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Cheap flights from London to Sydney from €544

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
China Southern Logo
21:30 - 13:20LHR  London Heathrow-SYD Sydney Kingsford Smith
28h 50m2 stops Beijing Daxing Intl Guangzhou Baiyun
China Southern Logo
15:10 - 18:35SYD  Sydney Kingsford Smith-LHR London Heathrow
38h 25m2 stops Guangzhou Baiyun Beijing Daxing Intl
€930China Southern
Mon, 23 Nov - Mon, 7 Dec
China Southern Logo
09:50 - 13:20LGW  London Gatwick-SYD Sydney Kingsford Smith
40h 30m1 stop Guangzhou Baiyun
China Southern Logo
15:10 - 17:20SYD  Sydney Kingsford Smith-LGW London Gatwick
37h 10m2 stops Guangzhou Baiyun Zhengzhou
€933China Southern
Mon, 23 Nov - Mon, 7 Dec
Multiple Airlines Logo
12:30 - 10:35LHR  London Heathrow-SYD Sydney Kingsford Smith
35h 05m1 stop Xiamen Gaoqi Intl
Multiple Airlines Logo
09:50 - 05:55SYD  Sydney Kingsford Smith-LHR London Heathrow
31h 05m2 stops Kuala Lumpur Intl Muscat Seeb
€937Multiple Airlines
Sun, 15 Nov - Thu, 19 Nov
China Southern Logo
21:30 - 13:20LHR  London Heathrow-SYD Sydney Kingsford Smith
28h 50m2 stops Beijing Daxing Intl Guangzhou Baiyun
China Southern Logo
15:10 - 18:35SYD  Sydney Kingsford Smith-LHR London Heathrow
38h 25m2 stops Guangzhou Baiyun Beijing Daxing Intl
€943China Southern
Mon, 23 Nov - Tue, 8 Dec
China Eastern Logo
21:00 - 13:35LHR  London Heathrow-SYD Sydney Kingsford Smith
29h 35m1 stop Shanghai Pu Dong
China Eastern Logo
12:00 - 06:25SYD  Sydney Kingsford Smith-LHR London Heathrow
29h 25m1 stop Shanghai Pu Dong
€949China Eastern
Sat, 21 Nov - Fri, 4 Dec
China Eastern Logo
21:00 - 09:05LHR  London Heathrow-SYD Sydney Kingsford Smith
49h 05m2 stops Shanghai Pu Dong Nanjing Lukou Intl
China Eastern Logo
11:15 - 17:30SYD  Sydney Kingsford Smith-LHR London Heathrow
41h 15m2 stops Wuhan Shanghai Pu Dong
€952China Eastern
Tue, 1 Dec - Mon, 7 Dec
Shenzhen Airlines Logo
21:10 - 13:40LHR  London Heathrow-SYD Sydney Kingsford Smith
29h 30m1 stop Shenzhen
Shenzhen Airlines Logo
22:10 - 19:10SYD  Sydney Kingsford Smith-LHR London Heathrow
32h 00m1 stop Shenzhen
€952Shenzhen Airlines
Wed, 30 Dec - Tue, 26 Jan
Air China Logo
20:25 - 08:35LHR  London Heathrow-SYD Sydney Kingsford Smith
25h 10m1 stop Beijing Capital
Air China Logo
10:30 - 15:55SYD  Sydney Kingsford Smith-LHR London Heathrow
40h 25m1 stop Beijing Capital
€953Air China
Tue, 1 Dec - Mon, 7 Dec
Shenzhen Airlines Logo
21:10 - 13:40LHR  London Heathrow-SYD Sydney Kingsford Smith
29h 30m1 stop Shenzhen
Shenzhen Airlines Logo
22:10 - 20:30SYD  Sydney Kingsford Smith-LHR London Heathrow
33h 20m1 stop Shenzhen
€954Shenzhen Airlines
Wed, 30 Dec - Wed, 13 Jan
Shenzhen Airlines Logo
21:10 - 13:40LHR  London Heathrow-SYD Sydney Kingsford Smith
29h 30m1 stop Shenzhen
Shenzhen Airlines Logo
22:10 - 19:10SYD  Sydney Kingsford Smith-LHR London Heathrow
32h 00m1 stop Shenzhen
€954Shenzhen Airlines
Wed, 30 Dec - Fri, 15 Jan

