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

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

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

Doha (DOH) was the most common stop: 26% of momondo users choosing 1-stop flights on this route connected there.

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

As of April 2026, 3 flights take off from London Heathrow Airport and land in Sydney each day. The most common flight departure time for this route is 10:00PM, with 100% of daily flights taking off in the evening.

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

21 flights are operational weekly from London Heathrow Airport to Sydney as of April 2026. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.

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

Flights via New Delhi (DEL) offer the lowest average round-trip price of $852.

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

Dubai (DXB) has the shortest average layover time for this route: 1h 15m.

What 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 40% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

Which layover 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: 21h 50m.

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?

As of April 2026, there are 7 operators available to choose from 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?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$595 Cheap Flights from London Heathrow Airport to Sydney in 2026

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Find the cheapest flights from London Heathrow Airport to Sydney

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 pm - 8:00 am

LHR

SYD

49h 40m

2 stops

10:05 am - 6:40 pm

SYD

LHR

41h 35m

3 stops

$1,093China Eastern

Tue, May 12 - Sun, May 17

9:20 pm - 12:35 pm

LHR

SYD

30h 15m

1 stop

8:30 pm - 6:40 pm

SYD

LHR

31h 10m

1 stop

$1,107China Eastern

Wed, Jun 17 - Thu, Jul 16

9:30 am - 4:50 pm

LHR

SYD

22h 20m

1 stop

9:00 pm - 7:30 pm

SYD

LHR

31h 30m

2 stops

$1,108Multiple Airlines

Sun, May 17 - Thu, Jun 11

9:20 pm - 12:35 pm

LHR

SYD

30h 15m

1 stop

11:00 am - 6:40 pm

SYD

LHR

40h 40m

1 stop

$1,113China Eastern

Wed, Jun 17 - Mon, Jul 20

9:20 pm - 12:35 pm

LHR

SYD

30h 15m

1 stop

8:30 pm - 6:40 pm

SYD

LHR

31h 10m

1 stop

$1,114China Eastern

Wed, Jun 17 - Tue, Jul 7

9:20 pm - 12:35 pm

LHR

SYD

30h 15m

1 stop

8:30 pm - 6:40 pm

SYD

LHR

31h 10m

1 stop

$1,115China Eastern

Wed, Jun 17 - Tue, Jul 7

9:20 pm - 9:00 am

LHR

SYD

26h 40m

1 stop

10:00 am - 6:40 pm

SYD

LHR

41h 40m

2 stops

$1,116China Eastern

Wed, Sep 9 - Sat, Oct 3

9:45 pm - 6:25 pm

LHR

SYD

35h 40m

1 stop

9:00 pm - 7:00 pm

SYD

LHR

32h 00m

1 stop

$1,120Air India

Tue, Sep 1 - Wed, Oct 14

9:20 pm - 8:00 am

LHR

SYD

49h 40m

2 stops

10:00 am - 6:40 pm

SYD

LHR

65h 40m

2 stops

$1,122China Eastern

Wed, Jun 17 - Sat, Jul 18

7:15 pm - 6:25 am

LHR

SYD

50h 10m

2 stops

3:10 pm - 7:20 pm

SYD

LHR

38h 10m

1 stop

$1,123China Southern

Wed, Sep 2 - Tue, Oct 13

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China Southern flights from London Heathrow Airport to Sydney

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

China Southern

Sep 2

LHR7:15 pmLondon Heathrow

50h 10m

2 stops

SYD6:25 amSydney Kingsford Smith

Oct 13

SYD3:10 pmSydney Kingsford Smith

38h 10m

1 stop

LHR7:20 pmLondon Heathrow

$1,123

China Southern

May 13

LHR9:00 pmLondon Heathrow

30h 25m

2 stops

SYD12:25 pmSydney Kingsford Smith

Jun 16

SYD9:45 pmSydney Kingsford Smith

29h 20m

2 stops

LHR6:05 pmLondon Heathrow

$1,148

China Southern

May 19

LHR9:00 pmLondon Heathrow

37h 25m

2 stops

SYD7:25 pmSydney Kingsford Smith

May 26

SYD10:05 amSydney Kingsford Smith

39h 10m

2 stops

LHR4:15 pmLondon Heathrow

$1,158

Air India flights from London Heathrow Airport to Sydney

Our best Air India deals on London Heathrow Airport to Sydney flight tickets

Air India

Sep 1

LHR9:45 pmLondon Heathrow

35h 40m

1 stop

SYD6:25 pmSydney Kingsford Smith

Oct 14

SYD9:00 pmSydney Kingsford Smith

32h 00m

1 stop

LHR7:00 pmLondon Heathrow

$1,120

Air India

Aug 18

LHR1:15 pmLondon Heathrow

44h 10m

1 stop

SYD6:25 pmSydney Kingsford Smith

Nov 12

SYD8:45 pmSydney Kingsford Smith

34h 45m

1 stop

LHR8:30 pmLondon Heathrow

$1,167

Air India

Sep 15

LHR9:45 pmLondon Heathrow

35h 40m

1 stop

SYD6:25 pmSydney Kingsford Smith

Oct 1

SYD8:00 pmSydney Kingsford Smith

24h 30m

1 stop

LHR11:30 amLondon Heathrow

$1,173

momondo Fare Finder

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

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Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 5/12

