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

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

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.

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

As of June 2026, 2 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.

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

Doha (DOH) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

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 41% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 5 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 week?

20 flights are operational weekly from London Heathrow Airport to Sydney as of June 2026. The most popular departure day for this route is Tue, with 15% of flights per week taking off on this day.

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.

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.

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 June 2026, there are 6 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.

$666 Cheap Flights from London Heathrow Airport to Sydney in 2026

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 $1,270 to $1,798. The lowest price recently found on this route was $1,169.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Sydney

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:10 pm - 8:25 pm

LHR

SYD

36h 15m

1 stop

11:05 am - 7:20 pm

SYD

LHR

42h 15m

1 stop

$1,169China Southern

Wed, Oct 14 - Wed, Oct 21

7:30 pm - 10:20 am

LHR

SYD

29h 50m

2 stops

3:35 pm - 8:20 am

SYD

LHR

26h 45m

2 stops

$1,172Austrian Airlines

Wed, Sep 9 - Tue, Oct 6

9:00 pm - 10:00 am

LHR

SYD

26h 00m

1 stop

12:00 pm - 5:30 pm

SYD

LHR

40h 30m

1 stop

$1,173China Eastern

Thu, Nov 5 - Wed, Nov 25

9:00 pm - 10:00 am

LHR

SYD

26h 00m

1 stop

9:30 pm - 5:30 pm

SYD

LHR

31h 00m

1 stop

$1,174China Eastern

Sun, Nov 1 - Wed, Nov 25

9:00 pm - 10:00 am

LHR

SYD

26h 00m

1 stop

12:00 pm - 5:30 pm

SYD

LHR

40h 30m

1 stop

$1,175China Eastern

Mon, Oct 26 - Sun, Nov 1

10:00 pm - 9:25 am

LHR

SYD

24h 25m

1 stop

10:10 pm - 6:35 pm

SYD

LHR

31h 25m

1 stop

$1,176China Southern

Mon, Nov 2 - Tue, Nov 24

10:10 pm - 7:25 pm

LHR

SYD

36h 15m

1 stop

10:05 am - 7:20 pm

SYD

LHR

42h 15m

1 stop

$1,177China Southern

Sun, Jul 5 - Thu, Aug 6

10:10 pm - 7:25 pm

LHR

SYD

36h 15m

1 stop

10:05 am - 6:05 pm

SYD

LHR

41h 00m

2 stops

$1,178China Southern

Sun, Jul 5 - Thu, Aug 6

10:10 pm - 7:25 pm

LHR

SYD

36h 15m

1 stop

10:05 am - 6:05 pm

SYD

LHR

41h 00m

2 stops

$1,179China Southern

Sun, Jul 5 - Thu, Aug 6

5:15 pm - 9:25 am

LHR

SYD

29h 10m

2 stops

10:10 pm - 6:35 pm

SYD

LHR

31h 25m

2 stops

$1,180China Southern

Sun, Nov 8 - Sun, Mar 7

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize 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

