Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London to Sydney from $875

LON — SYD
9 Dec — 16 Dec1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Sydney Kingsford Smith are usually found in May or June, booked 65 days in advance, depart on a Wednesday or Monday and return on a Monday

Cheap flight deals from London to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from London to Sydney

Sun 6/1210:30 -
1 stop40h 05m
Sun 27/1209:20 -
1 stop32h 10m
Deal found 8/11$1,531
Sat 28/1121:00 -
1 stop29h 35m
Mon 14/1221:30 -
1 stop31h 00m
Deal found 7/11$1,531
Thu 31/1207:15 -
2 stops37h 50m
Sun 24/110:30 -
1 stop30h 50m
Deal found 7/11$1,533
Sun 29/1110:30 -
1 stop36h 30m
Sun 6/1212:00 -
1 stop37h 00m
Deal found 7/11$1,536
Thu 19/1110:30 -
2 stops35h 45m
Sat 5/1211:15 -
2 stops54h 15m
Deal found 7/11$1,537
Thu 19/1121:00 -
2 stops49h 00m
Sat 5/1211:15 -
2 stops41h 15m
Deal found 7/11$1,537
Mon 16/1117:00 -
2 stops53h 15m
Wed 25/1121:30 -
1 stop44h 00m
Deal found 5/11$1,542
Sat 28/1114:05 -
1 stop21h 25m
Mon 18/121:10 -
1 stop25h 55m
Deal found 9/11$1,542
Mon 23/1121:00 -
3 stops73h 05m
Mon 7/1211:15 -
3 stops41h 15m
Deal found 4/11$1,542
Wed 11/1110:30 -
1 stop36h 30m
Wed 30/1209:20 -
1 stop32h 10m
Deal found 4/11$1,543
Tue 10/1110:30 -
2 stops35h 45m
Tue 24/1112:00 -
1 stop37h 00m
Deal found 5/11$1,544
Wed 30/1221:30 -
2 stops35h 55m
Sun 31/120:40 -
1 stop30h 15m
Deal found 6/11$1,544

Find flight deals from London to Sydney

Round-trip from

$1,531

One-way from

$875

Popular in

December

Cheapest in

May

Average price

$1,802
China Eastern
  • China Eastern
  • 6/12-27/12
  • 2 total stops
  • 72h 15m total
  • London to Sydney
Search Deals
Air China
  • Air China
  • 26/2-31/12
  • 1 total stop
  • 33h 30m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($203 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($94 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights 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

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Mon 29/3

15:50-20:20

3 stops42h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$895

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Sun 13/12

17:00-13:40

2 stops57h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$908

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Sun 29/11

14:35-10:00

3 stops56h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$980

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Thu 31/12

07:00-08:05

2 stops38h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$984

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Thu 10/12

06:40-08:05

2 stops38h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,002

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Mon 8/2

20:25-18:20

3 stops58h 55m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,028

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Fri 19/2

06:00-13:40

2 stops44h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,035

LondonSydney

LTN London Luton - SYD Sydney Kingsford Smith

LTNSYD

London Luton

Sun 10/1

15:55-13:35

2 stops58h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,102

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Thu 18/2

08:40-18:20

1 stop22h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,205

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Wed 30/12

08:40-19:20

1 stop23h 40m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,221

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from London to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from London with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London to Sydney

What is the cheapest month to book a flight from London to Sydney?

Currently, May is the cheapest month in which you can book a flight from London to Sydney (average of $1,729). Flying from London to Sydney in December is currently the most expensive (average of $2,743). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from LON to SYD?

When flying from London to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London to Sydney

The most flights from LON to SYD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

How much does it cost for a return flight from London to Sydney?

Airfare is typical for this route at the moment.
London to Sydney flights typically cost between $1,413 and $2,093 in December.
The cheapest return price found within the last 5 days was $1,531 on China Eastern (6 Dec–27 Dec).

What’s the top stopover airport for flights from London to Sydney?

