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

Flights via Abu Dhabi (AUH) have the shortest average one-way travel time for 1-stop routes: 22h 40m.

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

Abu Dhabi (AUH) is the most affordable 1-stop option, with an average round-trip price of $1,136.

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

Flights via Dubai (DXB) offer the fastest connection on this route, with an average layover time of 1h 43m.

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

Abu Dhabi (AUH) – chosen by Cheapflights users on 50% of 1-stop itineraries from London Heathrow Airport to Sydney on Cheapflights.

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

Airlines like Cathay Pacific, China Airlines, and United Airlines fly from London Heathrow Airport to Sydney in about 26h 55m. The time it takes to get you to your destination can typically vary by up to 2h 45m. London Heathrow Airport and Sydney are separated by a distance of 10568 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Currently priced at $757, Etihad Airways will fly you from London Heathrow Airport to Sydney and back. In addition to Etihad Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and China Eastern - these airlines can fly you to your destination from $772 and $866, respectively. These flights start at 43% lower than the current average price 3 months from now.

Weekly flight availability from London Heathrow Airport to Sydney

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).

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

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

Before booking your flight from London Heathrow Airport to Sydney check out the most popular airlines for this route: Etihad Airways, China Southern or Singapore Airlines.

Most accurate provider : When it comes to deals on London Heathrow Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on London Heathrow Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from London Heathrow to Sydney. You should not have trouble finding flights to Kingsford Smith from London Heathrow; the airport handles an average of 3 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 9 airlines have flights to the Sydney airport from London Heathrow. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

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

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

How can I find direct flights from Heathrow to Sydney?

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

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

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.

$583+ Flights from London Heathrow Airport to Sydney

Q: How much does it cost to fly round-trip 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 $1,085 and $1,495 in March. The cheapest round-trip price found within the last 3 days was $914 on China Southern (Mar 10-Mar 19).

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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 Monday and return on a Monday

Find flight deals from Heathrow to Sydney

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 October 16, 2025.

Tue 11/49:05 pmLHR - SYD

3 stops34h 45mMultiple Airlines

Wed 11/128:05 pmSYD - LHR

2 stops30h 20mMultiple Airlines

Deal found 10/14

$916

Mon 11/1010:00 pmLHR - SYD

1 stop35h 20mChina Southern

Sat 11/2211:25 amSYD - LHR

2 stops37h 35mChina Southern

Deal found 10/16

$924

Mon 11/39:30 pmLHR - SYD

2 stops35h 50mChina Southern

Mon 11/2410:10 pmSYD - LHR

2 stops55h 25mChina Southern

Deal found 10/16

$931

Tue 11/188:25 pmLHR - SYD

1 stop32h 05mAir China

Thu 11/208:40 pmSYD - LHR

1 stop32h 10mAir China

Deal found 10/15

$943

Sun 11/3010:00 pmLHR - SYD

1 stop24h 25mChina Southern

Wed 12/108:10 amSYD - LHR

1 stop45h 25mChina Southern

Deal found 10/15

$961

Wed 12/319:30 pmLHR - SYD

2 stops29h 05mChina Southern

Thu 1/2210:10 pmSYD - LHR

1 stop31h 25mChina Southern

Deal found 10/16

$964

Wed 11/510:00 pmLHR - SYD

1 stop35h 20mChina Southern

Sun 11/2310:10 pmSYD - LHR

2 stops55h 25mChina Southern

Deal found 10/15

$967

Sat 11/19:00 pmLHR - SYD

1 stop29h 35mMultiple Airlines

Sat 11/159:00 pmSYD - LHR

1 stop31h 55mMultiple Airlines

Deal found 10/16

$968

Fri 11/285:40 pmLHR - SYD

1 stop34h 50mAir China

Tue 12/98:40 pmSYD - LHR

1 stop30h 15mAir China

Deal found 10/16

$970

Best flights from Heathrow to Sydney
Discover carefully curated flight deals from Heathrow to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2025.

