popular route (London Heathrow - Sydney Kingsford Smith), is priced around $1,253.

Question 15

What are the most popular airlines that fly from London Heathrow Airport to Sydney?

Accepted Answer

When booking a flight from London Heathrow Airport to Sydney, you may want to consider flying on Air India, British Airways or Air China as they are the most popular for this route.

Question 16

What is the cheapest day to fly return from London Heathrow Airport to Sydney?

Accepted Answer

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 43% on the overall cost on flights from London Heathrow Airport to Sydney.

Question 17

How far in advance should I book a flight from London Heathrow Airport to Sydney?

Accepted Answer

To save up to 15% on this flight, we recommend booking at least 37 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from London Heathrow Airport to Sydney from $1,961 1-2 weeks out and tickets from $2,356 for flights departing within the next 72 hours.

Question 18

What is the cheapest month to fly from London Heathrow Airport to Sydney?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, May can be a great choice for travel to Sydney. Flights to Sydney from London Heathrow Airport in May are about $1,991 on average during May, but can be found for as low as $1,094.

Question 19

What is the cheapest time of day to fly from LHR to SYD?

Accepted Answer

It’s optimal to fly from London Heathrow Airport to Sydney in the afternoon. By choosing this option you can save up to 20% on the cost of your flight, compared to a flight in the evening.

Question 20

What airport do you fly into for flights to Sydney from London Heathrow?

Accepted Answer

Located just 7.5 km from the city centre, Sydney Kingsford Smith is the airport most travellers will use when flying to Sydney from London Heathrow. Booking flights from London Heathrow to Kingsford Smith (SYD) should be relatively easy as there are 3 daily inbound flights from London Heathrow from 14 different airlines.

Question 21

Can I find deals for flights from Heathrow to Sydney that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Heathrow to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

Question 22

How can I find direct flights from Heathrow to Sydney?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sydney.

Question 23

Can I find deals for business class flights from Heathrow to Sydney?

Accepted Answer

Yes. Cheapflights offers flight deals from Heathrow to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 24

How does Cheapflights help users find flights from Heathrow to Sydney?

Accepted Answer

Cheapflights helps you search for flights from Heathrow to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Question 25

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sydney?

Accepted Answer

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Sydney.

Question 26

Can Cheapflights find flights from Heathrow to Sydney with no change fees?

Accepted Answer

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Sydney flexibly with Cheapflights today.

Question 27

Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?

Accepted Answer

Of course! You can now track prices for flights from Heathrow to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Round-trip from	$1,548
One-way from	$904
Popular in	December
Cheapest in	March
Average price	$2,239
Good round-trip deal	$2,264 or less
Good one-way deal	$1,799 or less

Airline	Cheapest	Average	Flexibility	On-time
Air China	Cheapest$626	Average$1,793	FlexibilityNo cancel fee	On-time67%	Search Air China flights
China Southern	Cheapest$1,115	Average$1,589	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
China Eastern	Cheapest$1,374	Average$1,822	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Air India	Cheapest$1,515	Average$2,112	FlexibilityNo cancel fee	On-timeN/A	Search Air India flights
Malaysia Airlines	Cheapest$1,550	Average$2,078	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
China Airlines	Cheapest$1,579	Average$1,797	FlexibilityNo cancel fee	On-time70%	Search China Airlines flights
Etihad Airways	Cheapest$1,584	Average$2,509	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Cathay Pacific	Cheapest$1,678	Average$1,873	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
British Airways	Cheapest$1,692	Average$2,462	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Emirates	Cheapest$1,725	Average$2,323	FlexibilityNo cancel fee	On-time75%	Search Emirates flights

Cheap flights from London Heathrow Airport to Sydney from $904

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 27/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Sydney Kingsford Smith are usually found in March or May, booked 90 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap flight deals from Heathrow to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Sydney

Cheapest flights from Heathrow to SydneyExplore the most affordable flight options available from Heathrow to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Explore the most affordable flight options available from Heathrow to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Sydney that are best for you.

Best time to book a flight from Heathrow to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Heathrow with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Sydney

How far ahead should I book a flight from London Heathrow Airport to Sydney?

What is the cheapest month to book a flight from London Heathrow Airport to Sydney?

What is the cheapest time of day to fly from LHR to SYD?

How much does it cost for a return flight from London Heathrow Airport to Sydney?

Weekly flight availability from London Heathrow Airport to Sydney

What’s the top stopover airport for flights from London Heathrow Airport to Sydney?

What’s the fastest stopover option from London Heathrow Airport to Sydney?

What’s the fastest stopover option from London Heathrow Airport to Sydney?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Sydney?

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Singapore Airlines, Qantas Airways, andChina Southern from London Heathrow Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from London Heathrow?

How long is the flight from London Heathrow Airport to Sydney?

What are the cheapest airlines flying from London Heathrow Airport to Sydney round-trip?

What are the cheapest flights from London Heathrow Airport to Sydney?

Can I find deals for flights from Heathrow to Sydney that include hotel bookings?

How can I find direct flights from Heathrow to Sydney?

Can I find deals for business class flights from Heathrow to Sydney?

What is the cheapest month to book a flight from London Heathrow Airport to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly from Heathrow to Sydney on these airlines

Choose from the following airlines for your flight from Heathrow to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 26 August 2025.

Top 10 airlines flying from Heathrow to Sydney

Fly with Cheapflights

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

How does Cheapflights help users find flights from Heathrow to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Sydney?

Can Cheapflights find flights from Heathrow to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Sydney become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to Sydney
Explore the most affordable flight options available from Heathrow to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2025.