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Cheap flights from London to Australia from $937

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 20/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
11 Aug — 18 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Australia

Enter your travel dates to find the best prices.

Cheapest flights from London to Australia
Explore the most affordable flight options available from London to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 July 2026.

Wed 2/919:15
LHR
-
SYD
2 stops39h 10m
China Southern
Mon 30/1111:25
SYD
-
LHR
1 stop42h 10m
China Southern
Deal found 7/7$1,653
Mon 31/811:35
LGW
-
SYD
3 stops35h 25m
Multiple Airlines
Tue 8/919:40
SYD
-
LGW
1 stop31h 25m
Multiple Airlines
Deal found 9/7$1,655
Wed 19/812:35
LGW
-
SYD
2 stops45h 45m
Multiple Airlines
Wed 2/922:15
SYD
-
LGW
2 stops41h 50m
Multiple Airlines
Deal found 10/7$1,656
Sun 18/1021:00
LHR
-
SYD
2 stops37h 25m
China Southern
Sun 1/1122:10
SYD
-
LHR
2 stops55h 25m
China Southern
Deal found 9/7$1,656
Wed 26/812:35
LGW
-
SYD
1 stop41h 15m
Multiple Airlines
Sun 20/909:45
SYD
-
LGW
2 stops30h 40m
Multiple Airlines
Deal found 9/7$1,658
Fri 4/921:20
LHR
-
SYD
1 stop30h 15m
Multiple Airlines
Thu 17/921:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Deal found 10/7$1,658
Mon 10/822:00
LGW
-
SYD
1 stop26h 00m
China Eastern
Tue 27/1021:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 11/7$1,659
Thu 3/921:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Tue 8/911:00
SYD
-
LHR
1 stop40h 40m
China Eastern
Deal found 7/7$1,659
Mon 3/821:50
LGW
-
SYD
1 stop25h 35m
China Southern
Mon 10/810:05
SYD
-
LGW
2 stops41h 25m
China Southern
Deal found 12/7$1,661
Sat 29/822:40
LHR
-
SYD
1 stop31h 10m
Air China
Tue 15/919:40
SYD
-
LHR
1 stop31h 00m
Air China
Deal found 9/7$1,661
Wed 2/922:00
LGW
-
SYD
1 stop29h 35m
China Eastern
Tue 15/911:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 8/7$1,662
Wed 2/921:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Fri 11/920:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 8/7$1,662

Find flight deals from London to Australia

Keep the following information in mind while searching for London to Australia flight deals. Data was last updated 12 July 2026.

Round-trip from

$1,653

One-way from

$937

Popular in

December

Cheapest in

May

Average price

$2,438

Good round-trip deal

$2,502 or less

Good one-way deal

$3,137 or less
China Southern
  • China Southern
  • 2/9-30/11
  • 3 total stops
  • 81h 20m total
  • London to Australia
Search Deals
20/8
  • 20/8
  • 3 total stops
  • 39h 55m total
  • London to Australia
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($198 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($97 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Australia.
Search Deals
Price to beat on a one-way flight from London (LON) to Australia.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Australia 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 12 July 2026.
Use the filters below to find and compare flights from London to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Wed 2/9

