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 28m.

Which airlines fly to Sydney?

Etihad Airways, China Southern and Air India 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 34% of people opting to fly with this airline when travelling to Sydney. Keep in mind that there are 15 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 February 2026. The most frequent departure time is 21:00, with 100% of daily flights leaving in the evening.

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

New Delhi (DEL) has the shortest average stopover time for this route: 1h 29m.

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 February 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

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

Abu Dhabi (AUH) was the most common stop: 28% 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 Shanghai (PVG) offer the lowest average return price of $1,240.

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

China Southern, China Eastern, and Tianjin Airlines are the most popular carriers operating from London Heathrow to Sydney Kingsford Smith

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 15 operators available for flights from London Heathrow Airport to Sydney Kingsford Smith Airport as of February 2026.

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.

$729 Cheap Flights from London Heathrow Airport to Sydney in 2026

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from London Heathrow Airport to Sydney

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

21:00 - 13:35

LHR

SYD

29h 35m

1 stop

12:00 - 17:30

SYD

LHR

40h 30m

1 stop

$1,342China Eastern

Wed, 18 Mar - Wed, 25 Mar

21:00 - 07:20

LHR

SYD

47h 20m

3 stops

12:00 - 17:30

SYD

LHR

40h 30m

1 stop

$1,343China Eastern

Sun, 15 Mar - Sun, 22 Mar

21:20 - 12:35

LHR

SYD

30h 15m

1 stop

20:30 - 18:40

SYD

LHR

31h 10m

1 stop

$1,345China Eastern

Sat, 2 May - Mon, 25 May

21:40 - 07:10

LHR

SYD

46h 30m

1 stop

09:55 - 19:00

SYD

LHR

44h 05m

1 stop

$1,346Beijing Capital Airlines

Fri, 6 Mar - Thu, 26 Mar

21:00 - 07:20

LHR

SYD

47h 20m

3 stops

21:30 - 17:30

SYD

LHR

31h 00m

1 stop

$1,348China Eastern

Sun, 8 Mar - Tue, 24 Mar

21:30 - 20:20

LHR

SYD

35h 50m

2 stops

21:00 - 16:20

SYD

LHR

30h 20m

1 stop

$1,349Multiple Airlines

Sun, 8 Mar - Tue, 24 Mar

21:00 - 07:20

LHR

SYD

47h 20m

3 stops

12:00 - 17:30

SYD

LHR

40h 30m

1 stop

$1,350China Eastern

Sun, 15 Mar - Sun, 22 Mar

22:10 - 12:35

LHR

SYD

29h 25m

1 stop

10:05 - 16:15

SYD

LHR

39h 10m

2 stops

$1,352China Southern

Wed, 15 Apr - Sat, 25 Apr

21:00 - 12:35

LHR

SYD

30h 35m

2 stops

08:45 - 16:15

SYD

LHR

40h 30m

2 stops

$1,353China Southern

Sat, 4 Apr - Sat, 9 May

21:00 - 12:35

LHR

SYD

30h 35m

2 stops

21:45 - 19:00

SYD

LHR

30h 15m

1 stop

$1,355China Southern

Wed, 15 Apr - Tue, 5 May

Cathay Pacific flights from London Heathrow Airport to Sydney

Our best Cathay Pacific deals on London Heathrow Airport to Sydney flight tickets

Cathay Pacific

10 Mar

LHR11:00London Heathrow

22h 50m

1 stop

SYD20:50Sydney Kingsford Smith

20 Mar

SYD15:15Sydney Kingsford Smith

26h 15m

1 stop

LHR06:30London Heathrow

$1,362

Cathay Pacific

6 Mar

LHR17:50London Heathrow

26h 25m

1 stop

SYD07:15Sydney Kingsford Smith

22 Mar

SYD15:15Sydney Kingsford Smith

25h 10m

1 stop

LHR05:25London Heathrow

$1,381

Cathay Pacific

7 Mar

LHR17:50London Heathrow

26h 25m

1 stop

SYD07:15Sydney Kingsford Smith

22 Mar

SYD15:15Sydney Kingsford Smith

26h 15m

1 stop

LHR06:30London Heathrow

$1,383

China Southern flights from London Heathrow Airport to Sydney

Our best China Southern deals on London Heathrow Airport to Sydney flight tickets

