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

Air India, China Southern, and Qatar Airways are the most popular carriers operating from London to Sydney Kingsford Smith

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

Dubai (DXB) was the most common stop: 18% of momondo users choosing 1-stop flights on this route connected there.

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

The number of flights available between London and Sydney is 3 per day as of December 2025. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

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

As of December 2025, 21 flights take off from London and land in Sydney each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 21h 47m.

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

Dubai (DXB) has the shortest average layover time for this route: 1h 17m.

What airlines fly to Sydney?

Etihad Airways, China Southern and Singapore Airlines are the top three most popular airlines that fly to Sydney from London according to our data. Etihad Airways is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 10 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London to Sydney Kingsford Smith Airport were last updated today.

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

There are 10 operators available for flights from London to Sydney Kingsford Smith Airport as of December 2025.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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 license 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.

$639 Cheap Flights from London to Sydney in 2025/26

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9:30 pm - 8:20 pm

LHR

SYD

35h 50m2 stops

11:25 am - 2:00 pm

SYD

LHR

37h 35m2 stops

$1,034China Southern

Tue, Mar 10 - Sat, Mar 14

9:00 pm - 7:40 pm

LHR

SYD

37h 40m2 stops

9:45 pm - 6:05 pm

SYD

LHR

29h 20m2 stops

$1,037China Southern

Wed, Apr 15 - Wed, Apr 22

12:00 pm - 7:40 pm

LGW

SYD

22h 40m1 stop

10:05 am - 7:05 am

SYD

LGW

30h 00m1 stop

$1,043China Southern

Mon, Jun 1 - Thu, Jun 18

9:00 pm - 1:35 pm

LHR

SYD

29h 35m1 stop

9:30 pm - 5:30 pm

SYD

LHR

31h 00m1 stop

$1,049China Eastern

Sun, Feb 8 - Thu, Mar 5

12:35 pm - 2:50 pm

LGW

SYD

41h 15m1 stop

8:30 pm - 3:00 pm

SYD

LGW

27h 30m1 stop

$1,061Multiple Airlines

Sun, Apr 12 - Wed, Apr 22

10:00 pm - 7:15 pm

LHR

SYD

34h 15m1 stop

8:45 pm - 8:30 pm

SYD

LHR

34h 45m1 stop

$1,065Air India

Tue, Feb 17 - Tue, Feb 24

5:00 pm - 1:35 pm

LGW

SYD

33h 35m1 stop

9:30 pm - 2:00 pm

SYD

LGW

27h 30m1 stop

$1,066China Eastern

Sun, Jan 18 - Sun, Jan 25

9:00 pm - 2:50 pm

LHR

SYD

30h 50m1 stop

4:50 pm - 7:00 pm

SYD

LHR

37h 10m1 stop

$1,075Tianjin Airlines

Sat, Jan 31 - Fri, Feb 27

9:45 am - 6:25 pm

LHR

SYD

23h 40m1 stop

8:00 pm - 11:30 am

SYD

LHR

24h 30m1 stop

$1,085Air India

Mon, Jun 1 - Thu, Jun 18

12:00 pm - 7:40 pm

LGW

SYD

22h 40m1 stop

10:15 am - 3:10 pm

SYD

LGW

37h 55m2 stops

$1,124Multiple Airlines

Mon, May 11 - Tue, Jun 23

China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets

China Southern

Mar 10

LHR9:30 pmLondon Heathrow

35h 50m

2 stops

SYD8:20 pmSydney Kingsford Smith

Mar 14

SYD11:25 amSydney Kingsford Smith

37h 35m

2 stops

LHR2:00 pmLondon Heathrow

$1,034

Find similar

China Southern

Apr 15

LHR9:00 pmLondon Heathrow

37h 40m

2 stops

SYD7:40 pmSydney Kingsford Smith

Apr 22

SYD9:45 pmSydney Kingsford Smith

29h 20m

2 stops

LHR6:05 pmLondon Heathrow

$1,037

Find similar

China Southern

Jun 1

LGW12:00 pmLondon Gatwick

22h 40m

1 stop

SYD7:40 pmSydney Kingsford Smith

Jun 18

SYD10:05 amSydney Kingsford Smith

30h 00m

1 stop

LGW7:05 amLondon Gatwick

$1,043

Find similar

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets

China Eastern

Feb 8

LHR9:00 pmLondon Heathrow

29h 35m

1 stop

SYD1:35 pmSydney Kingsford Smith

Mar 5

SYD9:30 pmSydney Kingsford Smith

31h 00m

1 stop

LHR5:30 pmLondon Heathrow

$1,049

Find similar

China Eastern

Jan 18

