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Cheap flights from London to Australia from $871

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
14 Dec — 21 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from London to Australia

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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 14 November 2025.

Mon 17/1122:00LHR - BNE
1 stop24h 15mChina Southern
Thu 4/1210:15BNE - LHR
1 stop42h 20mChina Southern
Deal found 12/11$1,445
Wed 12/1117:00LGW - MEL
1 stop34h 05mChina Eastern
Mon 24/1112:00MEL - LGW
1 stop29h 30mChina Eastern
Deal found 12/11$1,448
Wed 3/1222:00LHR - MEL
1 stop24h 45mChina Southern
Mon 12/111:25MEL - LHR
2 stops42h 10mChina Southern
Deal found 13/11$1,454
Mon 17/1122:00LHR - BNE
1 stop24h 15mChina Southern
Wed 3/1210:15BNE - LHR
1 stop42h 20mChina Southern
Deal found 12/11$1,460
Thu 27/1121:30LHR - SYD
2 stops35h 50mChina Southern
Wed 14/115:15SYD - LHR
1 stop38h 20mChina Southern
Deal found 11/11$1,462
Fri 5/1221:30LHR - MEL
2 stops46h 20mChina Southern
Thu 15/111:25MEL - LHR
1 stop42h 10mChina Southern
Deal found 12/11$1,463
Thu 27/1121:30LHR - BNE
2 stops37h 40mChina Southern
Thu 4/1210:15BNE - LHR
1 stop42h 20mChina Southern
Deal found 12/11$1,465
Wed 19/1110:30LGW - SYD
1 stop40h 05mMultiple Airlines
Sat 14/221:15SYD - LGW
2 stops29h 55mMultiple Airlines
Deal found 12/11$1,465
Mon 29/1221:00LHR - SYD
2 stops51h 00mChina Eastern
Wed 28/110:30SYD - LHR
1 stop42h 00mChina Eastern
Deal found 11/11$1,465
Sat 29/1120:25LHR - SYD
1 stop32h 05mAir China
Sun 7/1220:40SYD - LHR
1 stop30h 15mAir China
Deal found 11/11$1,466
Mon 17/1121:00LHR - MEL
1 stop26h 00mChina Eastern
Wed 26/1112:00MEL - LHR
1 stop40h 30mChina Eastern
Deal found 14/11$1,468
Wed 31/1211:35LGW - MEL
1 stop41h 05mMultiple Airlines
Tue 13/110:00MEL - LGW
3 stops47h 35mMultiple Airlines
Deal found 13/11$1,468

Cheap flight deals from London to Australia

Keep the following information in mind while searching for London to Australia flight deals. Data was last updated 14 November 2025.

Round-trip from

$1,433

One-way from

$871

Popular in

December

Cheapest in

May

Average price

$1,740

Good round-trip deal

$2,064 or less

Good one-way deal

$1,601 or less
China Eastern
  • China Eastern
  • 1/3-23/3
  • 2 total stops
  • 66h 20m total
  • London to Australia
Search Deals
China Eastern
  • China Eastern
  • 19/11
  • 1 total stop
  • 26h 00m total
  • London to Australia
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($322 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
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 14 November 2025.
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

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sat 14/3

10:30-10:00

1 stop36h 30m

Melbourne

Wed 18/3

22:30-06:30

1 stop43h 00m

$1,477

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Fri 27/2

21:15-10:45

1 stop27h 30m

Brisbane

Fri 20/3

23:10-16:55

1 stop27h 45m

$1,621

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Fri 27/2

21:15-10:45

1 stop27h 30m

Brisbane

Tue 24/3

23:10-16:55

1 stop27h 45m

$1,621

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Thu 12/3

17:45-06:45

2 stops27h 00m

Brisbane

Mon 23/3

08:00-16:10

2 stops42h 10m

$1,682

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 4/2

21:10-13:00

1 stop28h 50m

Melbourne

Sun 8/2

22:20-19:10

1 stop31h 50m

$1,753

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Mon 23/2

10:20-20:55

2 stops47h 35m

Melbourne

Tue 3/3

13:10-09:20

2 stops31h 10m

$1,753

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Wed 4/3

08:40-23:20

1 stop27h 40m

Melbourne

Thu 26/3

17:10-12:35

1 stop30h 25m

$1,761

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Fri 6/2

21:10-13:00

1 stop28h 50m

Melbourne

Tue 10/2

22:20-19:10

1 stop31h 50m

$1,769

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sat 14/3

22:05-12:30

1 stop27h 25m

Melbourne

Tue 17/3

00:45-20:10

1 stop30h 25m

$1,778

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Mon 16/3

20:15-07:10

1 stop23h 55m

Melbourne

Mon 23/3

00:45-15:00

1 stop25h 15m

$1,778

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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, February is the cheapest month in which you can book a flight from London to Australia (average of $818). Flying from London to Australia in July is currently the most expensive (average of $1,601). 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 14 November 2025.

A simple way to save on the total cost of your ticket is to fly from London to Australia in the afternoon. If you’re flexible enough to do this you can expect to save up to 10% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from London to Australia?

Use this chart to determine the cheapest time to fly return from London to Australia. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London to Australia flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 14 November 2025.

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).

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 14 November 2025.
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.
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

8.0

Food

7.8

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Singapore Airlines
8.1
Very Good
1,401 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

8.0

Food

7.8

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
China Southern
7.5
Good
119 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

8.0

Food

7.8

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Qatar Airways
7.4
Good
3,661 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

8.0

Food

7.8

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
Etihad Airways
7.4
Good
1,293 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

8.0

Food

7.8

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.
China Eastern
7.2
Good
177 reviews
Singapore Airlines
8.1
Very Good
1,401 reviews
Check prices

Crew

8.6

Comfort

8.0

Entertainment

8.0

Food

7.8

Overall

8.1

Boarding

8.3

Reviews

1 / 20
10.0
Excellent

Juliet,Oct 2025

PUS - SIN

Very kind staff to arrange my luggage and really appreciate all help.

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 27h. China Eastern provides one of the quickest options available for as low as $1,682. London and Australia are separated by a distance of 16533 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 China Eastern ($885), China Southern ($949), and SWISS ($1,129).

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

  • What are the cheapest flights from London to Australia?

    While on average a flight from London to Australia is generally $2,138, our data shows the cheapest flight currently is $1,188. When looking at the most popular route, (London Heathrow - Sydney Kingsford Smith), you can expect to pay $1,001 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, February is the cheapest month in which you can book a flight from London to Australia (average of $818). Flying from London to Australia in July is currently the most expensive (average of $1,601). 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

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Alternative routes for London to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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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 14 November 2025.
AirlineCheapestAverageFlexibilityOn-time
China EasternCheapest$1,090Average$1,706FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
China SouthernCheapest$1,104Average$1,582FlexibilityNo cancel feeOn-time69%
Search China Southern flights
British AirwaysCheapest$1,105Average$2,189FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air ChinaCheapest$1,183Average$2,422FlexibilityNo cancel feeOn-time67%
Search Air China flights
Malaysia AirlinesCheapest$1,323Average$2,066FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Royal Brunei AirlinesCheapest$1,385Average$1,833FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
EmiratesCheapest$1,449Average$2,417FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest$1,463Average$2,060FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air IndiaCheapest$1,501Average$2,079FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,508Average$2,379FlexibilityNo cancel feeOn-time75%
Search Etihad Airways 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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