How many flights depart from London Heathrow Airport to Sydney on average per week?

The number of flights available between London Heathrow Airport and Sydney is 21 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

How many flights depart from London Heathrow Airport to Sydney on average per day?

The number of flights available between London Heathrow Airport and Sydney is 3 per day as of December 2025. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

Which stopover airport offers the lowest fares from London Heathrow Airport to Sydney?

Flights via Taipei City (TPE) offer the lowest average return price of $1,693.

Which airlines fly to Sydney?

Etihad Airways, China Southern and Cathay Pacific are the top three most popular airlines that fly to Sydney from London Heathrow Airport according to our data. Etihad Airways is the first choice among our users, with 32% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 14 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Sydney?

Abu Dhabi (AUH) was the most common stop: 32% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest connection time from London Heathrow Airport to Sydney?

Dubai (DXB) has the shortest average stopover time for this route: 1h 28m.

What is the cheapest airline that flies from London Heathrow to Sydney Kingsford Smith?

Etihad Airways, Air India, and Austrian Airlines are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith

Which stopover airport has the shortest travel time from London Heathrow Airport to Sydney?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 22h 00m.

When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?

Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport refresh daily.

How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?

There are 14 operators available for flights from London Heathrow Airport to Sydney Kingsford Smith Airport as of December 2025.

How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$958 Cheap Flights from London Heathrow Airport to Sydney in 2025/26

Q: What is the typical price of a round-trip flight between London Heathrow Airport and Sydney?

Prices are currently low for flights on this route. Typical prices usually range from $2,155 to $3,303. The lowest price recently found on this route was $1,564.

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Find the cheapest flights from London Heathrow Airport to Sydney

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21:00 - 11:00

LHR

SYD

51h 00m2 stops

21:30 - 17:30

SYD

LHR

31h 00m1 stop

$1,564China Eastern

Mon, 9 Feb - Sat, 7 Mar

21:00 - 14:50

LHR

SYD

30h 50m1 stop

21:15 - 13:30

SYD

LHR

27h 15m2 stops

$1,568Multiple Airlines

Sat, 31 Jan - Sun, 15 Feb

17:15 - 06:35

LHR

SYD

26h 20m2 stops

22:00 - 18:35

SYD

LHR

31h 35m1 stop

$1,570China Southern

Wed, 24 Dec - Mon, 26 Jan

21:00 - 13:35

LHR

SYD

29h 35m1 stop

21:30 - 17:30

SYD

LHR

31h 00m1 stop

$1,571China Eastern

Wed, 4 Mar - Thu, 19 Mar

21:00 - 13:35

LHR

SYD

29h 35m1 stop

21:30 - 17:30

SYD

LHR

31h 00m1 stop

$1,573China Eastern

Wed, 4 Mar - Thu, 19 Mar

19:35 - 09:25

LHR

SYD

26h 50m1 stop

11:25 - 18:35

SYD

LHR

42h 10m2 stops

$1,574China Southern

Mon, 23 Feb - Sun, 1 Mar

08:45 - 19:15

LHR

SYD

23h 30m1 stop

20:45 - 19:20

SYD

LHR

33h 35m1 stop

$1,576Air India

Mon, 16 Feb - Sun, 22 Feb

21:00 - 20:35

LHR

SYD

36h 35m2 stops

21:15 - 13:30

SYD

LHR

27h 15m2 stops

$1,577Multiple Airlines

Mon, 2 Mar - Sun, 22 Mar

20:25 - 12:00

LHR

SYD

28h 35m1 stop

20:40 - 17:50

SYD

LHR

32h 10m1 stop

$1,579Air China

Thu, 26 Feb - Sat, 14 Mar

21:00 - 14:50

LHR

SYD

30h 50m1 stop

15:15 - 17:00

SYD

LHR

36h 45m1 stop

$1,585Multiple Airlines

Sat, 31 Jan - Sun, 15 Feb

American Airlines flights from London Heathrow Airport to Sydney

Our best American Airlines deals on London Heathrow Airport to Sydney flight tickets

American Airlines

9 Dec

LHR10:35London Heathrow

35h 25m

2 stops

SYD09:00Sydney Kingsford Smith

26 Dec

SYD11:20Sydney Kingsford Smith

32h 15m

2 stops

LHR08:35London Heathrow

$1,923

Find similar

American Airlines

6 Dec

LHR11:50London Heathrow

34h 10m

1 stop

SYD09:00Sydney Kingsford Smith

11 Dec

SYD11:20Sydney Kingsford Smith

32h 15m

2 stops

LHR08:35London Heathrow

$1,927

Find similar

American Airlines

8 Dec

LHR16:55London Heathrow

29h 05m

1 stop

SYD09:00Sydney Kingsford Smith

11 Dec

SYD11:20Sydney Kingsford Smith

36h 00m

1 stop

LHR12:20London Heathrow

$1,929

Find similar

British Airways flights from London Heathrow Airport to Sydney

Our best British Airways deals on London Heathrow Airport to Sydney flight tickets

