Cheap flights from London to Sydney from $875

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
China Southern Logo
09:50 - 06:35LGW  London Gatwick-SYD Sydney Kingsford Smith
33h 45m1 stop Guangzhou Baiyun
China Southern Logo
22:05 - 17:20SYD  Sydney Kingsford Smith-LGW London Gatwick
54h 15m2 stops Guangzhou Baiyun Zhengzhou
$1,521China Southern
Mon, 7 Dec - Thu, 25 Feb
China Eastern Logo
10:30 - 13:35LGW  London Gatwick-SYD Sydney Kingsford Smith
40h 05m1 stop Shanghai Pu Dong
China Eastern Logo
09:20 - 06:30SYD  Sydney Kingsford Smith-LGW London Gatwick
32h 10m1 stop Shanghai Pu Dong
$1,531China Eastern
Sun, 6 Dec - Sun, 27 Dec
China Southern Logo
21:30 - 20:25LHR  London Heathrow-SYD Sydney Kingsford Smith
35h 55m2 stops Beijing Daxing Intl Guangzhou Baiyun
China Southern Logo
11:25 - 17:55SYD  Sydney Kingsford Smith-LHR London Heathrow
65h 30m2 stops Guangzhou Baiyun Beijing Daxing Intl
$1,531China Southern
Sat, 20 Feb - Wed, 10 Mar
China Eastern Logo
12:30 - 07:20LHR  London Heathrow-SYD Sydney Kingsford Smith
31h 50m1 stop Shanghai Pu Dong
China Eastern Logo
11:10 - 17:30SYD  Sydney Kingsford Smith-LHR London Heathrow
41h 20m2 stops Xi'an Xianyang Shanghai Pu Dong
$1,531China Eastern
Sat, 20 Feb - Wed, 10 Mar
Multiple Airlines Logo
07:15 - 08:05LGW  London Gatwick-SYD Sydney Kingsford Smith
37h 50m2 stops Paris Charles de Gaulle Beijing Capital
Multiple Airlines Logo
10:30 - 06:20SYD  Sydney Kingsford Smith-LGW London Gatwick
30h 50m1 stop Beijing Capital
$1,533Multiple Airlines
Thu, 31 Dec - Sun, 24 Jan
Multiple Airlines Logo
21:00 - 14:50LHR  London Heathrow-SYD Sydney Kingsford Smith
30h 50m1 stop Chongqing Jiangbei Intl
Multiple Airlines Logo
10:30 - 15:55SYD  Sydney Kingsford Smith-LHR London Heathrow
40h 25m1 stop Beijing Capital
$1,533Multiple Airlines
Sat, 23 Jan - Tue, 2 Feb
Air India Logo
13:00 - 19:45LHR  London Heathrow-SYD Sydney Kingsford Smith
43h 45m1 stop New Delhi Indira Gandhi Intl
Air India Logo
22:30 - 06:35SYD  Sydney Kingsford Smith-LHR London Heathrow
43h 05m1 stop New Delhi Indira Gandhi Intl
$1,546Air India
Wed, 2 Dec - Fri, 15 Jan
Air India Logo
08:45 - 19:45LHR  London Heathrow-SYD Sydney Kingsford Smith
24h 00m1 stop New Delhi Indira Gandhi Intl
Air India Logo
22:30 - 06:35SYD  Sydney Kingsford Smith-LHR London Heathrow
43h 05m1 stop New Delhi Indira Gandhi Intl
$1,547Air India
Thu, 3 Dec - Wed, 13 Jan
Emirates Logo
14:05 - 22:30STN  London Stansted-SYD Sydney Kingsford Smith
21h 25m1 stop Dubai Intl
Emirates Logo
21:45 - 12:05SYD  Sydney Kingsford Smith-STN London Stansted
25h 20m1 stop Dubai Intl
$1,571Emirates
Fri, 26 Feb - Sat, 6 Mar
Emirates Logo
14:55 - 22:05STN  London Stansted-SYD Sydney Kingsford Smith
22h 10m1 stop Dubai Intl
Emirates Logo
20:10 - 12:55SYD  Sydney Kingsford Smith-STN London Stansted
25h 45m1 stop Dubai Intl
$1,575Emirates
Fri, 16 Apr - Fri, 30 Apr

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Emirates flights from London to Sydney

Our best Emirates deals on London to Sydney flight tickets
Emirates
16 Apr
STN14:55London Stansted
22h 10m
1 stop
SYD22:05Sydney Kingsford Smith
30 Apr
SYD20:10Sydney Kingsford Smith
25h 45m
1 stop
STN12:55London Stansted
$1,575
Emirates
9 Nov
LHR20:20London Heathrow
23h 40m
1 stop
SYD07:00Sydney Kingsford Smith
27 Nov
SYD06:00Sydney Kingsford Smith
25h 00m
1 stop
LHR20:00London Heathrow
$1,588
Emirates
19 Nov
LGW20:25London Gatwick
23h 35m
1 stop
SYD07:00Sydney Kingsford Smith
21 Dec
SYD06:00Sydney Kingsford Smith
23h 25m
1 stop
LGW18:25London Gatwick
$1,622

