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Cheap flights from London to Australia from $729

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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
21 Mar — 28 Mar1
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 19 February 2026.

Sun 22/217:05
LGW
-
SYD
2 stops26h 30m
Turkish Airlines
Sun 8/316:35
SYD
-
LGW
2 stops27h 50m
Turkish Airlines
Deal found 17/2$1,342
Sun 3/521:00
LHR
-
MEL
2 stops26h 40m
China Southern
Wed 27/521:00
MEL
-
LHR
1 stop31h 00m
China Southern
Deal found 17/2$1,342
Wed 18/321:00
LHR
-
SYD
1 stop29h 35m
China Eastern
Wed 25/312:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 18/2$1,342
Sun 7/611:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Sun 5/720:30
SYD
-
LGW
1 stop43h 10m
China Eastern
Deal found 18/2$1,343
Fri 1/518:40
LGW
-
MEL
1 stop29h 20m
China Eastern
Mon 18/512:00
MEL
-
LGW
2 stops51h 40m
China Eastern
Deal found 17/2$1,343
Sun 15/321:00
LHR
-
SYD
3 stops47h 20m
China Eastern
Sun 22/312:00
SYD
-
LHR
1 stop40h 30m
China Eastern
Deal found 15/2$1,343
Thu 29/1010:30
LGW
-
SYD
1 stop40h 05m
China Eastern
Thu 19/1121:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 17/2$1,345
Sun 8/321:00
LHR
-
MEL
3 stops75h 00m
China Eastern
Tue 24/322:30
MEL
-
LHR
1 stop30h 00m
China Eastern
Deal found 17/2$1,345
Sat 2/521:20
LHR
-
SYD
1 stop30h 15m
China Eastern
Mon 25/520:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 16/2$1,345
Wed 14/1010:25
LGW
-
SYD
2 stops36h 55m
Multiple Airlines
Tue 3/1121:30
SYD
-
LGW
1 stop27h 30m
Multiple Airlines
Deal found 18/2$1,346
Mon 2/319:55
STN
-
SYD
2 stops35h 55m
Multiple Airlines
Mon 23/320:05
SYD
-
STN
2 stops28h 00m
Multiple Airlines
Deal found 15/2$1,346
Mon 4/521:00
LHR
-
MEL
2 stops26h 40m
China Southern
Wed 20/521:00
MEL
-
LHR
1 stop31h 00m
China Southern
Deal found 15/2$1,346

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 19 February 2026.

Round-trip from

$1,338

One-way from

$729

Popular in

December

Cheapest in

May

Average price

$1,707

Good round-trip deal

$2,496 or less

Good one-way deal

$1,918 or less
Air India
  • Air India
  • 6/5-24/5
  • 2 total stops
  • 68h 05m total
  • London to Australia
Search Deals
China Southern
  • China Southern
  • 4/6
  • 2 total stops
  • 30h 35m total
  • London to Australia
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($228 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 19 February 2026.
Use the filters below to find and compare flights from London to Australia that are best for you.

Fly from

London

Fly to

Australia

Route

Depart

Return

Price

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 6/4

11:35-09:00

1 stop36h 25m

Sydney Kingsford Smith

Mon 27/4

20:30-15:00

1 stop27h 30m

$1,348

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sat 9/5

11:35-10:00

3 stops37h 25m

Melbourne

Sat 23/5

11:00-16:00

1 stop38h 00m

$1,348

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 14/4

11:35-10:00

3 stops37h 25m

Melbourne

Sat 23/5

11:00-16:00

1 stop38h 00m

$1,348

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Fri 8/5

11:35-09:00

1 stop36h 25m

Melbourne

Sat 16/5

12:00-16:00

2 stops37h 00m

$1,348

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Mon 13/4

11:35-10:00

3 stops61h 25m

Melbourne

Sun 24/5

11:00-15:10

1 stop37h 10m

$1,348

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Mon 11/5

21:20-10:00

2 stops51h 40m

Melbourne

Mon 1/6

12:00-18:40

3 stops63h 40m

$1,355

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Wed 27/5

18:25-12:35

1 stop33h 10m

Sydney Kingsford Smith

Fri 5/6

10:05-16:00

3 stops62h 55m

$1,357

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Tue 3/3

17:05-08:30

3 stops28h 25m

Melbourne

Sun 15/3

18:20-09:25

2 stops26h 05m

$1,408

LondonSydney

STN - SYD

STNSYD

London Stansted

Tue 24/3

17:20-17:55

2 stops37h 35m

Sydney Kingsford Smith

Thu 23/4

21:30-16:40

2 stops28h 10m

$1,417

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/6

20:35-18:25

1 stop36h 50m

Sydney Kingsford Smith

Wed 24/6

20:00-19:00

1 stop32h 00m

$1,428

Flights are sorted by cheapest return flights first.

Deals found on 15/2

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from London to Australia (average of $938). Flying from London to Australia in July is currently the most expensive (average of $1,403). 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 19 February 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 19 February 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 19 February 2026.
Read through reviews of airlines operating flights from London to Australia, such as Singapore Airlines, Qatar Airways, andEtihad Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very Good
1,463 reviews
Check prices

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
1,463 reviews
Singapore Airlines
8.2
Very Good
1,463 reviews
Check prices

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
3,739 reviews
Singapore Airlines
8.2
Very Good
1,463 reviews
Check prices

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
1,405 reviews
Singapore Airlines
8.2
Very Good
1,463 reviews
Check prices

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
7.3
Good
137 reviews
Singapore Airlines
8.2
Very Good
1,463 reviews
Check prices

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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
193 reviews
Singapore Airlines
8.2
Very Good
1,463 reviews
Check prices

Crew

8.6

Boarding

8.3

Comfort

8.0

Food

7.8

Overall

8.2

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 36h 25m. China Eastern provides one of the quickest options available for as low as $1,348. London and Australia are separated by a distance of 17008 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 ($622), Hainan Airlines ($639), and China Eastern ($691).

  • 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 $938). Flying from London to Australia in July is currently the most expensive (average of $1,403). 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 19 February 2026.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$790Average$1,456FlexibilityNo cancel feeOn-time69%
Search China Southern flights
China EasternCheapest$1,011Average$1,513FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
British AirwaysCheapest$1,025Average$1,929FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air ChinaCheapest$1,114Average$2,315FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest$1,228Average$1,972FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Royal Brunei AirlinesCheapest$1,284Average$1,700FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Singapore AirlinesCheapest$1,316Average$2,155FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Air IndiaCheapest$1,349Average$1,948FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Qatar AirwaysCheapest$1,423Average$2,143FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Turkish AirlinesCheapest$1,429Average$1,860FlexibilityNo 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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