LGW5:00 pmLondon Gatwick

33h 35m

1 stop

SYD1:35 pmSydney Kingsford Smith

Jan 25

SYD9:30 pmSydney Kingsford Smith

27h 30m

1 stop

LGW2:00 pmLondon Gatwick

$1,066

Find similar

China Eastern

Feb 9

LGW10:30 amLondon Gatwick

33h 00m

1 stop

SYD6:30 amSydney Kingsford Smith

Mar 6

SYD12:00 pmSydney Kingsford Smith

29h 30m

1 stop

LGW6:30 amLondon Gatwick

$1,067

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/10

9:30 pm-8:20 pm

2 stops35h 50m

Sydney Kingsford Smith

Sat 3/14

11:25 am-2:00 pm

2 stops37h 35m

$1,034

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 4/15

9:00 pm-7:40 pm

2 stops37h 40m

Sydney Kingsford Smith

Wed 4/22

9:45 pm-6:05 pm

2 stops29h 20m

$1,037

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 6/1

12:00 pm-7:40 pm

1 stop22h 40m

Sydney Kingsford Smith

Thu 6/18

10:05 am-7:05 am

1 stop30h 00m

$1,043

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 2/8

9:00 pm-1:35 pm

1 stop29h 35m

Sydney Kingsford Smith

Thu 3/5

9:30 pm-5:30 pm

1 stop31h 00m

$1,049

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 4/12

12:35 pm-2:50 pm

1 stop41h 15m

Sydney Kingsford Smith

Wed 4/22

8:30 pm-3:00 pm

1 stop27h 30m

$1,061

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 2/17

10:00 pm-7:15 pm

1 stop34h 15m

Sydney Kingsford Smith

Tue 2/24

8:45 pm-8:30 pm

1 stop34h 45m

$1,065

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 1/18

5:00 pm-1:35 pm

1 stop33h 35m

Sydney Kingsford Smith

Sun 1/25

9:30 pm-2:00 pm

1 stop27h 30m

$1,066

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 1/31

9:00 pm-2:50 pm

1 stop30h 50m

Sydney Kingsford Smith

Fri 2/27

4:50 pm-7:00 pm

1 stop37h 10m

$1,075

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 6/1

9:45 am-6:25 pm

1 stop23h 40m

Sydney Kingsford Smith

Thu 6/18

8:00 pm-11:30 am

1 stop24h 30m

$1,085

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 5/11

12:00 pm-7:40 pm

1 stop22h 40m

Sydney Kingsford Smith

Tue 6/23

10:15 am-3:10 pm

2 stops37h 55m

$1,124

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London 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 and Sydney?

What is the cheapest month to fly to Sydney?

In general, May is the cheapest month to fly from London to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,043. If you are unable to visit Sydney during the month of May, then departing from London during the month June is also very affordable. Most momondo users find prices during this month for around $1,121.

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

The cheapest day to depart from London to Sydney is on a Sunday when prices can be found for as low as $1,197. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,333.

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 to Sydney in the afternoon for as low as $1,245. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,490. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

Fly from London Heathrow to Sydney Kingsford Smith for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $1,324 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from London for as low as $1,095 on momondo.

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

There are 2 cabin classes available to choose from on London 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 to Sydney flights?

You could potentially save up to 1% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of December 2025, prices for London to Sydney flights are approximately 12% cheaper when compared to flights at the same time last year.

When to book flights from London to Sydney

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

Estimated round-trip price

Cheap London to Sydney (LON to SYD) flight deals and tips

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

Fastest flight time	22h 05m
Direct flights	None

The fastest flight from London to Sydney takes 22h 05m

There are no direct flights from London to Sydney. There are no popular flight routes from London to Sydney.