British Airways

7 Dec

LHR11:50London Heathrow

34h 10m

1 stop

SYD09:00Sydney Kingsford Smith

22 Dec

SYD17:45Sydney Kingsford Smith

31h 15m

1 stop

LHR14:00London Heathrow

$1,924

Find similar

British Airways

9 Dec

LHR11:50London Heathrow

34h 10m

1 stop

SYD09:00Sydney Kingsford Smith

16 Dec

SYD17:45Sydney Kingsford Smith

31h 15m

1 stop

LHR14:00London Heathrow

$1,942

Find similar

British Airways

7 Dec

LHR11:50London Heathrow

34h 10m

1 stop

SYD09:00Sydney Kingsford Smith

22 Dec

SYD17:45Sydney Kingsford Smith

31h 15m

1 stop

LHR14:00London Heathrow

$1,945

Find similar

momondo 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 9/2

21:00-11:00

2 stops51h 00m

Sydney Kingsford Smith

Sat 7/3

21:30-17:30

1 stop31h 00m

$1,564

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 31/1

21:00-14:50

1 stop30h 50m

Sydney Kingsford Smith

Sun 15/2

21:15-13:30

2 stops27h 15m

$1,568

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 24/12

17:15-06:35

2 stops26h 20m

Sydney Kingsford Smith

Mon 26/1

22:00-18:35

1 stop31h 35m

$1,570

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/3

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Thu 19/3

21:30-17:30

1 stop31h 00m

$1,571

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/3

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Thu 19/3

21:30-17:30

1 stop31h 00m

$1,573

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 23/2

19:35-09:25

1 stop26h 50m

Sydney Kingsford Smith

Sun 1/3

11:25-18:35

2 stops42h 10m

$1,574

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 16/2

08:45-19:15

1 stop23h 30m

Sydney Kingsford Smith

Sun 22/2

20:45-19:20

1 stop33h 35m

$1,576

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/3

21:00-20:35

2 stops36h 35m

Sydney Kingsford Smith

Sun 22/3

21:15-13:30

2 stops27h 15m

$1,577

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 26/2

20:25-12:00

1 stop28h 35m

Sydney Kingsford Smith

Sat 14/3

20:40-17:50

1 stop32h 10m

$1,579

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 31/1

21:00-14:50

1 stop30h 50m

Sydney Kingsford Smith

Sun 15/2

15:15-17:00

1 stop36h 45m

$1,585

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Stopovers

Other information

What is the typical price of a round-trip flight between London Heathrow Airport and Sydney?

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from London Heathrow Airport, with most prices found around $1,605. If you aren’t able to travel to Sydney during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,666.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,323. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $3,040.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from London Heathrow Airport to Sydney in the afternoon for as low as $1,902. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,496 on average. Flights to Sydney from London Heathrow Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest London Heathrow to Sydney Kingsford Smith flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best London Heathrow - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,009 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London Heathrow Airport for as low as $1,671 on momondo.

What cabin class options are available on London Heathrow to Sydney Kingsford Smith flights?

There are 2 cabin classes available to choose from on London Heathrow to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Sydney flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Sydney flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from London Heathrow Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sydney

Best price found	$1,869
Fastest flight time	22h 55m
Direct flights	Every day
Airports in Sydney	1 airport

The best one-way flight to Sydney from London Heathrow Airport in the past 72 hours is $1,869. The best return flight deal from London Heathrow Airport to Sydney found on momondo in the last 72 hours is $2,031.

The fastest flight from London Heathrow Airport to Sydney takes 22h 55m

Direct flights go from London Heathrow Airport to Sydney every day.

There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

Search flight deals

How far is London Heathrow to Sydney Kingsford Smith by plane?
The distance between London Heathrow and Sydney Kingsford Smith is about 17004.5 km. A reasonable flight in good conditions will take 23h 30m.
When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
Prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?
There are 14 operators available for flights from London Heathrow Airport to Sydney Kingsford Smith Airport as of December 2025.
How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from London Heathrow Airport to Sydney?
momondo data reveals that the most frequently booked plane model on the route from London Heathrow Airport to Sydney is Airbus A380-800, representing 80.07% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 11.34%, Boeing 777-300ER at 6.87%, and Airbus A380 at 1.72%.
What is the most popular airline from London Heathrow Airport to Sydney?
Based on momondo bookings for flights between London Heathrow Airport and Sydney, the leading airline is Etihad Airways, making up 15% of the total bookings. Other popular airlines include China Southern with 14%, Cathay Pacific with 9%, and Qantas Airways with 9%.