Turkish Airlines flights from London to Sydney

Our best Turkish Airlines deals on London to Sydney flight tickets
Turkish Airlines
4 Feb
STN10:55London Stansted
45h 30m
2 stops
SYD19:25Sydney Kingsford Smith
11 Feb
SYD21:35Sydney Kingsford Smith
29h 45m
2 stops
STN16:20London Stansted
$1,715
Turkish Airlines
18 Feb
STN17:20London Stansted
39h 05m
1 stop
SYD19:25Sydney Kingsford Smith
11 Mar
SYD21:35Sydney Kingsford Smith
47h 20m
1 stop
STN09:55London Stansted
$1,741
Turkish Airlines
10 Nov
STN17:20London Stansted
39h 05m
2 stops
SYD19:25Sydney Kingsford Smith
17 Nov
SYD21:35Sydney Kingsford Smith
47h 20m
2 stops
STN09:55London Stansted
$2,007

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Mon 7/12

09:50-06:35

1 stop33h 45m

Sydney Kingsford Smith

Thu 25/2

22:05-17:20

2 stops54h 15m

$1,521

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Sun 6/12

10:30-13:35

1 stop40h 05m

Sydney Kingsford Smith

Sun 27/12

09:20-06:30

1 stop32h 10m

$1,531

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

21:30-20:25

2 stops35h 55m

Sydney Kingsford Smith

Wed 10/3

11:25-17:55

2 stops65h 30m

$1,531

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 20/2

12:30-07:20

1 stop31h 50m

Sydney Kingsford Smith

Wed 10/3

11:10-17:30

2 stops41h 20m

$1,531

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Thu 31/12

07:15-08:05

2 stops37h 50m

Sydney Kingsford Smith

Sun 24/1

10:30-06:20

1 stop30h 50m

$1,533

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 23/1

21:00-14:50

1 stop30h 50m

Sydney Kingsford Smith

Tue 2/2

10:30-15:55

1 stop40h 25m

$1,533

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 2/12

13:00-19:45

1 stop43h 45m

Sydney Kingsford Smith

Fri 15/1

22:30-06:35

1 stop43h 05m

$1,546

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Thu 3/12

08:45-19:45

1 stop24h 00m

Sydney Kingsford Smith

Wed 13/1

22:30-06:35

1 stop43h 05m

$1,547
Fastest return journey

LondonSydney

STN London Stansted - SYD Sydney Kingsford Smith

STNSYD

London Stansted

Fri 26/2

14:05-22:30

1 stop21h 25m

Sydney Kingsford Smith

Sat 6/3

21:45-12:05

1 stop25h 20m

$1,571

LondonSydney

STN London Stansted - SYD Sydney Kingsford Smith

STNSYD

London Stansted

Fri 16/4

14:55-22:05

1 stop22h 10m

Sydney Kingsford Smith

Fri 30/4

20:10-12:55

1 stop25h 45m

$1,575

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

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?

Prices are currently typical for flights on this route.

Typical prices usually range from $1,413 to $2,093.
The lowest price recently found on this route was $1,517.

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from London, with most prices found around $1,729. If you aren’t able to travel to Sydney during the month of May, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $1,802.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,935. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $3,532.

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 $2,124 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 $1,978 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 7% 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 2026, prices for London to Sydney flights are approximately 24% 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

Best price found

$875

Fastest flight time

21h 25m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from London in the past 72 hours is $875. The best return flight deal from London to Sydney found on momondo in the last 72 hours is $1,521.
The fastest flight from London to Sydney takes 21h 25m
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).

Frequently asked questions about flying from London to Sydney

  • How far is London to Sydney Kingsford Smith by plane?

    A flight from London to Sydney Kingsford Smith will travel around 16983.0 km. A reasonable flight in good conditions will take 21h 25m.

  • 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 refresh daily.

  • 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?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify 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 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 licence 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 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
Airline
Rating
Free cancellation
Price
China SouthernPriceFrom $1,247Free cancellationRating
7.5
188 reviews
Search China Southern flights
China EasternPriceFrom $1,273Free cancellationRating
7.3
249 reviews
Search China Eastern flights
Qatar AirwaysPriceFrom $1,464Free cancellationRating
7.4
3,707 reviews
Search Qatar Airways flights
Air IndiaPriceFrom $1,482Free cancellationRating
5.5
2,899 reviews
Search Air India flights
Etihad AirwaysPriceFrom $1,512Free cancellationRating
7.3
1,555 reviews
Search Etihad Airways flights
Cathay PacificPriceFrom $1,516Free cancellationRating
7.6
1,539 reviews
Search Cathay Pacific flights
Qantas AirwaysPriceFrom $1,530Free cancellationRating
7.5
1,123 reviews
Search Qantas Airways flights
Singapore AirlinesPriceFrom $1,729Free cancellationRating
8.2
1,632 reviews
Search Singapore Airlines flights
EmiratesPriceFrom $1,749Free cancellationRating
8.1
3,692 reviews
Search Emirates flights
American AirlinesPriceFrom $1,881Free cancellationRating
7.0
12,231 reviews
Search American Airlines flights
  • Qantas Airways Flights From London to Sydney

    The lowest priced Qantas Airways flight from London to Sydney from the last 72 hours was $1,530. Generally, Qantas Airways has 7 flights on this route every week with an average price of $1,836. Qantas Airways is rated 7.5/10 by our users.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Terrigal
Wollongong
Katoomba
Penrith
Coogee
Lithgow
Manly
Cronulla
Randwick
Leura
Bondi Beach
Charlestown
Newport
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?

Yes. momondo allows you to filter the results for London to Sydney flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight 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?

Of course. momondo tracks the price of London to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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.
1 adult
Tue 8/12
Tue 15/12

Find better results for your trip to Australia