Search flight deals

How far is London to Sydney Kingsford Smith by plane?
The straight-line distance from London to Sydney Kingsford Smith is 10552.8 mi. 22h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from London to Sydney Kingsford Smith Airport?
Prices for flights from London to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from London to Sydney Kingsford Smith Airport?
There are 10 operators available for flights from London to Sydney Kingsford Smith Airport as of December 2025.
How old do you have to be to fly from London to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London 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 license 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 to Sydney?
Based on momondo bookings for flights between London and Sydney, the leading plane model is Airbus A380-800, making up 75.33% of the total bookings. Other popular models include Boeing 787-9 Dreamliner with 14.54%, Boeing 777-300ER with 8.81%, and Airbus A380 with 1.32%.
What is the most popular airline from London to Sydney?
momondo data reveals that the most frequently booked airline on the route from London to Sydney is China Southern, representing 17% of all bookings. The subsequent popular airlines are Cathay Pacific at 11%, China Eastern at 11%, and Emirates at 11%.

Best airlines flying from London to Sydney

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

Airline	Rating	Free Cancellation	Price
Etihad Airways	PriceFrom $757	Free Cancellation	Rating 7.4 1,332 reviews	Search Etihad Airways flights
China Southern	PriceFrom $792	Free Cancellation	Rating 7.5 122 reviews	Search China Southern flights
Air India	PriceFrom $852	Free Cancellation	Rating 5.5 2,952 reviews	Search Air India flights
China Eastern	PriceFrom $866	Free Cancellation	Rating 7.2 178 reviews	Search China Eastern flights
Singapore Airlines	PriceFrom $1,015	Free Cancellation	Rating 8.1 1,413 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom $1,115	Free Cancellation	Rating 7.6 1,095 reviews	Search Cathay Pacific flights
Emirates	PriceFrom $1,121	Free Cancellation	Rating 8.1 3,440 reviews	Search Emirates flights
Malaysia Airlines	PriceFrom $1,188	Free Cancellation	Rating 7.3 282 reviews	Search Malaysia Airlines flights
British Airways	PriceFrom $1,210	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
American Airlines	PriceFrom $1,246	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights

British Airways Flights From London to Sydney
Across 7 British Airways flights from London to Sydney this week, the average price was $1,533, with the best British Airways deals starting from $1,210 round-trip. 7,585 users have rated British Airways on momondo, with an average score of 6.7/10.

Parramatta

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Wollongong

Randwick

Coogee

Manly

Penrith

Cronulla

Lithgow

Leura

Charlestown

Terrigal

Swansea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Sydney. Millions of users trust and use momondo every year so you are in good hands.

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?

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

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Flights to Melbournefrom $674

Flights to Brisbanefrom $689

Flights to Perthfrom $1,058

Flights to Adelaidefrom $892

Flights to Cairnsfrom $1,017

Flights to Coolangattafrom $965

Flights to Hobartfrom $987

Flights to Canberrafrom $1,018

Flights to Darwinfrom $1,342

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Flights to Launcestonfrom $1,024

Flights to Townsvillefrom $1,188

Cheap flights from London to Sydney from $654

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 to Sydney departing on 2/19. 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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Filter for what you want

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China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets

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

See travel insights to Sydney from

How to get the cheapest flight ticket from London to Sydney

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

What is the cheapest month to fly to Sydney?

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

The cheapest day to depart from London to Sydney is on a Sunday when prices can be found for as low as $1,197. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,333.

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

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

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

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

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

There are 2 cabin classes available to choose from on London 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 to Sydney flights?

You could potentially save up to 1% on your flight if you consider stops on a London to Sydney flight.

How have London to Sydney flight prices changed over time?

As of December 2025, prices for London to Sydney flights are approximately 12% cheaper when compared to flights at the same time last year.

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

Air India, China Southern, and Qatar Airways are the most popular carriers operating from London to Sydney Kingsford Smith

What airlines fly to Sydney?

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

Dubai (DXB) was the most common stop: 18% of momondo users choosing 1-stop flights on this route connected there.

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

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

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

Flights connecting via Dubai (DXB) have the shortest average one-way travel time: 21h 47m.

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

Dubai (DXB) has the shortest average layover time for this route: 1h 17m.

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

The number of flights available between London and Sydney is 3 per day as of December 2025. The most frequent departure time is 9:00PM, with 100% of daily flights leaving in the evening.

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

As of December 2025, 21 flights take off from London and land in Sydney each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

When to book flights from London to Sydney

Cheap London to Sydney (LON to SYD) flight deals and tips

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

Fastest flight time

Direct flights

How far is London to Sydney Kingsford Smith by plane?

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

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

How old do you have to be to fly from London 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 to Sydney?

What is the most popular airline from London to Sydney?

Best airlines flying from London to Sydney

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

British Airways Flights From London to Sydney

Traveling 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, 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