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

Hong Kong (HKG) has the shortest average stopover time for this route: 1h 25m.

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

As of November 2025, there are 21 flights per week flying from London to Sydney. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

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

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 30m.

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

Los Angeles (LAX) was the most common stop: 24% of momondo users choosing one-stop flights on this route connected there.

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

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

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

Flights via Beijing (PEK) offer the lowest average return price of €589.

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

As of November 2025, there are 3 flights per day flying from London to Sydney. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

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 are updated daily.

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

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

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

€613 Cheap Flights from London to Sydney in 2025/26

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22:00 - 13:35LHR-SYD

28h 35m1 stop

11:25 - 14:00SYD-LHR

37h 35m2 stops

€853China Southern

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Sun, 15 Feb - Sat, 14 Mar

21:15 - 12:15LHR-SYD

28h 00m1 stop

22:10 - 16:55SYD-LHR

29h 45m1 stop

€890China Airlines

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Fri, 20 Feb - Tue, 24 Feb

22:00 - 13:35LHR-SYD

28h 35m1 stop

11:25 - 18:35SYD-LHR

42h 10m1 stop

€920China Southern

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Sun, 15 Feb - Sat, 14 Mar

21:15 - 12:15LHR-SYD

28h 00m1 stop

22:10 - 16:30SYD-LHR

27h 20m1 stop

€925China Airlines

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Sat, 7 Mar - Thu, 7 May

21:15 - 12:15LHR-SYD

28h 00m1 stop

22:10 - 16:55SYD-LHR

29h 45m1 stop

€926China Airlines

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Fri, 27 Feb - Tue, 17 Mar

08:50 - 17:55LHR-SYD

22h 05m1 stop

21:30 - 18:10SYD-LHR

31h 40m1 stop

€968Etihad Airways

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Sun, 16 Nov - Fri, 5 Dec

08:50 - 17:55LHR-SYD

22h 05m1 stop

16:35 - 14:30SYD-LHR

32h 55m1 stop

€970Etihad Airways

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Thu, 26 Feb - Wed, 18 Mar

20:25 - 15:30LHR-SYD

32h 05m1 stop

20:40 - 15:55SYD-LHR

30h 15m1 stop

€1,004Air China

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Thu, 20 Nov - Thu, 11 Dec

22:05 - 09:35LHR-SYD

24h 30m1 stop

22:20 - 15:00SYD-LHR

27h 40m1 stop

€1,016Cathay Pacific

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Tue, 3 Mar - Sun, 15 Mar

08:40 - 18:50LHR-SYD

23h 10m1 stop

21:40 - 12:10SYD-LHR

25h 30m1 stop

€1,025British Airways

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Mon, 2 Mar - Thu, 26 Mar

China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets

China Southern

15 Feb

LHR22:00London Heathrow

28h 35m

1 stop

SYD13:35Sydney Kingsford Smith

14 Mar

SYD11:25Sydney Kingsford Smith

37h 35m

2 stops

LHR14:00London Heathrow

€853

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China Southern

15 Feb

LHR22:00London Heathrow

28h 35m

1 stop

SYD13:35Sydney Kingsford Smith

14 Mar

SYD11:25Sydney Kingsford Smith

42h 10m

1 stop

LHR18:35London Heathrow

€920

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China Southern

20 Jan

LHR22:00London Heathrow

24h 25m

1 stop

SYD09:25Sydney Kingsford Smith

10 Mar

SYD22:00Sydney Kingsford Smith

31h 35m

1 stop

LHR18:35London Heathrow

€947

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Etihad Airways flights from London to Sydney