Best airlines flying from London Heathrow Airport to Sydney

Compare and see reviews for airlines that fly from London Heathrow Airport to Sydney with momondo

Airline	Rating	Free cancellation	Price
China Southern	PriceFrom $1,091	Free cancellation	Rating 7.5 121 reviews	Search China Southern flights
Air China	PriceFrom $1,169	Free cancellation	Rating 7.2 127 reviews	Search Air China flights
China Eastern	PriceFrom $1,315	Free cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Air India	PriceFrom $1,437	Free cancellation	Rating 5.5 2,950 reviews	Search Air India flights
Malaysia Airlines	PriceFrom $1,517	Free cancellation	Rating 7.3 281 reviews	Search Malaysia Airlines flights
China Airlines	PriceFrom $1,546	Free cancellation	Rating 8.2 788 reviews	Search China Airlines flights
Etihad Airways	PriceFrom $1,566	Free cancellation	Rating 7.4 1,330 reviews	Search Etihad Airways flights
Cathay Pacific	PriceFrom $1,643	Free cancellation	Rating 7.6 1,084 reviews	Search Cathay Pacific flights
British Airways	PriceFrom $1,656	Free cancellation	Rating 6.7 7,562 reviews	Search British Airways flights
Emirates	PriceFrom $1,688	Free cancellation	Rating 8.1 3,430 reviews	Search Emirates flights

Qantas Airways Flights From London Heathrow Airport to Sydney
Qantas Airways flight deals from London Heathrow Airport to Sydney start from $1,917 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually $2,872 round-trip - but some users have found much cheaper deals with momondo.

Parramatta

Wollongong

Terrigal

Katoomba

Penrith

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from London to Sydney?

It is quick and easy to find London to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from London to Sydney with flexible booking policies on momondo?

Flights from London to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from London to Sydney?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Sydney.

I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from London Heathrow Airport to Sydney from $958

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Sydney departing on 15/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Cheap last-minute flights

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American Airlines flights from London Heathrow Airport to Sydney

Our best American Airlines deals on London Heathrow Airport to Sydney flight tickets

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Our best British Airways deals on London Heathrow Airport to Sydney flight tickets

momondo Fare Finder

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

See travel insights to Sydney from

How to get the cheapest flight ticket from London Heathrow Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between London Heathrow Airport and Sydney?

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Tuesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,323. The most expensive day to fly to Sydney is Saturday, with ticket prices averaging around $3,040.

What is the cheapest time of day to depart on your flight to Sydney?

What is the cheapest London Heathrow to Sydney Kingsford Smith flight route?

Fly from London Heathrow to Sydney Kingsford Smith for the best London Heathrow - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

What cabin class options are available on London Heathrow to Sydney Kingsford Smith flights?

There are 2 cabin classes available to choose from on London Heathrow to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have London Heathrow Airport to Sydney flight prices changed over time?

As of December 2025, prices for London Heathrow Airport to Sydney flights are approximately 9% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from London Heathrow to Sydney Kingsford Smith?

Etihad Airways, Air India, and Austrian Airlines are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith

Which airlines fly to Sydney?

Which airport is the most popular for stopovers for flights between London Heathrow Airport and Sydney?

Abu Dhabi (AUH) was the most common stop: 32% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport offers the lowest fares from London Heathrow Airport to Sydney?

Flights via Taipei City (TPE) offer the lowest average return price of $1,693.

Which stopover airport has the shortest travel time from London Heathrow Airport to Sydney?

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 22h 00m.

Which stopover airport has the shortest connection time from London Heathrow Airport to Sydney?

Dubai (DXB) has the shortest average stopover time for this route: 1h 28m.

How many flights depart from London Heathrow Airport to Sydney on average per day?

The number of flights available between London Heathrow Airport and Sydney is 3 per day as of December 2025. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

How many flights depart from London Heathrow Airport to Sydney on average per week?

The number of flights available between London Heathrow Airport and Sydney is 21 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

When to book flights from London Heathrow Airport to Sydney

Cheap London Heathrow Airport to Sydney (LHR to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Sydney

Best price found

Fastest flight time

Direct flights

Airports in Sydney

How far is London Heathrow to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?

How many operators does momondo search for flights from London Heathrow Airport to Sydney Kingsford Smith Airport?

How old do you have to be to fly from London Heathrow Airport to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular plane model from London Heathrow Airport to Sydney?

What is the most popular airline from London Heathrow Airport to Sydney?

Best airlines flying from London Heathrow Airport to Sydney

Compare and see reviews for airlines that fly from London Heathrow Airport to Sydney with momondo

Qantas Airways Flights From London Heathrow Airport to Sydney

Travelling to a place near Sydney?

Why use momondo?

Why should I use momondo to find a flight deal from London to Sydney?

Can I find flights from London to Sydney with flexible booking policies on momondo?

How can momondo help me find flights from London to Sydney?

I’m not ready to book a flight from London to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales