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Cheap flights from London to Sydney from $967

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 17/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
21 Aug — 28 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London to Sydney Kingsford Smith are usually found in May or November, booked 46 days in advance, depart on a Monday or Tuesday 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
Explore the most affordable flight options available from London to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 July 2026.

Thu 31/1209:50
LGW
-
SYD
1 stop23h 30m
China Southern
Mon 1/222:10
SYD
-
LGW
1 stop43h 20m
China Southern
Deal found 19/7$1,666
Sun 6/911:00
LGW
-
SYD
1 stop23h 25m
Multiple Airlines
Tue 22/913:00
SYD
-
LGW
3 stops39h 35m
Multiple Airlines
Deal found 18/7$1,668
Tue 18/822:40
LHR
-
SYD
2 stops35h 40m
Multiple Airlines
Tue 1/921:00
SYD
-
LHR
1 stop31h 30m
Multiple Airlines
Deal found 17/7$1,668
Wed 30/922:00
LGW
-
SYD
1 stop29h 35m
Multiple Airlines
Mon 5/1021:50
SYD
-
LGW
2 stops43h 35m
Multiple Airlines
Deal found 17/7$1,669
Tue 3/1121:30
LHR
-
SYD
2 stops35h 50m
China Southern
Thu 26/1122:10
SYD
-
LHR
2 stops30h 45m
China Southern
Deal found 19/7$1,671
Mon 9/1122:00
LHR
-
SYD
1 stop35h 20m
China Southern
Mon 30/1122:10
SYD
-
LHR
2 stops31h 25m
China Southern
Deal found 20/7$1,672
Sat 26/1210:30
LGW
-
SYD
1 stop33h 50m
China Eastern
Sat 16/109:20
SYD
-
LGW
1 stop32h 10m
China Eastern
Deal found 17/7$1,673
Mon 14/921:00
LHR
-
SYD
2 stops37h 25m
China Southern
Wed 30/921:45
SYD
-
LHR
2 stops29h 20m
China Southern
Deal found 20/7$1,675
Wed 9/922:00
LGW
-
SYD
3 stops73h 00m
China Eastern
Wed 23/910:05
SYD
-
LGW
3 stops66h 05m
China Eastern
Deal found 18/7$1,676
Sun 9/822:10
LHR
-
SYD
1 stop36h 15m
China Southern
Thu 20/810:05
SYD
-
LHR
1 stop42h 15m
China Southern
Deal found 20/7$1,676
Mon 23/1117:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Mon 21/1209:20
SYD
-
LGW
1 stop32h 10m
China Eastern
Deal found 20/7$1,681
Thu 27/822:40
LHR
-
SYD
1 stop31h 10m
Multiple Airlines
Wed 9/920:35
SYD
-
LHR
1 stop31h 25m
Multiple Airlines
Deal found 20/7$1,683

Find flight deals from London to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 July 2026.

Round-trip from

$1,666

One-way from

$967

Popular in

December

Cheapest in

May

Average price

$2,425

Good one-way deal

$3,113 or less
China Southern
  • China Southern
  • 31/12-1/2
  • 2 total stops
  • 66h 50m total
  • London to Sydney
Search Deals
17/8
  • 17/8
  • 2 total stops
  • 41h 30m total
  • London to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($206 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($99 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a one-way flight from London (LON) to Sydney Kingsford Smith.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 22 July 2026.
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 - SYD

LGWSYD

London Gatwick

Wed 2/9

18:00-12:35

1 stop33h 35m

Sydney Kingsford Smith

Thu 24/9

11:00-06:40

1 stop28h 40m

$1,896

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 11/11

20:15-18:35

1 stop35h 20m

Sydney Kingsford Smith

Sun 15/11

21:10-12:05

1 stop25h 55m

$1,913

LondonSydney

STN - SYD

STNSYD

London Stansted

Thu 3/9

21:05-17:30

1 stop35h 25m

Sydney Kingsford Smith

Mon 21/9

20:10-12:55

1 stop25h 45m

$1,919

LondonSydney

LTN - SYD

LTNSYD

London Luton

Thu 13/8

15:00-09:20

2 stops33h 20m

Sydney Kingsford Smith

Tue 18/8

11:00-13:25

2 stops35h 25m

$1,927

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 11/11

09:40-22:30

1 stop25h 50m

Sydney Kingsford Smith

Sun 15/11

11:40-11:40

2 stops35h 00m

$1,929

LondonSydney

LTN - SYD

LTNSYD

London Luton

Fri 2/10

15:15-08:20

3 stops32h 05m

Sydney Kingsford Smith

Fri 16/10

14:00-23:50

3 stops43h 50m

$1,933

LondonSydney

LTN - SYD

LTNSYD

London Luton

Sun 6/9

07:50-19:25

2 stops26h 35m

Sydney Kingsford Smith

Sun 27/9

15:40-14:35

2 stops31h 55m

$1,933
Fastest return journey

LondonSydney

STN - SYD

STNSYD

London Stansted

Thu 12/11

14:05-22:30

1 stop21h 25m

Sydney Kingsford Smith

Fri 27/11

06:00-17:55

1 stop22h 55m

$1,957

LondonSydney

SEN - SYD

SENSYD

London Southend

Wed 5/8

16:50-09:20

3 stops31h 30m

Sydney Kingsford Smith

Wed 9/9

10:05-23:10

3 stops46h 05m

$2,003

LondonSydney

LTN - SYD

LTNSYD

London Luton

Mon 17/8

12:25-06:10

2 stops32h 45m

Sydney Kingsford Smith

Tue 8/9

19:40-20:30

2 stops33h 50m

$2,036

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 $1,651). Flying from London to Sydney in December is currently the most expensive (average of $2,656). 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?

Find hourly flight availability from London to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 July 2026.

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

Explore weekly flight availability from London to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 22 July 2026.

The most flights from LON to SYD are scheduled on a Monday (3 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

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

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

Share of one-stop return flights from London to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Guangzhou (CAN) – 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?

Average return fare for one-stop flights from London to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Ho Chi Minh City (SGN) is the most affordable one-stop option, with an average return flight price of $713.

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

Shortest average travel time for one-stop one-way flights from London to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Manama (BAH) have the shortest average one-way travel time for one-stop routes: 19h 00m.

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

Average stopover duration for one-stop one-way flights from London to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Dubai (DXB) offer the fastest connection on this route, with an average stopover time of 1h 41m.

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

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 22 July 2026.
See what other customers who have flown with Cathay Pacific,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.
Cathay Pacific
7.6
Good
1,421 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Cathay Pacific
7.6
Good
1,421 reviews
Cathay Pacific
7.6
Good
1,421 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Qantas Airways
7.5
Good
1,067 reviews
Cathay Pacific
7.6
Good
1,421 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
China Southern
7.4
Good
164 reviews
Cathay Pacific
7.6
Good
1,421 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
Etihad Airways
7.3
Good
1,484 reviews
Cathay Pacific
7.6
Good
1,421 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.
China Eastern
7.3
Good
229 reviews
Cathay Pacific
7.6
Good
1,421 reviews
Check prices

Overall

7.6

Comfort

7.6

Entertainment

7.8

Crew

8.1

Food

7.3

Boarding

7.9

Reviews

1 / 20
8.0
Excellent

KS,June 2025

TFU - HKG

I like the crews and flights, English over the speakers were difficult to understand. The beef dinner was off flavor.

Related info for your journey

Find useful and relevant information for your journey from London to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 2 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?

    China Eastern, Emirates, and KLM can get you from London to Sydney in just under 27h 35m. Your travel time can differ by up to 7h 45m. The distance from London to Sydney is about 16975 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 Air China. Our recent data shows that you can find tickets from as low as $1,070 on this airline. Additional options worth looking into are Air India and China Southern, starting at $1,187 and $1,200 round-trip. Air China is priced at 44% 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?

    $668 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 China Eastern and China Southern, with prices starting from $702 and $729, 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.

  • What are the cheapest flights from London to Sydney?

    Looking for the cheapest flight from London to Sydney? While on average our users pay $3,113, our data indicates the cheapest price to be $2,797. The most popular route (London Heathrow - Sydney Kingsford Smith), is priced around $1,291.

  • 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 $1,651). Flying from London to Sydney in December is currently the most expensive (average of $2,656). 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
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from London to Sydney

Discover the top 10 airlines that operate flights from London to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 22 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$1,070Average$1,834FlexibilityNo cancel feeOn-time67%
Search Air China flights
Air IndiaCheapest$1,187Average$2,227FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
China SouthernCheapest$1,200Average$1,601FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,248Average$1,552FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Qatar AirwaysCheapest$1,435Average$2,654FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Qantas AirwaysCheapest$1,461Average$2,369FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
China AirlinesCheapest$1,479Average$1,631FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Etihad AirwaysCheapest$1,482Average$2,293FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Cathay PacificCheapest$1,486Average$1,992FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Malaysia AirlinesCheapest$1,656Average$2,663FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

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