Our best Etihad Airways deals on London to Sydney flight tickets

Etihad Airways

16 Nov

LHR08:50London Heathrow

22h 05m

1 stop

SYD17:55Sydney Kingsford Smith

5 Dec

SYD21:30Sydney Kingsford Smith

31h 40m

1 stop

LHR18:10London Heathrow

€968

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Etihad Airways

26 Feb

LHR08:50London Heathrow

22h 05m

1 stop

SYD17:55Sydney Kingsford Smith

18 Mar

SYD16:35Sydney Kingsford Smith

32h 55m

1 stop

LHR14:30London Heathrow

€970

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Etihad Airways

15 Nov

LHR13:55London Heathrow

41h 00m

1 stop

SYD17:55Sydney Kingsford Smith

5 Dec

SYD21:30Sydney Kingsford Smith

31h 40m

1 stop

LHR18:10London Heathrow

€971

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Depart

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Price

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 15/2

22:00-13:35

1 stop28h 35m

Sydney Kingsford Smith

Sat 14/3

11:25-14:00

2 stops37h 35m

€853

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 20/2

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Tue 24/2

22:10-16:55

1 stop29h 45m

€890

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 15/2

22:00-13:35

1 stop28h 35m

Sydney Kingsford Smith

Sat 14/3

11:25-18:35

1 stop42h 10m

€920

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 7/3

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Thu 7/5

22:10-16:30

1 stop27h 20m

€925

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 27/2

21:15-12:15

1 stop28h 00m

Sydney Kingsford Smith

Tue 17/3

22:10-16:55

1 stop29h 45m

€926

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sun 16/11

08:50-17:55

1 stop22h 05m

Sydney Kingsford Smith

Fri 5/12

21:30-18:10

1 stop31h 40m

€968

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 26/2

08:50-17:55

1 stop22h 05m

Sydney Kingsford Smith

Wed 18/3

16:35-14:30

1 stop32h 55m

€970

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 20/11

20:25-15:30

1 stop32h 05m

Sydney Kingsford Smith

Thu 11/12

20:40-15:55

1 stop30h 15m

€1,004

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 3/3

22:05-09:35

1 stop24h 30m

Sydney Kingsford Smith

Sun 15/3

22:20-15:00

1 stop27h 40m

€1,016

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 2/3

08:40-18:50

1 stop23h 10m

Sydney Kingsford Smith

Thu 26/3

21:40-12:10

1 stop25h 30m

€1,025

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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

Stopovers

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?

The month of March is another great option to travel to Sydney, with average flight prices from London averaging around €974.

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

According to our data, Saturday is the cheapest day to fly to Sydney from London. The lowest ticket price found for a Saturday departure recently was €934. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around €1,242. These prices are subject to change though, so be sure to set up a Price Alert for flights to Sydney.

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

Flying to Sydney from London in the evening is the least expensive time of day to depart. momondo users have found prices as low as €959 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around €1,214. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 €1,158 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 for as low as €987 on momondo.

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

There is only 1 cabin class 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 57% 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 November 2025, prices for London to Sydney flights are approximately 10% 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 return 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 55m
Direct flights	Tue and Sun
Airports in Sydney	1 airport

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

Direct flights go from London to Sydney on Tuesday and Sunday. There are no airlines offering direct flights..

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

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How far is London to Sydney Kingsford Smith by plane?
There are 16983.0 km between London and Sydney Kingsford Smith. Typically, this will take 22h 05m by plane in normal conditions.
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 are updated daily.
How old do you have to be to fly from London 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 stopovers 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 to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from London to Sydney?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from London to Sydney is Airbus A380-800 (80.78% of total bookings). The next most popular plane models are Boeing 787-9 Dreamliner (10.75%), Boeing 777-300ER (6.51%), and Airbus A380 (1.95%).

Parramatta

Coogee

Randwick

Terrigal

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Sydney for you.

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

All flight searches from London to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

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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 to Sydney from €613

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 23/2. 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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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

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

What is the cheapest month to fly to Sydney?

The month of March is another great option to travel to Sydney, with average flight prices from London averaging around €974.

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

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 is only 1 cabin class 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 57% 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 November 2025, prices for London to Sydney flights are approximately 10% cheaper when compared to flights at the same time last year.

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

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

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

Los Angeles (LAX) was the most common stop: 24% of momondo users choosing one-stop flights on this route connected there.

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

Flights via Beijing (PEK) offer the lowest average return price of €589.

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

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 30m.

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

Hong Kong (HKG) has the shortest average stopover time for this route: 1h 25m.

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

As of November 2025, there are 3 flights per day flying from London to Sydney. The most common time of day flights depart is 21:00, with 100% of flights taking off in the evening.

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

As of November 2025, there are 21 flights per week flying from London to Sydney. The most common day of the week flights depart is Mon, with 14% of 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

Airports in Sydney

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 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?

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

Fly your favourite airline to Sydney

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