Mon 11/1010:05 pmLHR - SYD

1 stop26h 55mCathay Pacific

Sat 11/223:15 pmSYD - LHR

1 stop34h 45mCathay Pacific

Deal found 10/16

$1,222

Mon 3/239:15 pmLHR - SYD

1 stop28h 00mChina Airlines

Sun 4/510:10 pmSYD - LHR

1 stop27h 20mChina Airlines

Deal found 10/14

$1,263

Sat 3/283:20 pmLHR - SYD

1 stop29h 40mUnited Airlines

Wed 4/810:20 amSYD - LHR

1 stop30h 05mUnited Airlines

Deal found 10/14

$1,281

Sun 11/305:45 pmLHR - SYD

2 stops38h 35mTurkish Airlines

Tue 12/99:15 pmSYD - LHR

2 stops29h 50mTurkish Airlines

Deal found 10/16

$1,345

Wed 10/298:15 pmLHR - SYD

1 stop26h 20mCathay Pacific

Tue 11/1110:20 pmSYD - LHR

1 stop30h 00mCathay Pacific

Deal found 10/16

$1,222

Sat 3/283:20 pmLHR - SYD

1 stop29h 40mUnited Airlines

Thu 4/99:30 amSYD - LHR

2 stops30h 45mUnited Airlines

Deal found 10/14

$1,281

Mon 12/16:30 amLHR - SYD

2 stops42h 45mChina Airlines

Fri 12/1210:10 pmSYD - LHR

1 stop29h 45mChina Airlines

Deal found 10/16

$1,346

Fri 3/271:45 pmLHR - SYD

1 stop32h 30mUnited Airlines

Sun 4/59:30 amSYD - LHR

1 stop33h 40mUnited Airlines

Deal found 10/14

$1,281

Thu 1/223:20 pmLHR - SYD

1 stop30h 45mUnited Airlines

Wed 2/412:10 pmSYD - LHR

1 stop30h 15mUnited Airlines

Deal found 10/15

$1,287

Fri 11/283:20 pmLHR - SYD

2 stops30h 55mUnited Airlines

Tue 12/92:00 pmSYD - LHR

2 stops29h 25mUnited Airlines

Deal found 10/16

$1,287

Wed 1/213:20 pmLHR - SYD

2 stops30h 55mUnited Airlines

Tue 2/311:50 amSYD - LHR

2 stops29h 30mUnited Airlines

Deal found 10/15

$1,287

Wed 3/253:20 pmLHR - SYD

1 stop30h 45mUnited Airlines

Sun 4/129:30 amSYD - LHR

2 stops34h 40mUnited Airlines

Deal found 10/16

$1,290

Last-minute flights from Heathrow to Sydney
Discover last-minute flight deals from Heathrow to Sydney. Data last updated October 16, 2025 and is based on user searches.

Sat 11/19:00 pmLHR - SYD

1 stop29h 35mMultiple Airlines

Sat 11/159:00 pmSYD - LHR

1 stop31h 55mMultiple Airlines

Deal found 10/16

$968

Mon 11/39:30 pmLHR - SYD

2 stops35h 50mChina Southern

Mon 11/2410:10 pmSYD - LHR

2 stops55h 25mChina Southern

Deal found 10/16

$931

Tue 11/49:05 pmLHR - SYD

3 stops34h 45mMultiple Airlines

Wed 11/128:05 pmSYD - LHR

2 stops30h 20mMultiple Airlines

Deal found 10/14

$916

Wed 11/510:00 pmLHR - SYD

1 stop35h 20mChina Southern

Sun 11/2310:10 pmSYD - LHR

2 stops55h 25mChina Southern

Deal found 10/15

$967

Mon 11/1010:00 pmLHR - SYD

1 stop35h 20mChina Southern

Sat 11/2211:25 amSYD - LHR

2 stops37h 35mChina Southern

Deal found 10/16

$924

Tue 11/188:25 pmLHR - SYD

1 stop32h 05mAir China

Thu 11/208:40 pmSYD - LHR

1 stop32h 10mAir China

Deal found 10/15

$943

Fri 11/285:40 pmLHR - SYD

1 stop34h 50mAir China

Tue 12/98:40 pmSYD - LHR

1 stop30h 15mAir China

Deal found 10/16

$970

Sun 11/3010:00 pmLHR - SYD

1 stop24h 25mChina Southern

Wed 12/108:10 amSYD - LHR

1 stop45h 25mChina Southern

Deal found 10/15

$961

One-way flights from Heathrow to Sydney
Search for one-way flight options from Heathrow to Sydney. Find affordable one-way fares based on user searches. Data last updated October 16, 2025.

