Cheap flights from London to Australia from $766

LON — SYD
14 Nov — 21 Nov1
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

Thu 31/1212:30 -
1 stop24h 20m
Tue 23/212:00 -
1 stop40h 30m
Deal found 11/10$1,380
Mon 23/1122:00 -
1 stop36h 30m
Mon 7/1208:40 -
1 stop44h 55m
Deal found 11/10$1,381
Thu 31/1212:30 -
1 stop24h 20m
Tue 19/122:30 -
1 stop30h 00m
Deal found 12/10$1,382
Thu 19/1110:30 -
1 stop36h 30m
Sat 27/212:00 -
1 stop37h 00m
Deal found 11/10$1,382
Tue 17/1122:00 -
1 stop36h 30m
Thu 3/1211:25 -
1 stop42h 10m
Deal found 13/10$1,384
Tue 17/1110:30 -
1 stop40h 35m
Mon 30/1112:00 -
1 stop29h 30m
Deal found 12/10$1,384
Fri 30/1021:00 -
2 stops31h 30m
Fri 6/1109:15 -
1 stop37h 15m
Deal found 11/10$1,385
Thu 31/1210:30 -
1 stop26h 20m
Wed 20/112:00 -
1 stop29h 30m
Deal found 12/10$1,385
Mon 7/1221:30 -
2 stops37h 00m
Tue 19/111:25 -
2 stops37h 35m
Deal found 13/10$1,387
Thu 31/1212:30 -
2 stops35h 30m
Mon 1/312:00 -
1 stop40h 30m
Deal found 12/10$1,388
Wed 11/1110:30 -
2 stops61h 30m
Mon 16/1112:00 -
1 stop29h 30m
Deal found 12/10$1,391
Fri 30/1021:00 -
2 stops31h 30m
Thu 12/1101:30 -
1 stop30h 00m
Deal found 11/10$1,394

Find flight deals from London to Australia

Round-trip from

$1,380

One-way from

$766

Popular in

December

Cheapest in

May

Average price

$1,938

Good round-trip deal

$2,350 or less

Good one-way deal

$1,660 or less
China Eastern
  • China Eastern
  • 31/12-23/2
  • 2 total stops
  • 64h 50m total
  • London to Australia
Beijing Capital Airlines
  • Beijing Capital Airlines
  • 20/11-31/12
  • 1 total stop
  • 24h 55m total
  • London to Australia
Highest demand for flights based on searches. 6% potential increase in price ($208 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($98 potential savings vs. average return price).
Average for round-trip flights in October 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

Mon 2/11

21:30-09:35

1 stop25h 05m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$785

LondonMelbourne

LHR London Heathrow - MEL Melbourne

LHRMEL

London Heathrow

Thu 12/11

22:30-13:00

1 stop27h 30m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$824

LondonMelbourne

LHR London Heathrow - MEL Melbourne

LHRMEL

London Heathrow

Wed 2/12

15:45-10:00

2 stops31h 15m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$833

LondonBrisbane

LGW London Gatwick - BNE Brisbane

LGWBNE

London Gatwick

Wed 18/11

17:00-09:00

1 stop30h 00m

Brisbane

Wed 31/12

00:00-15:00

Nonstop0h 00m

$840

LondonBrisbane

LHR London Heathrow - BNE Brisbane

LHRBNE

London Heathrow

Wed 18/11

22:00-08:15

1 stop24h 15m

Brisbane

Wed 31/12

00:00-15:00

Nonstop0h 00m

$877

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Sun 8/11

20:45-10:00

2 stops50h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$880

LondonMelbourne

LHR London Heathrow - MEL Melbourne

LHRMEL

London Heathrow

Sun 15/11

21:30-21:30

2 stops37h 00m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$893

LondonMelbourne

LHR London Heathrow - MEL Melbourne

LHRMEL

London Heathrow

Sun 25/10

12:30-10:35

1 stop35h 05m

Melbourne

Wed 31/12

00:00-15:00

Nonstop0h 00m

$918

LondonBrisbane

LGW London Gatwick - BNE Brisbane

LGWBNE

London Gatwick

Wed 9/12

11:45-07:00

3 stops33h 15m

Brisbane

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,035

LondonSydney

LHR London Heathrow - SYD Sydney Kingsford Smith

LHRSYD

London Heathrow

Mon 28/12

21:30-06:50

2 stops46h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-15:00

Nonstop0h 00m

$1,040

Flights are sorted by cheapest return flights first.

Deals found on 12/10

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 $1,808). Flying from London to Australia in December is currently the most expensive (average of $2,704). 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 Thursday, which is when the least amount of flights are scheduled (2 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 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

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

Crew

8.6

Entertainment

8.1

Boarding

8.3

Food

7.8

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.

Comfort

8.0

Crew

8.6

Entertainment

8.1

Boarding

8.3

Food

7.8

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.

Comfort

8.0

Crew

8.6

Entertainment

8.1

Boarding

8.3

Food

7.8

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.

Comfort

8.0

Crew

8.6

Entertainment

8.1

Boarding

8.3

Food

7.8

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.

Comfort

8.0

Crew

8.6

Entertainment

8.1

Boarding

8.3

Food

7.8

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.

Comfort

8.0

Crew

8.6

Entertainment

8.1

Boarding

8.3

Food

7.8

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 24h 35m. Air India provides one of the quickest options available for as low as $1,492. 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 ($514), China Southern ($686), and China Eastern ($710).

  • 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 $3,501, our data shows the cheapest flight currently is $2,350. When looking at the most popular route, (London Heathrow - Sydney Kingsford Smith), you can expect to pay $1,251 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 $1,808). Flying from London to Australia in December is currently the most expensive (average of $2,704). 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$805Average$1,683FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air IndiaCheapest$1,208Average$2,077FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Singapore AirlinesCheapest$1,260Average$2,357FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
China EasternCheapest$1,279Average$1,507FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest$1,312Average$1,894FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Qatar AirwaysCheapest$1,410Average$2,622FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Cathay PacificCheapest$1,503Average$2,195FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qantas AirwaysCheapest$1,512Average$2,363FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Malaysia AirlinesCheapest$1,578Average$2,769FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
EmiratesCheapest$1,734Average$2,077FlexibilityNo cancel feeOn-time75%
Search Emirates flights

Fly with Cheapflights

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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