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 connection time from London to Sydney?

Singapore (SIN) has the shortest average layover time for this route: 0h 53m.

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

The number of flights available between London and Sydney is 2 per day as of July 2026. The most frequent departure time is 10:00PM, with 100% of daily flights leaving in the evening.

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

China Eastern, China Southern, and AirAsia X are the most popular carriers operating from London to Sydney Kingsford Smith

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 according to our data. Etihad Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 6 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Doha (DOH) was the most common stop: 24% of momondo users choosing 1-stop flights on this route connected there.

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

As of July 2026, 20 flights take off from London and land in Sydney each week. The most common flight departure day for this route is Mon, with 15% of weekly flights taking off on this day.

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

Flights connecting via Singapore (SIN) have the shortest average one-way travel time: 21h 45m.

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 6 operators available for flights from London to Sydney Kingsford Smith Airport as of July 2026.

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.

$668 Cheap Flights from London to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Sydney

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 pm - 9:25 am

LHR

SYD

48h 55m

2 stops

11:25 am - 2:00 pm

SYD

LHR

37h 35m

2 stops

$1,186China Southern

Fri, Nov 27 - Tue, Dec 15

11:35 am - 9:00 am

LGW

SYD

36h 25m

1 stop

8:30 pm - 3:00 pm

SYD

LGW

27h 30m

1 stop

$1,187China Eastern

Sun, Sep 13 - Sun, Sep 20

9:30 pm - 7:30 am

LHR

SYD

47h 00m

2 stops

11:25 am - 5:55 pm

SYD

LHR

41h 30m

2 stops

$1,187China Southern

Fri, Nov 27 - Wed, Dec 30

10:00 pm - 9:00 am

LGW

SYD

26h 00m

1 stop

10:05 am - 3:00 pm

SYD

LGW

37h 55m

2 stops

$1,188China Eastern

Sun, Sep 13 - Sun, Sep 20

9:20 pm - 8:00 am

LHR

SYD

73h 40m

3 stops

10:00 am - 6:40 pm

SYD

LHR

41h 40m

2 stops

$1,188China Eastern

Sat, Sep 5 - Sat, Sep 12

9:20 pm - 8:00 am

LHR

SYD

49h 40m

2 stops

7:40 pm - 8:25 pm

SYD

LHR

33h 45m

1 stop

$1,189Multiple Airlines

Wed, Aug 19 - Wed, Aug 26

5:55 pm - 9:00 am

LGW

SYD

30h 05m

1 stop

10:05 am - 7:10 pm

SYD

LGW

66h 05m

3 stops

$1,189China Eastern

Sun, Aug 30 - Sun, Sep 20

9:30 pm - 1:35 pm

LHR

SYD

29h 05m

2 stops

11:25 am - 6:35 pm

SYD

LHR

42h 10m

2 stops

$1,190China Southern

Fri, Nov 27 - Tue, Dec 15

6:00 pm - 9:00 am

LGW

SYD

30h 00m

1 stop

10:05 am - 7:40 pm

SYD

LGW

42h 35m

1 stop

$1,190Multiple Airlines

Sat, Aug 22 - Sat, Aug 29

10:00 pm - 9:00 am

LGW

SYD

26h 00m

1 stop

8:30 pm - 7:10 pm

SYD

LGW

31h 40m

1 stop

$1,191China Eastern

Sun, Sep 20 - Wed, Sep 30

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China Southern flights from London to Sydney