Fri 11/148:45 amLHR - SYD

3 stops37h 30mMultiple Airlines

Deal found 10/15

$583

Mon 11/249:30 pmLHR - SYD

2 stops47h 00mChina Southern

Deal found 10/16

$584

Tue 11/49:30 pmLHR - SYD

2 stops35h 50mChina Southern

Deal found 10/15

$586

Mon 11/248:55 pmLHR - SYD

3 stops34h 55mMultiple Airlines

Deal found 10/16

$590

Sun 10/269:15 pmLHR - SYD

2 stops34h 35mMultiple Airlines

Deal found 10/16

$613

Wed 10/297:20 pmLHR - SYD

3 stops36h 30mMultiple Airlines

Deal found 10/16

$615

Sat 2/289:00 pmLHR - SYD

1 stop30h 50mTianjin Airlines

Deal found 10/15

$624

Mon 11/179:00 pmLHR - SYD

3 stops34h 50mMultiple Airlines

Deal found 10/15

$635

Sun 10/269:15 pmLHR - SYD

1 stop30h 40mHainan Airlines

Deal found 10/16

$647

Cheap flight deals from Heathrow to Sydney

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$914 (China Southern)
One-way from	$583 (Kiwi.com)
Popular in	December
Cheapest in	March
Average price	$1,282

Provider with most accurate pricing for London Heathrow-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for London Heathrow-Sydney Kingsford Smith flights.

Search Deals

From London Heathrow to Sydney Kingsford Smith

Search Deals

One-way flight from London Heathrow to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 10% potential increase in price ($153 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($39 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 11/10

10:05 pm-12:00 pm

1 stop26h 55m

Sydney Kingsford Smith

Sat 11/22

3:15 pm-3:00 pm

1 stop34h 45m

$1,222

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 10/29

8:15 pm-9:35 am

1 stop26h 20m

Sydney Kingsford Smith

Tue 11/11

10:20 pm-5:20 pm

1 stop30h 00m

$1,222

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 3/23

9:15 pm-12:15 pm

1 stop28h 00m

Sydney Kingsford Smith

Sun 4/5

10:10 pm-4:30 pm

1 stop27h 20m

$1,263

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 3/28

3:20 pm-8:00 am

1 stop29h 40m

Sydney Kingsford Smith

Wed 4/8

10:20 am-7:25 am

1 stop30h 05m

$1,281

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 3/28

3:20 pm-8:00 am

1 stop29h 40m

Sydney Kingsford Smith

Thu 4/9

9:30 am-7:15 am

2 stops30h 45m

$1,281

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 3/27

1:45 pm-9:15 am

1 stop32h 30m

Sydney Kingsford Smith

Sun 4/5

9:30 am-10:10 am

1 stop33h 40m

$1,281

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 1/22

3:20 pm-9:05 am

1 stop30h 45m

Sydney Kingsford Smith

Wed 2/4

12:10 pm-7:25 am

1 stop30h 15m

$1,287

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 11/28

3:20 pm-9:15 am

2 stops30h 55m

Sydney Kingsford Smith

Tue 12/9

2:00 pm-8:25 am

2 stops29h 25m

$1,287

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 1/21

3:20 pm-9:15 am

2 stops30h 55m

Sydney Kingsford Smith

Tue 2/3

11:50 am-6:20 am

2 stops29h 30m

$1,287

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/25

3:20 pm-9:05 am

1 stop30h 45m

Sydney Kingsford Smith

Sun 4/12

9:30 am-11:10 am

2 stops34h 40m

$1,290

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 22 results

Compare providers for flights from Heathrow to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Sydney in October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Mytrip	Price Accuracy2 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
SmartFares	Price Accuracy1 star	Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on London Heathrow Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on London Heathrow Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 London Heathrow Airport to Sydney

Prices

Airlines

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

To ensure you get the cheapest price possible for a flight from London Heathrow Airport to Sydney, you should look to book at least 90 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.

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

Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $687). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,088). 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 LHR to SYD?

It’s typically best to fly out from London Heathrow Airport to Sydney in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying at noon, which is usually more expensive.

How much does it cost to fly round-trip from London Heathrow Airport to Sydney?