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Air China flights from London to Sydney

Our best Air China deals on London to Sydney flight tickets
Air China
1 Dec
LHR20:25London Heathrow
25h 10m
1 stop
SYD08:35Sydney Kingsford Smith
7 Dec
SYD10:30Sydney Kingsford Smith
40h 25m
1 stop
LHR15:55London Heathrow
€953
Air China
30 Nov
LHR17:45London Heathrow
27h 20m
1 stop
SYD08:05Sydney Kingsford Smith
14 Dec
SYD10:30Sydney Kingsford Smith
40h 25m
1 stop
LHR15:55London Heathrow
€1,038
Air China
23 Nov
LHR20:25London Heathrow
24h 40m
1 stop
SYD08:05Sydney Kingsford Smith
8 Dec
SYD10:30Sydney Kingsford Smith
40h 25m
1 stop
LHR15:55London Heathrow
€1,065

Shenzhen Airlines flights from London to Sydney

Our best Shenzhen Airlines deals on London to Sydney flight tickets
Shenzhen Airlines
30 Dec
LHR21:10London Heathrow
29h 30m
1 stop
SYD13:40Sydney Kingsford Smith
15 Jan
SYD22:10Sydney Kingsford Smith
32h 00m
1 stop
LHR19:10London Heathrow
€954
Shenzhen Airlines
30 Dec
LHR21:10London Heathrow
29h 30m
1 stop
SYD13:40Sydney Kingsford Smith
26 Jan
SYD22:10Sydney Kingsford Smith
32h 00m
1 stop
LHR19:10London Heathrow
€955
Shenzhen Airlines
5 Mar
LHR21:10London Heathrow
29h 30m
1 stop
SYD13:40Sydney Kingsford Smith
8 Mar
SYD22:10Sydney Kingsford Smith
33h 20m
1 stop
LHR20:30London Heathrow
€962

momondo Fare Finder

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

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Cheapest return flight

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 23/11

21:30-13:20

2 stops28h 50m

Sydney Kingsford Smith

Mon 7/12

15:10-18:35

2 stops38h 25m

€930

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Mon 23/11

09:50-13:20

1 stop40h 30m

Sydney Kingsford Smith

Mon 7/12

15:10-17:20

2 stops37h 10m

€933

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 15/11

12:30-10:35

1 stop35h 05m

Sydney Kingsford Smith

Thu 19/11

09:50-05:55

2 stops31h 05m

€937

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 23/11

21:30-13:20

2 stops28h 50m

Sydney Kingsford Smith

Tue 8/12

15:10-18:35

2 stops38h 25m

€943
Fastest return journey

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 21/11

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Fri 4/12

12:00-06:25

1 stop29h 25m

€949

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Tue 1/12

21:00-09:05

2 stops49h 05m

Sydney Kingsford Smith

Mon 7/12

11:15-17:30

2 stops41h 15m

€952

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 30/12

21:10-13:40

1 stop29h 30m

Sydney Kingsford Smith

Tue 26/1

22:10-19:10

1 stop32h 00m

€952

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Tue 1/12

20:25-08:35

1 stop25h 10m

Sydney Kingsford Smith

Mon 7/12

10:30-15:55

1 stop40h 25m

€953

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 30/12

21:10-13:40

1 stop29h 30m

Sydney Kingsford Smith

Wed 13/1

22:10-20:30

1 stop33h 20m

€954

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 30/12

21:10-13:40

1 stop29h 30m

Sydney Kingsford Smith

Fri 15/1

22:10-19:10

1 stop32h 00m

€954

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 €866 to €1,283.
The lowest price recently found on this route was €930.

What is the cheapest month to fly to Sydney?

The month of June is another great option to travel to Sydney, with average flight prices from London averaging around €1,105.

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 €1,301 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 €1,208 on momondo.

Can stopping save me money on London to Sydney flights?

You could potentially save up to 50% 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

€544

Fastest flight time

23h 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 €544. The best return flight deal from London to Sydney found on momondo in the last 72 hours is €930.
The fastest flight from London to Sydney takes 23h 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).
Search flight deals

Frequently asked questions about flying from London to Sydney

  • 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 23h 25m 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 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 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?

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 €808Free CancellationRating
7.5
188 reviews
Search China Southern flights

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Cronulla
Parramatta
Coogee
Terrigal
Randwick

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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China Southern