Our best China Southern deals on London to Sydney flight tickets

China Southern

Nov 27

LHR9:30 pmLondon Heathrow

48h 55m

2 stops

SYD9:25 amSydney Kingsford Smith

Dec 15

SYD11:25 amSydney Kingsford Smith

37h 35m

2 stops

LHR2:00 pmLondon Heathrow

$1,186

China Southern

Nov 27

LHR9:30 pmLondon Heathrow

47h 00m

2 stops

SYD7:30 amSydney Kingsford Smith

Dec 30

SYD11:25 amSydney Kingsford Smith

41h 30m

2 stops

LHR5:55 pmLondon Heathrow

$1,187

China Southern

Nov 27

LHR9:30 pmLondon Heathrow

29h 05m

2 stops

SYD1:35 pmSydney Kingsford Smith

Dec 15

SYD11:25 amSydney Kingsford Smith

42h 10m

2 stops

LHR6:35 pmLondon Heathrow

$1,190

China Eastern flights from London to Sydney

Our best China Eastern deals on London to Sydney flight tickets

China Eastern

Sep 13

LGW11:35 amLondon Gatwick

36h 25m

1 stop

SYD9:00 amSydney Kingsford Smith

Sep 20

SYD8:30 pmSydney Kingsford Smith

27h 30m

1 stop

LGW3:00 pmLondon Gatwick

$1,187

China Eastern

Sep 13

LGW10:00 pmLondon Gatwick

26h 00m

1 stop

SYD9:00 amSydney Kingsford Smith

Sep 20

SYD10:05 amSydney Kingsford Smith

37h 55m

2 stops

LGW3:00 pmLondon Gatwick

$1,188

China Eastern

Aug 30

LGW5:55 pmLondon Gatwick

30h 05m

1 stop

SYD9:00 amSydney Kingsford Smith

Sep 20

SYD10:05 amSydney Kingsford Smith

66h 05m

3 stops

LGW7:10 pmLondon Gatwick

$1,189

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 11/27

9:30 pm-9:25 am

2 stops48h 55m

Sydney Kingsford Smith

Tue 12/15

11:25 am-2:00 pm

2 stops37h 35m

$1,186

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 9/13

11:35 am-9:00 am

1 stop36h 25m

Sydney Kingsford Smith

Sun 9/20

8:30 pm-3:00 pm

1 stop27h 30m

$1,187

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 11/27

9:30 pm-7:30 am

2 stops47h 00m

Sydney Kingsford Smith

Wed 12/30

11:25 am-5:55 pm

2 stops41h 30m

$1,187

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 9/13

10:00 pm-9:00 am

1 stop26h 00m

Sydney Kingsford Smith

Sun 9/20

10:05 am-3:00 pm

2 stops37h 55m

$1,188

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 9/5

9:20 pm-8:00 am

3 stops73h 40m

Sydney Kingsford Smith

Sat 9/12

10:00 am-6:40 pm

2 stops41h 40m

$1,188

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 8/19

9:20 pm-8:00 am

2 stops49h 40m

Sydney Kingsford Smith

Wed 8/26

7:40 pm-8:25 pm

1 stop33h 45m

$1,189

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 8/30

5:55 pm-9:00 am

1 stop30h 05m

Sydney Kingsford Smith

Sun 9/20

10:05 am-7:10 pm

3 stops66h 05m

$1,189

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Fri 11/27

9:30 pm-1:35 pm

2 stops29h 05m

Sydney Kingsford Smith

Tue 12/15

11:25 am-6:35 pm

2 stops42h 10m

$1,190

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 8/22

6:00 pm-9:00 am

1 stop30h 00m

Sydney Kingsford Smith

Sat 8/29

10:05 am-7:40 pm

1 stop42h 35m

$1,190

Quickest round-trip

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 9/20

10:00 pm-9:00 am

1 stop26h 00m

Sydney Kingsford Smith

Wed 9/30

8:30 pm-7:10 pm

1 stop31h 40m

$1,191

Flights are sorted by cheapest round-trip flights first.

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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

Layovers

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,270 to $1,767.
The lowest price recently found on this route was $1,186.

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 $1,158. If you are unable to visit Sydney during the month of May, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around $1,220.

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 from London 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 $1,416 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 $1,312 on momondo.

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

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

You could potentially save up to 27% 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 July 2026, prices for London to Sydney flights are approximately 45% 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 45m
Direct flights	Every day
Airports in Sydney	1 airport

The fastest flight from London to Sydney takes 22h 45m

Direct flights go from London to Sydney every day.

There is 1 airport in Sydney. From London there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from London to Sydney

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 45m 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 6 operators available for flights from London to Sydney Kingsford Smith Airport as of July 2026.
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 77.03% of the total bookings. Other popular models include Airbus A380 with 17.57%, Boeing 777-300ER with 3.38%, and Boeing 787-9 Dreamliner with 1.35%.
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 Etihad Airways, representing 28% of all bookings. The subsequent popular airlines are China Southern at 25%, Singapore Airlines at 12%, and China Eastern 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 7.3 1,486 reviews	Search Etihad Airways flights
China Southern	PriceFrom $840	Free Cancellation	Rating 7.4 164 reviews	Search China Southern flights
Air India	PriceFrom $852	Free Cancellation	Rating 5.5 2,955 reviews	Search Air India flights
China Eastern	PriceFrom $906	Free Cancellation	Rating 7.3 229 reviews	Search China Eastern flights
Emirates	PriceFrom $1,218	Free Cancellation	Rating 8.1 3,636 reviews	Search Emirates flights
United Airlines	PriceFrom $1,227	Free Cancellation	Rating 7.4 10,040 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?

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.

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Cheap flights from London to Sydney from $668

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 10/15. 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 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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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 London to Sydney Kingsford Smith flight route?

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

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

Can stopping save me money on London to Sydney flights?

How have London to Sydney flight prices changed over time?

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

What airlines fly to Sydney?

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

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

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

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

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

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

When to book flights from London to Sydney

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

Fastest flight time

Direct flights

Airports in Sydney

Frequently asked questions about flying 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

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.

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

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