China Southern

1 Mar

LHR22:00London Heathrow

24h 25m

1 stop

SYD09:25Sydney Kingsford Smith

16 Mar

SYD11:25Sydney Kingsford Smith

42h 10m

1 stop

LHR18:35London Heathrow

$1,345

China Southern

15 Mar

LHR17:15London Heathrow

29h 10m

2 stops

SYD09:25Sydney Kingsford Smith

22 Mar

SYD22:00Sydney Kingsford Smith

31h 35m

1 stop

LHR18:35London Heathrow

$1,350

China Southern

15 Apr

LHR22:10London Heathrow

29h 25m

1 stop

SYD12:35Sydney Kingsford Smith

7 May

SYD21:45Sydney Kingsford Smith

30h 15m

1 stop

LHR19:00London Heathrow

$1,352

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

Wed 18/3

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Wed 25/3

12:00-17:30

1 stop40h 30m

$1,342

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 15/3

21:00-07:20

3 stops47h 20m

Sydney Kingsford Smith

Sun 22/3

12:00-17:30

1 stop40h 30m

$1,343

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 2/5

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Mon 25/5

20:30-18:40

1 stop31h 10m

$1,345

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 6/3

21:40-07:10

1 stop46h 30m

Sydney Kingsford Smith

Thu 26/3

09:55-19:00

1 stop44h 05m

$1,346

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 8/3

21:00-07:20

3 stops47h 20m

Sydney Kingsford Smith

Tue 24/3

21:30-17:30

1 stop31h 00m

$1,348

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 8/3

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

Tue 24/3

21:00-16:20

1 stop30h 20m

$1,349

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 15/3

21:00-07:20

3 stops47h 20m

Sydney Kingsford Smith

Sun 22/3

12:00-17:30

1 stop40h 30m

$1,350

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 15/4

22:10-12:35

1 stop29h 25m

Sydney Kingsford Smith

Sat 25/4

10:05-16:15

2 stops39h 10m

$1,352

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 4/4

21:00-12:35

2 stops30h 35m

Sydney Kingsford Smith

Sat 9/5

08:45-16:15

2 stops40h 30m

$1,353

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 15/4

21:00-12:35

2 stops30h 35m

Sydney Kingsford Smith

Tue 5/5

21:45-19:00

1 stop30h 15m

$1,355

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 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 $1,517. If you aren’t able to travel to Sydney during the month of May, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,638.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $2,118. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $3,160.

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 $1,892 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 $1,673 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.

Can stopping save me money on London Heathrow Airport to Sydney flights?

You could potentially save up to 14% on your flight if you consider stops on a London Heathrow Airport to Sydney flight.

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

As of February 2026, 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

Fastest flight time	23h 20m
Direct flights	Every day
Airports in Sydney	1 airport

The fastest flight from London Heathrow Airport to Sydney takes 23h 20m

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

There is 1 airport in Sydney. From London Heathrow Airport there are direct flights to 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 20m.
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 15 operators available for flights from London Heathrow Airport to Sydney Kingsford Smith Airport as of February 2026.
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 94.50% of all bookings. The subsequent popular models are Boeing 777-300ER at 3.88%, Boeing 787-9 Dreamliner at 1.29%, and Airbus A380 at 0.32%.
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 17% of the total bookings. Other popular airlines include China Southern with 14%, Air India with 9%, and Cathay Pacific 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
Air China	PriceFrom $985	Free cancellation	Rating 7.2 139 reviews	Search Air China flights
China Southern	PriceFrom $1,024	Free cancellation	Rating 7.3 137 reviews	Search China Southern flights
China Eastern	PriceFrom $1,220	Free cancellation	Rating 7.2 193 reviews	Search China Eastern flights
Air India	PriceFrom $1,392	Free cancellation	Rating 5.5 2,967 reviews	Search Air India flights
Malaysia Airlines	PriceFrom $1,424	Free cancellation	Rating 7.3 293 reviews	Search Malaysia Airlines flights
Turkish Airlines	PriceFrom $1,429	Free cancellation	Rating 7.3 4,223 reviews	Search Turkish Airlines flights
Etihad Airways	PriceFrom $1,455	Free cancellation	Rating 7.3 1,401 reviews	Search Etihad Airways flights
China Airlines	PriceFrom $1,520	Free cancellation	Rating 8.3 804 reviews	Search China Airlines flights
British Airways	PriceFrom $1,555	Free cancellation	Rating 6.7 7,752 reviews	Search British Airways flights
Cathay Pacific	PriceFrom $1,562	Free cancellation	Rating 7.6 1,170 reviews	Search Cathay Pacific flights

Qantas Airways Flights From London Heathrow Airport to Sydney
Qantas Airways flight deals from London Heathrow Airport to Sydney start from $1,653 round-trip. Over the 7 Qantas Airways flights for this route in a normal week, average airfare is usually $2,396 round-trip - but some users have found much cheaper deals with momondo.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

Bondi Beach

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sat 21/3

Sat 28/3

Email me momondo's favourite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from London Heathrow Airport

Complete your trip

Feeling lucky

Airports servicing New South Wales

Albury Airport

Armidale Airport

Broken Hill Airport

Ballina Byron Airport

Coffs Harbour Airport

Dubbo Airport

Grafton Airport

Lord Howe Island Airport

Lismore Airport

Merimbula Airport

Moruya Airport

Newcastle Williamtown Airport

Orange Springhill Airport

Port Macquarie Airport

Tamworth Airport

Wagga Wagga Forrest Hill Airport

Cheap flights from London Heathrow Airport to Sydney from $729

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 4/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Heathrow Airport to Sydney

Cheap return flights

Cheap one-way flights

Cheap last-minute flights

Cheap direct flights

Cathay Pacific flights from London Heathrow Airport to Sydney

Our best Cathay Pacific deals on London Heathrow Airport to Sydney flight tickets

China Southern flights from London Heathrow Airport to Sydney

Our best China Southern 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

What is the cheapest month to fly to Sydney?

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

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

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?

Can stopping save me money on London Heathrow Airport to Sydney flights?

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

What is the cheapest airline that flies 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?

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

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

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

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

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

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

Fastest flight time

Direct flights

Airports in 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

Fly your favourite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

Popular Cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from London Heathrow Airport

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year