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Cheap flights from London to Australia from $724

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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
1 Apr — 8 Apr1
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 2 March 2026.

Wed 14/1018:25
LGW
-
SYD
1 stop33h 10m
China Eastern
Tue 20/1012:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 28/2$1,327
Mon 1/622:10
LHR
-
SYD
1 stop36h 15m
China Southern
Sun 14/614:10
SYD
-
LHR
2 stops36h 55m
China Southern
Deal found 28/2$1,327
Wed 22/418:25
LGW
-
SYD
1 stop29h 35m
China Eastern
Thu 14/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 1/3$1,328
Mon 19/1021:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Sun 1/1112:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 26/2$1,328
Thu 14/518:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Tue 26/511:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 27/2$1,330
Fri 23/1021:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Thu 12/1121:30
SYD
-
LHR
1 stop31h 00m
China Eastern
Deal found 27/2$1,330
Wed 22/411:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Tue 26/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 26/2$1,331
Mon 2/322:05
LHR
-
SYD
1 stop24h 30m
Cathay Pacific
Wed 11/322:20
SYD
-
LHR
1 stop27h 40m
Cathay Pacific
Deal found 27/2$1,331
Sun 7/619:00
LGW
-
SYD
1 stop29h 00m
China Eastern
Sun 5/711:00
SYD
-
LGW
1 stop37h 10m
China Eastern
Deal found 1/3$1,332
Sun 8/308:45
LHR
-
SYD
1 stop23h 30m
Air India
Sun 22/320:45
SYD
-
LHR
1 stop25h 45m
Air India
Deal found 1/3$1,332
Fri 13/317:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Wed 25/312:00
SYD
-
LGW
1 stop29h 30m
China Eastern
Deal found 26/2$1,334
Wed 29/421:20
LHR
-
MEL
1 stop26h 40m
China Eastern
Wed 13/511:00
MEL
-
LHR
1 stop40h 40m
China Eastern
Deal found 28/2$1,334

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 2 March 2026.

Round-trip from

$1,327

One-way from

$724

Popular in

December

Cheapest in

May

Average price

$1,681

Good round-trip deal

$2,451 or less

Good one-way deal

$1,905 or less
China Eastern
  • China Eastern
  • 10/5-14/5
  • 2 total stops
  • 66h 10m total
  • London to Australia
Search Deals
12/4
  • 12/4
  • 2 total stops
  • 38h 40m total
  • London to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($229 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 2 March 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

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 6/5

21:20-09:00

1 stop26h 40m

Sydney Kingsford Smith

Tue 2/6

11:00-18:40

1 stop40h 40m

$1,328

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Thu 5/3

10:30-14:05

1 stop40h 35m

Melbourne

Thu 14/5

21:30-15:10

1 stop26h 40m

$1,394

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 12/3

17:00-11:00

2 stops31h 00m

Sydney Kingsford Smith

Mon 4/5

11:00-15:00

1 stop37h 00m

$1,417

LondonSydney

STN - SYD

STNSYD

London Stansted

Thu 23/4

17:35-09:35

2 stops31h 00m

Sydney Kingsford Smith

Sun 26/4

15:40-09:55

2 stops27h 15m

$1,421

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sat 11/4

17:35-15:50

2 stops37h 15m

Melbourne

Thu 30/4

17:20-16:40

2 stops32h 20m

$1,425

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 1/6

18:05-12:35

1 stop33h 30m

Sydney Kingsford Smith

Sat 6/6

10:00-16:00

2 stops39h 00m

$1,441

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Thu 5/3

17:05-08:30

3 stops28h 25m

Melbourne

Thu 14/5

12:00-09:55

2 stops30h 55m

$1,446

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 12/3

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Mon 4/5

20:30-18:40

1 stop31h 10m

$1,463

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 6/5

06:55-19:10

2 stops27h 15m

Sydney Kingsford Smith

Tue 12/5

15:40-09:55

2 stops27h 15m

$1,566

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Sun 26/4

17:35-06:15

2 stops27h 40m

Melbourne

Mon 11/5

21:35-16:40

2 stops28h 05m

$1,574

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 60 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from London to Australia (average of $932). Flying from London to Australia in July is currently the most expensive (average of $1,393). 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 2 March 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 2 March 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 24% of weekly flights between London and Australia have experienced delays in the past year, with the average delay time being 125 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 24% of flights being delayed.

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 2 March 2026.
Read through reviews of airlines operating flights from London to Australia, such as Singapore Airlines, Qatar Airways, andChina Southern. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,465 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.0

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
1,465 reviews
Singapore Airlines
8.2
Very Good
1,465 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.0

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
7.4
Good
3,745 reviews
Singapore Airlines
8.2
Very Good
1,465 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.0

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
7.4
Good
138 reviews
Singapore Airlines
8.2
Very Good
1,465 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.0

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
1,420 reviews
Singapore Airlines
8.2
Very Good
1,465 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.0

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
7.2
Good
196 reviews
Singapore Airlines
8.2
Very Good
1,465 reviews
Check prices

Crew

8.6

Food

7.8

Overall

8.2

Boarding

8.3

Comfort

8.0

Entertainment

8.0

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 15m. China Eastern provides one of the quickest options available for as low as $1,692. 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 ($617), Hainan Airlines ($635), and China Eastern ($686).

  • 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 Heathrow - Perth or London Heathrow - Melbourne, as they are the most popular.

  • 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, June is the cheapest month in which you can book a flight from London to Australia (average of $932). Flying from London to Australia in July is currently the most expensive (average of $1,393). 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 2 March 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$784Average$1,447FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,004Average$1,516FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
British AirwaysCheapest$1,018Average$1,888FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air ChinaCheapest$1,106Average$2,299FlexibilityNo cancel feeOn-time67%
Search Air China flights
Royal Brunei AirlinesCheapest$1,278Average$1,704FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Singapore AirlinesCheapest$1,307Average$2,144FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest$1,340Average$1,856FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest$1,414Average$2,127FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest$1,414Average$1,960FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Turkish AirlinesCheapest$1,419Average$1,847FlexibilityNo cancel feeOn-time77%
Search Turkish 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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