Sydney

$601+ Cheap flights from London (LON) to Sydney (SYD)

LON — SYD
Nov 29 — Dec 61
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1. Tell us where you want to go

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2. Select your favorite providers

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Cheap flight deals from London to Sydney

Cheapest flights from London to Sydney

Mon 12/79:50 am -
1 stop33h 45m
Mon 3/110:05 pm -
1 stop43h 35m
Deal found 10/28$1,013
Mon 12/79:50 am -
1 stop33h 45m
Thu 2/253:10 pm -
1 stop26h 20m
Deal found 10/27$1,014
Tue 11/38:20 pm -
2 stops30h 00m
Wed 11/1811:25 am -
1 stop30h 05m
Deal found 10/27$1,016
Tue 12/88:20 pm -
2 stops30h 00m
Mon 3/810:05 pm -
2 stops30h 15m
Deal found 10/27$1,018
Tue 11/39:00 pm -
1 stop29h 35m
Wed 11/1812:00 pm -
1 stop40h 30m
Deal found 10/28$1,022
Wed 11/115:15 pm -
2 stops33h 05m
Fri 11/2010:05 pm -
2 stops50h 55m
Deal found 10/28$1,024
Sun 11/15:15 pm -
2 stops33h 05m
Fri 11/2010:05 pm -
2 stops50h 55m
Deal found 10/26$1,025
Fri 12/410:30 am -
1 stop40h 05m
Wed 3/311:10 am -
2 stops61h 50m
Deal found 10/25$1,028
Mon 11/301:40 pm -
2 stops31h 25m
Sat 2/610:30 am -
1 stop30h 10m
Deal found 10/27$1,036
Sun 11/112:30 pm -
1 stop35h 05m
Tue 11/2410:30 am -
1 stop40h 25m
Deal found 10/26$1,041
Sat 11/215:00 pm -
1 stop33h 35m
Sun 12/612:00 pm -
1 stop29h 30m
Deal found 10/29$1,042
Fri 11/2710:30 am -
1 stop40h 05m
Fri 12/412:00 pm -
1 stop29h 30m
Deal found 10/28$1,043

Find flight deals from London to Sydney

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,013
(Justfly.com)

One-way from

$601
(Justfly.com)

Popular in

December

Cheapest in

May

Average price

$1,368
Provider with most accurate pricing for London (LON)-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for London (LON)-Sydney Kingsford Smith flights.
From London (LON) to Sydney Kingsford Smith
One-way flight from London (LON) to Sydney Kingsford Smith
Highest demand for flights based on searches. 6% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Average for round-trip flights in October 2026

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 round-trip

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 3/17

9:10 pm-1:40 pm

1 stop29h 30m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$629

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 11/14

9:00 pm-2:50 pm

1 stop30h 50m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$639

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Sun 11/15

8:40 am-6:50 am

1 stop35h 10m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$936

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Mon 11/16

8:35 am-10:25 pm

2 stops26h 50m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$952

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Fri 11/20

8:40 am-8:25 am

2 stops36h 45m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$960

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Thu 11/5

8:05 am-7:20 pm

1 stop24h 15m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$989

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 1/11

6:45 pm-7:20 pm

1 stop37h 35m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$992

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 1/13

8:25 am-7:20 pm

1 stop23h 55m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$995

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Wed 1/6

9:10 pm-1:40 pm

1 stop29h 30m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$998

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sat 11/14

2:55 pm-10:25 pm

2 stops44h 30m

Sydney Kingsford Smith

Wed 12/31

12:00 am-3:00 pm

Nonstop0h 00m

$1,010

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 56 resultsSorted by cheapest first
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Compare providers for flights from London to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Sydney in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
BudgetAirPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Sydney flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 $1,182). Flying from London to Sydney in December is currently the most expensive (average of $1,876). 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 to fly round-trip from London to Sydney?

Airfare is typical for this route at the moment.
London to Sydney flights typically cost between $970 and $1,427 in December.
The cheapest round-trip price found within the last 5 days was $1,013 on China Southern (Dec 7-Mar 1).

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

Guangzhou (CAN) – chosen by Cheapflights users on 22% of 1-stop itineraries from London to Sydney on Cheapflights.

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

Guangzhou (CAN) is the most affordable 1-stop option, with an average round-trip price of $1,116.

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

Flights via Dubai (DXB) have the shortest average one-way travel time for 1-stop routes: 21h 50m.

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

Flights via Dubai (DXB) offer the fastest connection on this route, with an average layover time of 1h 53m.

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

Booking 45 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Reviews of airlines servicing Sydney

Read through reviews of airlines operating flights from London to Sydney, such as Singapore Airlines,China Southern, andQatar Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2026

SIN - JFK

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

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2026

SIN - JFK

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

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2026

SIN - JFK

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

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2026

SIN - JFK

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

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2026

SIN - JFK

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

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 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?

    Most people fly into Sydney Kingsford Smith (SYD) if they book a flight to Sydney from London. On average, Kingsford Smith has 3 inbound flights from London per day from 4 airlines. Sydney Kingsford Smith is conveniently located just 4.6 mi from Sydney’s city center.

  • How long is the flight from London to Sydney?

    Departing from London to Sydney will take you 21h 25m. There are 10528 mi between London and Sydney. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Currently priced at $566, Air China will fly you from London to Sydney and back. In addition to Air China, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from China Southern and Air India - these airlines can fly you to your destination from $748 and $852, respectively. These flights start at 59% lower than the current average price 3 months from now.

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

    The cheapest airline one-way is China Southern, with whom users have recently found tickets for as low as $518. However, be on the lookout for offers from Qatar Airways and Singapore Airlines, as they are both options that can get you from London to Sydney for a low price.

  • 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 vacation 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 $1,182). Flying from London to Sydney in December is currently the most expensive (average of $1,876). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Sydney

Top 4 airlines flying from London to Sydney

AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$566Average$697FlexibilityNo cancel feeOn-time67%
China SouthernCheapest$748Average$922FlexibilityNo cancel feeOn-time69%
Air IndiaCheapest$852Average$1,173FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$1,096Average$1,381FlexibilityNo cancel feeOn-time75%

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