9:20 pm-8:00 am

2 stops49h 40m

Sydney Kingsford Smith

Sun 5/17

10:05 am-6:40 pm

3 stops41h 35m

$1,093

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/17

9:20 pm-12:35 pm

1 stop30h 15m

Sydney Kingsford Smith

Thu 7/16

8:30 pm-6:40 pm

1 stop31h 10m

$1,107

Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 5/17

9:30 am-4:50 pm

1 stop22h 20m

Sydney Kingsford Smith

Thu 6/11

9:00 pm-7:30 pm

2 stops31h 30m

$1,108

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/17

9:20 pm-12:35 pm

1 stop30h 15m

Sydney Kingsford Smith

Mon 7/20

11:00 am-6:40 pm

1 stop40h 40m

$1,113

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/17

9:20 pm-12:35 pm

1 stop30h 15m

Sydney Kingsford Smith

Tue 7/7

8:30 pm-6:40 pm

1 stop31h 10m

$1,114

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/17

9:20 pm-12:35 pm

1 stop30h 15m

Sydney Kingsford Smith

Tue 7/7

8:30 pm-6:40 pm

1 stop31h 10m

$1,115

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/9

9:20 pm-9:00 am

1 stop26h 40m

Sydney Kingsford Smith

Sat 10/3

10:00 am-6:40 pm

2 stops41h 40m

$1,116

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 9/1

9:45 pm-6:25 pm

1 stop35h 40m

Sydney Kingsford Smith

Wed 10/14

9:00 pm-7:00 pm

1 stop32h 00m

$1,120

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/17

9:20 pm-8:00 am

2 stops49h 40m

Sydney Kingsford Smith

Sat 7/18

10:00 am-6:40 pm

2 stops65h 40m

$1,122

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/2

7:15 pm-6:25 am

2 stops50h 10m

Sydney Kingsford Smith

Tue 10/13

3:10 pm-7:20 pm

1 stop38h 10m

$1,123

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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

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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?

In general, May is the cheapest month to fly from London Heathrow Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,120. If you are unable to visit Sydney during the month of May, then departing from London Heathrow Airport during the month September is also very affordable. Most momondo users find prices during this month for around $1,173.

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 $1,357 when searching weeks out. 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 $1,272 on momondo.

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

There is only 1 cabin class 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 2% 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 April 2026, prices for London Heathrow Airport to Sydney flights are approximately 3% more expensive 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 round-trip 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	22h 20m
Direct flights	Every day
Airports in Sydney	1 airport

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

Frequently asked questions about flying from London Heathrow Airport to Sydney

How far is London Heathrow to Sydney Kingsford Smith by plane?
London Heathrow and Sydney Kingsford Smith are 10566.1 mi apart from one another. Flights usually cover this in 22h 20m, depending on flying conditions and air traffic around both airports.
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?
As of April 2026, there are 7 operators available to choose from 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?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London Heathrow Airport to Sydney is Airbus A380-800 (94.39% of total bookings). The next most popular plane models are Boeing 777-300ER (4.21%), Boeing 787-9 Dreamliner (1.05%), and Airbus A380 (0.35%).
What is the most popular airline from London Heathrow Airport to Sydney?
Based on momondo bookings for this flight route, the most popular airline on flight routes from London Heathrow Airport to Sydney is Etihad Airways (29% of total bookings). The next most popular airlines are China Southern (16%), Air India (14%), and Singapore Airlines (13%).

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
Etihad Airways	PriceFrom $757	Free Cancellation	Rating 7.3 1,434 reviews	Search Etihad Airways flights
China Southern	PriceFrom $840	Free Cancellation	Rating 7.4 149 reviews	Search China Southern flights
Air India	PriceFrom $852	Free Cancellation	Rating 5.5 2,969 reviews	Search Air India flights
China Eastern	PriceFrom $866	Free Cancellation	Rating 7.3 207 reviews	Search China Eastern flights
Singapore Airlines	PriceFrom $1,015	Free Cancellation	Rating 8.2 1,497 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom $1,138	Free Cancellation	Rating 7.6 1,276 reviews	Search Cathay Pacific flights
United Airlines	PriceFrom $1,227	Free Cancellation	Rating 7.4 9,604 reviews	Search United Airlines flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from London.

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

momondo does allow users to show only those flights to Sydney from London which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for London to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

An easier way to manage your Sydney trip

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Cheap flights from London Heathrow Airport to Sydney from $595

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 6/14. 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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China Southern flights from London Heathrow Airport to Sydney

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

Air India flights from London Heathrow Airport to Sydney

Our best Air India deals on London Heathrow Airport to Sydney flight tickets

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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 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 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?

What airlines fly to Sydney?

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

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

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

Which layover 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

Frequently asked questions about flying 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

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize 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 favorite 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.

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