18:00-09:00

1 stop30h 00m

Melbourne

Thu 1/10

21:30-06:40

1 stop42h 10m

$1,724

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 26/8

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Wed 2/9

20:30-18:40

1 stop31h 10m

$1,760

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Fri 4/9

22:00-10:00

3 stops51h 00m

Melbourne

Sun 27/9

11:00-19:10

1 stop41h 10m

$1,773

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sat 5/9

11:35-10:00

2 stops37h 25m

Melbourne

Sat 26/9

21:30-15:00

1 stop26h 30m

$1,773

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 20/10

18:00-13:40

1 stop33h 40m

Melbourne

Tue 27/10

22:30-14:00

1 stop26h 30m

$1,777

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 4/10

22:05-13:00

1 stop28h 55m

Melbourne

Sun 18/10

22:20-19:50

1 stop31h 30m

$1,836

LondonPerth

LHR - PER

LHRPER

London Heathrow

Thu 19/11

08:25-01:25

2 stops33h 00m

Perth

Wed 25/11

16:15-18:25

2 stops34h 10m

$1,839

LondonPerth

LHR - PER

LHRPER

London Heathrow

Mon 24/8

08:25-01:10

2 stops33h 45m

Perth

Sun 6/9

02:10-19:10

2 stops48h 00m

$1,846

LondonPerth

LHR - PER

LHRPER

London Heathrow

Sun 1/11

21:25-01:25

1 stop20h 00m

Perth

Sun 15/11

16:15-05:35

1 stop21h 20m

$1,862

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Tue 15/9

17:35-06:15

2 stops27h 40m

Melbourne

Tue 6/10

14:25-09:55

2 stops29h 30m

$1,873

Flights are sorted by cheapest return flights first.

Deals found on 7/7

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

Best time to book a flight from London to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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 Australia

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

Currently, May is the cheapest month in which you can book a flight from London to Australia (average of $1,797). Flying from London to Australia in December is currently the most expensive (average of $2,660). 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 AU?

Find hourly flight availability from London to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 July 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Australia as you normally would.

Weekly flight availability from London to Australia

Explore weekly flight availability from London to Australia. 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 12 July 2026.

The most flights from LON to AU0 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 often are flights from London to Australia delayed?

About 25% of weekly flights between London and Australia have experienced delays in the past year, with the average delay time being 130 minutes.

What is the most punctual flight time for London to Australia flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Monday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Australia flights?

Over the past year, Qantas Airways have had the lowest number of delays on this route, with just 25% of flights being delayed.

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

The best time to book flights from London to Australia is 48 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated 12 July 2026.
Read through reviews of airlines operating flights from London to Australia, 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.
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very Good
1,572 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
China Southern
7.5
Good
158 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Qatar Airways
7.3
Good
3,742 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Etihad Airways
7.3
Good
1,475 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
China Eastern
7.3
Good
228 reviews
Singapore Airlines
8.2
Very Good
1,572 reviews
Check prices

Crew

8.6

Boarding

8.3

Overall

8.2

Entertainment

8.0

Comfort

8.0

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Related info for your journey

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

  • How long is the flight from London to Australia?

    A quick flight from London to Australia can take about 28h 55m. China Eastern provides one of the quickest options available for as low as $1,836. London and Australia are separated by a distance of 16897 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapet airlines for a one-way flight from London to Australia are Air China ($631), China Eastern ($702), and Hainan Airlines ($712).

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

    When deciding which route to take from London to Australia, consider London Heathrow - Sydney Kingsford Smith, London Gatwick - Sydney Kingsford Smith or London Stansted - Sydney Kingsford Smith, as they are the most popular.

  • What are the cheapest flights from London to Australia?

    While on average a flight from London to Australia is generally $3,137, our data shows the cheapest flight currently is $1,622. When looking at the most popular route, (London Heathrow - Sydney Kingsford Smith), you can expect to pay $1,259 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London to Australia 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 Australia?

    Currently, May is the cheapest month in which you can book a flight from London to Australia (average of $1,797). Flying from London to Australia in December is currently the most expensive (average of $2,660). 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

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 Australia

Discover the top 10 airlines that operate flights from London to Australia. 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 12 July 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$867Average$1,489FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Singapore AirlinesCheapest$1,255Average$2,285FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,257Average$1,616FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest$1,370Average$2,028FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,404Average$2,086FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,405Average$2,320FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,451Average$1,890FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Royal Brunei AirlinesCheapest$1,473Average$1,743FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
China AirlinesCheapest$1,491Average$1,686FlexibilityNo cancel feeOn-time70%
Search China Airlines flights
Cathay PacificCheapest$1,497Average$2,000FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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 Australia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Australia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Australia for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Australia from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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