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown Singapore Airlines, Cathay Pacific, and Etihad Airways from London Heathrow Airport to Sydney. 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.

Singapore Airlines

8.1

Very good

1,382 reviews

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Singapore Airlines

8.1

Very good

1,382 reviews

Singapore Airlines

8.1

Very good

1,382 reviews

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Cathay Pacific

7.6

Good

1,028 reviews

Singapore Airlines

8.1

Very good

1,382 reviews

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Etihad Airways

7.4

Good

1,280 reviews

Singapore Airlines

8.1

Very good

1,382 reviews

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

China Southern

7.4

Good

116 reviews

Singapore Airlines

8.1

Very good

1,382 reviews

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

British Airways

6.7

Okay

7,457 reviews

Singapore Airlines

8.1

Very good

1,382 reviews

Reviews

1 / 20

6.0

Good

Pierre,Apr 2025

MLE - SIN

3 boarding pass checkpoints at the gate. Long line before boarding. Poor leg room in economy.. Flight crew rounds practically non existent during flight.

Related info for your journey

What airport do you fly into for flights to Sydney from London Heathrow?
Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from London Heathrow to Sydney. You should not have trouble finding flights to Kingsford Smith from London Heathrow; the airport handles an average of 3 inbound flights from London Heathrow per day. You should also have plenty of airline options to choose from since 9 airlines have flights to the Sydney airport from London Heathrow. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.
How long is the flight from London Heathrow Airport to Sydney?
Airlines like Cathay Pacific, China Airlines, and United Airlines fly from London Heathrow Airport to Sydney in about 26h 55m. The time it takes to get you to your destination can typically vary by up to 2h 45m. London Heathrow Airport and Sydney are separated by a distance of 10568 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from London Heathrow Airport to Sydney round-trip?
Currently priced at $757, Etihad Airways will fly you from London Heathrow Airport to Sydney and back. In addition to Etihad Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and China Eastern - these airlines can fly you to your destination from $772 and $866, respectively. These flights start at 43% lower than the current average price 3 months from now.
Can I find deals for flights from Heathrow to Sydney that include hotel bookings?
Yes. In addition to deals on Heathrow to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Sydney.
Can I find deals for business class flights from Heathrow to Sydney?
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.
What is the cheapest month to book a flight from London Heathrow Airport to Sydney?
Currently, March is the cheapest month in which you can book a flight from London Heathrow Airport to Sydney (average of $687). Flying from London Heathrow Airport to Sydney in December is currently the most expensive (average of $1,088). 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

Parramatta

Wollongong

Manly

Coogee

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Other flights to Sydney

Top 9 airlines flying from Heathrow to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest$757	Average$1,661	FlexibilityNo cancel fee	On-time75%
China Southern	Cheapest$772	Average$961	FlexibilityNo cancel fee	On-time69%
China Eastern	Cheapest$866	Average$1,220	FlexibilityNo cancel fee	On-time62%
Air India	Cheapest$978	Average$1,476	FlexibilityNo cancel fee	On-timeN/A
Cathay Pacific	Cheapest$1,115	Average$1,306	FlexibilityNo cancel fee	On-time72%
Emirates	Cheapest$1,121	Average$1,433	FlexibilityNo cancel fee	On-time75%
Qatar Airways	Cheapest$1,139	Average$1,407	FlexibilityNo cancel fee	On-time68%
Singapore Airlines	Cheapest$1,279	Average$1,677	FlexibilityNo cancel fee	On-time81%
British Airways	Cheapest$1,292	Average$1,533	FlexibilityNo cancel fee	On-time70%

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$583+ Cheap flights from Heathrow (LHR) to Sydney (SYD)

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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Heathrow to Sydney with Cheapflights

1. Tell us where you want to go

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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 Monday and return on a Monday

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 October 16, 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 October 16, 2025.

Cheap flight deals from Heathrow to Sydney

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Compare providers for flights from Heathrow to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Sydney in October.

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 to fly round-trip from London Heathrow Airport to Sydney?

Weekly flight availability from London Heathrow Airport to Sydney

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

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

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

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

Reviews of airlines servicing Sydney

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?

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?

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Alternative routes for Heathrow to Sydney

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Top 9 airlines flying from Heathrow to Sydney

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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 October 16, 2025.