Cheap flights from London to Australia from $774

LON — SYD
4 Dec — 11 Dec1
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

Sat 7/1121:00 -
1 stop26h 00m
Mon 30/1111:10 -
1 stop40h 20m
Deal found 31/10$1,454
Wed 4/1117:15 -
2 stops65h 55m
Wed 11/1110:10 -
1 stop42h 25m
Deal found 1/11$1,456
Thu 26/1109:50 -
1 stop25h 20m
Sun 6/1223:00 -
2 stops52h 20m
Deal found 3/11$1,456
Sat 7/1121:00 -
1 stop26h 00m
Mon 7/1211:10 -
1 stop29h 15m
Deal found 31/10$1,457
Wed 30/1210:30 -
1 stop41h 00m
Mon 1/211:10 -
1 stop29h 20m
Deal found 3/11$1,459
Tue 8/1220:20 -
2 stops38h 10m
Thu 21/108:40 -
2 stops67h 40m
Deal found 31/10$1,460
Thu 19/1121:30 -
2 stops37h 40m
Sat 6/210:10 -
2 stops37h 50m
Deal found 30/10$1,463
Sun 8/1117:15 -
2 stops29h 00m
Sun 6/1223:00 -
1 stop29h 35m
Deal found 31/10$1,464
Wed 9/1216:05 -
1 stop31h 30m
Tue 19/123:25 -
1 stop30h 10m
Deal found 31/10$1,464
Fri 27/1121:30 -
2 stops37h 40m
Tue 23/223:00 -
2 stops29h 35m
Deal found 1/11$1,467
Mon 9/1121:00 -
1 stop30h 05m
Tue 24/1122:30 -
1 stop30h 00m
Deal found 31/10$1,469
Wed 9/1217:15 -
2 stops26h 35m
Thu 21/108:40 -
1 stop44h 55m
Deal found 31/10$1,472

Find flight deals from London to Australia

Round-trip from

$1,456

One-way from

$774

Popular in

December

Cheapest in

May

Average price

$1,774

Good round-trip deal

$2,587 or less

Good one-way deal

$1,957 or less
China Southern
  • China Southern
  • 26/11-12/12
  • 3 total stops
  • 66h 45m total
  • London to Australia
China Eastern
  • China Eastern
  • 26/11-31/12
  • 1 total stop
  • 38h 35m total
  • London to Australia
Highest demand for flights based on searches. 6% potential increase in price ($194 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Average for round-trip flights in November 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

 
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 London Heathrow - MEL Melbourne

LHRMEL

London Heathrow

Tue 8/12

08:50-14:05

3 stops42h 15m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$848

LondonBrisbane

LHR London Heathrow - BNE Brisbane

LHRBNE

London Heathrow

Thu 3/12

22:30-22:10

3 stops37h 40m

Brisbane

Wed 31/12

00:00-15:00

Nonstop0h 00m

$970

LondonPerth

LGW London Gatwick - PER Perth

LGWPER

London Gatwick

Mon 30/11

09:50-21:35

1 stop27h 45m

Perth

Wed 31/12

00:00-17:00

Nonstop0h 00m

$1,023

LondonBrisbane

LHR London Heathrow - BNE Brisbane

LHRBNE

London Heathrow

Wed 31/3

18:40-10:50

2 stops31h 10m

Brisbane

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,214

LondonAdelaide

LHR London Heathrow - ADL Adelaide

LHRADL

London Heathrow

Tue 15/12

20:50-19:10

3 stops59h 50m

Adelaide

Wed 31/12

00:00-15:30

Nonstop0h 00m

$1,214

LondonSydney

LGW London Gatwick - SYD Sydney Kingsford Smith

LGWSYD

London Gatwick

Tue 6/4

18:35-06:10

2 stops26h 35m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,215

LondonPerth

LGW London Gatwick - PER Perth

LGWPER

London Gatwick

Tue 1/12

08:40-18:45

1 stop26h 05m

Perth

Wed 31/12

00:00-17:00

Nonstop0h 00m

$1,224

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Fri 27/11

08:40-17:45

1 stop22h 05m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,239

LondonMelbourne

LGW London Gatwick - MEL Melbourne

LGWMEL

London Gatwick

Sat 14/11

08:40-17:50

1 stop22h 10m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,242

LondonPerth

LHR London Heathrow - PER Perth

LHRPER

London Heathrow

Mon 30/11

18:45-18:45

1 stop40h 00m

Perth

Wed 31/12

00:00-17:00

Nonstop0h 00m

$1,281

Flights are sorted by cheapest return flights first.

Deals found on 30/10

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

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 $1,804). Flying from London to Australia in December is currently the most expensive (average of $2,678). 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?

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

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 22% of weekly flights between London and Australia have experienced delays in the past year, with the average delay time being 108 minutes.

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

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the morning 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 22% 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 46 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

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.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Boarding

8.3

Crew

8.6

Entertainment

8.1

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 20
2.0
Mediocre

Sanku,July 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Related info for your journey

  • How long is the flight from London to Australia?

    A quick flight from London to Australia can take about 23h 40m. Malaysia Airlines provides one of the quickest options available for as low as $1,853. 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 ($510), China Southern ($655), and Shenzhen Airlines ($669).

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

  • What are the cheapest flights from London to Australia?

    While on average a flight from London to Australia is generally $3,477, our data shows the cheapest flight currently is $2,362. When looking at the most popular route, (London Heathrow - Sydney Kingsford Smith), you can expect to pay $1,175 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 $1,804). Flying from London to Australia in December is currently the most expensive (average of $2,678). 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

Top 10 airlines flying from London to Australia

AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$797Average$1,531FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest$1,200Average$2,062FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest$1,251Average$2,370FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,253Average$1,670FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest$1,303Average$1,849FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,400Average$2,591FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Cathay PacificCheapest$1,492Average$2,066FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest$1,506Average$2,374FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Malaysia AirlinesCheapest$1,567Average$2,749FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest$1,722Average$2,003FlexibilityNo cancel feeOn-time75%
Search Emirates flights

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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.

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