Austrian Airlines flights from London Heathrow Airport to Sydney

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

Austrian Airlines

Sep 9

LHR7:30 pmLondon Heathrow

29h 50m

2 stops

SYD10:20 amSydney Kingsford Smith

Oct 6

SYD3:35 pmSydney Kingsford Smith

26h 45m

2 stops

LHR8:20 amLondon Heathrow

$1,172

Austrian Airlines

Oct 28

LHR7:25 pmLondon Heathrow

29h 30m

2 stops

SYD11:55 amSydney Kingsford Smith

Nov 12

SYD3:35 pmSydney Kingsford Smith

27h 45m

2 stops

LHR8:20 amLondon Heathrow

$1,184

Austrian Airlines

Sep 21

LHR7:30 pmLondon Heathrow

29h 50m

2 stops

SYD10:20 amSydney Kingsford Smith

Oct 12

SYD3:35 pmSydney Kingsford Smith

26h 45m

2 stops

LHR8:20 amLondon Heathrow

$1,188

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 17

LHR8:35 pmLondon Heathrow

37h 30m

1 stop

SYD7:05 pmSydney Kingsford Smith

Oct 7

SYD9:35 pmSydney Kingsford Smith

31h 25m

1 stop

LHR7:00 pmLondon Heathrow

$1,198

Air India

Sep 15

LHR9:45 pmLondon Heathrow

36h 20m

1 stop

SYD7:05 pmSydney Kingsford Smith

Oct 1

SYD8:35 pmSydney Kingsford Smith

31h 25m

1 stop

LHR7:00 pmLondon Heathrow

$1,214

Air India

Sep 24

LHR8:35 pmLondon Heathrow

37h 30m

1 stop

SYD7:05 pmSydney Kingsford Smith

Oct 12

SYD9:35 pmSydney Kingsford Smith

47h 55m

1 stop

LHR11:30 amLondon Heathrow

$1,219

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

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 10/14

10:10 pm-8:25 pm

1 stop36h 15m

Sydney Kingsford Smith

Wed 10/21

11:05 am-7:20 pm

1 stop42h 15m

$1,169

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 9/9

7:30 pm-10:20 am

2 stops29h 50m

Sydney Kingsford Smith

Tue 10/6

3:35 pm-8:20 am

2 stops26h 45m

$1,172

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 11/5

9:00 pm-10:00 am

1 stop26h 00m

Sydney Kingsford Smith

Wed 11/25

12:00 pm-5:30 pm

1 stop40h 30m

$1,173

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 11/1

9:00 pm-10:00 am

1 stop26h 00m

Sydney Kingsford Smith

Wed 11/25

9:30 pm-5:30 pm

1 stop31h 00m

$1,174

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 10/26

9:00 pm-10:00 am

1 stop26h 00m

Sydney Kingsford Smith

Sun 11/1

12:00 pm-5:30 pm

1 stop40h 30m

$1,175

Quickest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 11/2

10:00 pm-9:25 am

1 stop24h 25m

Sydney Kingsford Smith

Tue 11/24

10:10 pm-6:35 pm

1 stop31h 25m

$1,176

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 7/5

10:10 pm-7:25 pm

1 stop36h 15m

Sydney Kingsford Smith

Thu 8/6

10:05 am-7:20 pm

1 stop42h 15m

$1,177

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 7/5

10:10 pm-7:25 pm

1 stop36h 15m

Sydney Kingsford Smith

Thu 8/6

10:05 am-6:05 pm

2 stops41h 00m

$1,178

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 7/5

10:10 pm-7:25 pm

1 stop36h 15m

Sydney Kingsford Smith

Thu 8/6

10:05 am-6:05 pm

2 stops41h 00m

$1,179

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 11/8

5:15 pm-9:25 am

2 stops29h 10m

Sydney Kingsford Smith

Sun 3/7

10:10 pm-6:35 pm

2 stops31h 25m

$1,180

Flights are sorted by cheapest round-trip 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

Layovers

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 $1,197. If you are unable to visit Sydney during the month of May, then departing from London Heathrow Airport during the month June is also very affordable. Most momondo users find prices during this month for around $1,232.

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 from London Heathrow Airport 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 $1,398 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 $1,314 on momondo.

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

There is only 1 cabin class available to choose from on London Heathrow Airport to Sydney 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 26% 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 June 2026, prices for London Heathrow Airport to Sydney flights are approximately 14% 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 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	23h 20m
Direct flights	Mon, Tue, Wed, Thu, Sat and Sun
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 on Monday, Tuesday, Wednesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights.

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 23h 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 June 2026, there are 6 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 (70.23% of total bookings). The next most popular plane models are Airbus A380 (24.43%), Boeing 777-300ER (3.82%), and Boeing 787-9 Dreamliner (1.53%).
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 (34% of total bookings). The next most popular airlines are China Southern (20%), Air India (13%), and United Airlines (11%).

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 1,454 reviews	Search Etihad Airways flights
China Southern	PriceFrom $840	Free Cancellation	Rating 7.5 154 reviews	Search China Southern flights
Air India	PriceFrom $852	Free Cancellation	Rating 5.5 2,958 reviews	Search Air India flights
China Eastern	PriceFrom $906	Free Cancellation	Rating 7.3 224 reviews	Search China Eastern flights
Emirates	PriceFrom $1,218	Free Cancellation	Rating 8.1 3,591 reviews	Search Emirates flights
United Airlines	PriceFrom $1,227	Free Cancellation	Rating 7.4 9,870 reviews	Search United Airlines flights

Parramatta

Katoomba

Bondi Beach

Penrith

Wollongong

Randwick

Leura

Lithgow

Manly

Coogee

Cronulla

Terrigal

Charlestown

Swansea

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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Tue 7/21

Tue 7/28

Email me momondo's favorite 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

Cheap flights from London Heathrow Airport to Sydney from $666

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 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London Heathrow Airport to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Austrian Airlines flights from London Heathrow Airport to Sydney

Our best Austrian Airlines 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

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 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 from London Heathrow Airport to Sydney?

What cabin class options are available on London Heathrow Airport to Sydney 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.

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