Abu Dhabi (AUH) – chosen by Cheapflights users on 20% of one-stop itineraries from London to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from London to Sydney?

Ho Chi Minh City (SGN) is the most affordable one-stop option, with an average return flight price of $727.

What’s the fastest stopover option from London to Sydney?

Flights via Singapore (SIN) have the shortest average one-way travel time for one-stop routes: 21h 40m.

Which airport typically offers the quickest stopover for flights from London to Sydney?

Flights via Singapore (SIN) offer the fastest connection on this route, with an average stopover time of 1h 33m.

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

To ensure you get the cheapest price possible for a flight from London to Sydney, you should look to book at least 45 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Sydney

See what other customers who have flown with Singapore Airlines,Qantas Airways, andChina Southern from London to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,633 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.6

Comfort

8.0

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.
Singapore Airlines
8.2
Very Good
1,633 reviews
Singapore Airlines
8.2
Very Good
1,633 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.6

Comfort

8.0

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.
Qantas Airways
7.5
Good
1,123 reviews
Singapore Airlines
8.2
Very Good
1,633 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.6

Comfort

8.0

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.
China Southern
7.5
Good
188 reviews
Singapore Airlines
8.2
Very Good
1,633 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.6

Comfort

8.0

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.
Etihad Airways
7.3
Good
1,555 reviews
Singapore Airlines
8.2
Very Good
1,633 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.6

Comfort

8.0

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.
China Eastern
7.3
Good
250 reviews
Singapore Airlines
8.2
Very Good
1,633 reviews
Check prices

Boarding

8.3

Food

7.8

Crew

8.6

Comfort

8.0

Entertainment

8.1

Overall

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

Related info for your journey

  • What airport do you fly into for flights to Sydney from London?

    For a flight from London to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 3 inbound flights from London per day. 12 airlines have flights to Sydney Kingsford Smith from London on a regular basis.

  • How long is the flight from London to Sydney?

    Turkish Airlines, SWISS, and Qatar Airways can get you from London to Sydney in just under 22h 40m. Your travel time can differ by up to 16h 25m. The distance from London to Sydney is about 17008 km. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from London to Sydney round-trip?

    Our cheapest airline available from London to Sydney is China Southern. Our recent data shows that you can find tickets from as low as $1,247 on this airline. Additional options worth looking into are China Eastern and Qatar Airways, starting at $1,273 and $1,464 round-trip. China Southern is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from London to Sydney one-way?

    $518 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on Tianjin Airlines and China Eastern, with prices starting from $695 and $716, respectively.

  • What are the most popular routes from London to Sydney?

    Most travellers choose London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith or London Stansted - Sydney Kingsford Smith when deciding on the best route from London to Sydney.

  • Can I find deals for flights from London to Sydney that include hotel bookings?

    Yes. In addition to deals on London to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Sydney.

  • Can I find deals for business class flights from London to Sydney?

    Yes. Cheapflights offers flight deals from London to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Sydney?

    Currently, May is the cheapest month in which you can book a flight from London to Sydney (average of $1,729). Flying from London to Sydney in December is currently the most expensive (average of $2,743). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

Top 10 airlines flying from London to Sydney

AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$1,247Average$1,599FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,273Average$1,786FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qatar AirwaysCheapest$1,464Average$2,648FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Air IndiaCheapest$1,482Average$2,269FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,512Average$2,004FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest$1,516Average$2,032FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest$1,530Average$1,836FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Singapore AirlinesCheapest$1,729Average$2,596FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EmiratesCheapest$1,749Average$2,035FlexibilityNo cancel feeOn-time75%
Search Emirates flights
American AirlinesCheapest$1,881Average$2,004FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Sydney?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Sydney from London today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from London to Sydney?

Cheapflights helps you find that perfect flight to Sydney from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Sydney with no change fees?

Need flexible booking options for your flight to Sydney from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from London to Sydney become cheaper?

Of course! You can now track prices for flights from London to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.