Cheap flights from London to Australia from $812

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
21 Jul — 28 Jul1
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 21 June 2026.

Wed 21/1018:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Sun 8/1112:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 18/6$1,670
Tue 22/919:30
LHR
-
SYD
2 stops29h 50m
Austrian Airlines
Tue 13/1015:35
SYD
-
LHR
2 stops26h 45m
Austrian Airlines
Deal found 21/6$1,670
Fri 26/611:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Tue 14/710:05
SYD
-
LGW
3 stops53h 35m
China Eastern
Deal found 18/6$1,671
Thu 5/1121:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Wed 25/1112:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 17/6$1,671
Fri 26/611:00
LGW
-
SYD
1 stop23h 25m
China Southern
Thu 9/710:05
SYD
-
LGW
2 stops65h 25m
China Southern
Deal found 18/6$1,672
Sun 23/813:15
LHR
-
SYD
1 stop44h 50m
Air India
Wed 23/920:35
SYD
-
LHR
1 stop31h 25m
Air India
Deal found 19/6$1,672
Sun 5/711:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Sat 18/711:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 17/6$1,674
Thu 27/822:10
LHR
-
SYD
1 stop25h 15m
Multiple Airlines
Thu 10/921:00
SYD
-
LHR
2 stops31h 30m
Multiple Airlines
Deal found 20/6$1,674
Fri 26/611:00
LGW
-
SYD
1 stop36h 25m
China Southern
Fri 3/710:05
SYD
-
LGW
1 stop38h 20m
China Southern
Deal found 20/6$1,675
Wed 24/621:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Sun 12/710:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Deal found 18/6$1,675
Sun 5/722:10
LHR
-
SYD
1 stop36h 15m
China Southern
Thu 6/810:05
SYD
-
LHR
1 stop42h 15m
China Southern
Deal found 19/6$1,677
Sun 28/622:10
LHR
-
SYD
1 stop36h 15m
China Southern
Sun 12/710:05
SYD
-
LHR
2 stops41h 00m
China Southern
Deal found 19/6$1,678

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 21 June 2026.

Round-trip from

$1,670

One-way from

$812

Popular in

December

Cheapest in

May

Average price

$1,712

Good round-trip deal

$2,150 or less

Good one-way deal

$1,881 or less
China Eastern
  • China Eastern
  • 21/10-10/11
  • 2 total stops
  • 67h 00m total
  • London to Australia
China Eastern
  • China Eastern
  • 31/10
  • 1 total stop
  • 30h 00m total
  • London to Australia
Highest demand for flights based on searches. 6% potential increase in price ($190 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($95 potential savings vs. average return price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from London (LON) to Australia.
Price to beat on a one-way flight from London (LON) to Australia.

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 21 June 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

LHR - MEL

LHRMEL

London Heathrow

Thu 2/7

21:20-09:00

1 stop26h 40m

Melbourne

Mon 13/7

12:00-18:40

2 stops39h 40m

$1,805

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 12/7

11:35-08:05

2 stops35h 30m

Sydney Kingsford Smith

Mon 27/7

10:00-06:40

3 stops53h 40m

$1,835

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Sun 13/9

06:55-19:40

2 stops27h 45m

Melbourne

Wed 30/9

21:35-16:40

2 stops28h 05m

$1,853

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 7/9

22:00-09:00

1 stop26h 00m

Sydney Kingsford Smith

Fri 18/9

20:30-15:00

1 stop27h 30m

$1,878

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Tue 8/9

21:20-12:40

1 stop30h 20m

Melbourne

Thu 24/9

11:00-18:40

1 stop40h 40m

$1,905

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Wed 23/9

21:45-10:05

2 stops27h 20m

Brisbane

Wed 7/10

10:40-07:00

2 stops29h 20m

$1,933

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 3/11

06:30-20:40

2 stops27h 10m

Melbourne

Fri 20/11

22:35-16:30

2 stops28h 55m

$1,933

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Thu 5/11

06:30-20:40

2 stops27h 10m

Melbourne

Wed 18/11

22:35-16:30

2 stops28h 55m

$1,933

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Sat 12/9

06:30-05:50

3 stops38h 20m

Brisbane

Sat 10/10

08:30-21:05

2 stops45h 35m

$1,937

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Thu 27/8

21:45-08:20

2 stops49h 35m

Brisbane

Tue 8/9

16:00-12:45

2 stops29h 45m

$1,940

Flights are sorted by cheapest return flights first.

Deals found on 18/6

Showing 1-10 of 60 resultsSorted by cheapest first
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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 $1,766). Flying from London to Australia in December is currently the most expensive (average of $2,578). 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 21 June 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 21 June 2026.

The most flights from LON to AU0 are scheduled on a Tuesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 129 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 Tuesday 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 21 June 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.

Comfort

8.0

Entertainment

8.1

Food

7.8

Crew

8.6

Overall

8.2

Boarding

8.3

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.

Comfort

8.0

Entertainment

8.1

Food

7.8

Crew

8.6

Overall

8.2

Boarding

8.3

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.

Comfort

8.0

Entertainment

8.1

Food

7.8

Crew

8.6

Overall

8.2

Boarding

8.3

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.

Comfort

8.0

Entertainment

8.1

Food

7.8

Crew

8.6

Overall

8.2

Boarding

8.3

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.

Comfort

8.0

Entertainment

8.1

Food

7.8

Crew

8.6

Overall

8.2

Boarding

8.3

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.

Comfort

8.0

Entertainment

8.1

Food

7.8

Crew

8.6

Overall

8.2

Boarding

8.3

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 23h 45m. China Eastern provides one of the quickest options available for as low as $1,983. London and Australia are separated by a distance of 16943 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 ($626), China Eastern ($696), and Hainan Airlines ($705).

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

  • 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 $1,766). Flying from London to Australia in December is currently the most expensive (average of $2,578). 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 21 June 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$859Average$1,495FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest$1,121Average$2,563FlexibilityNo cancel feeOn-time67%
Search Air China flights
Singapore AirlinesCheapest$1,244Average$2,263FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,250Average$1,618FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Air IndiaCheapest$1,358Average$2,009FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,392Average$2,055FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,392Average$2,261FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,438Average$1,872FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Royal Brunei AirlinesCheapest$1,459Average$1,771FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
China AirlinesCheapest$1,477Average$1,657FlexibilityNo cancel feeOn-time70%
Search China 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 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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