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Cheap flights from London to Australia from $926

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
22 Jul — 29 Jul1
1 adult

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 17 July 2025.

Round-trip from

$1,514

One-way from

$926

Popular in

December

Cheapest in

May

Average price

$2,521

Good round-trip deal

$2,554 or less

Good one-way deal

$2,159 or less
China Eastern
  • China Eastern
  • 28/10-14/11
  • 2 total stops
  • 64h 00m total
  • London to Australia
30/11
  • 30/11
  • 2 total stops
  • 35h 05m total
  • London to Australia
Highest demand for flights based on searches. 9% potential increase in price ($330 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
Average for round-trip flights in July 2025
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.

Find flight deals from London to Australia

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 17 July 2025.

Thu 30/1020:25LHR - SYD
1 stop32h 05mAir China
Sat 22/1120:40SYD - LHR
1 stop32h 10mAir China
Deal found 14/7$1,510
Wed 24/1221:30LHR - SYD
2 stops35h 50mChina Southern
Tue 20/111:25SYD - LHR
1 stop41h 50mChina Southern
Deal found 14/7$1,513
Sun 2/1121:00LHR - SYD
1 stop26h 00mChina Eastern
Wed 19/1112:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 14/7$1,514
Thu 11/918:00LGW - SYD
1 stop30h 00mChina Eastern
Wed 17/911:00SYD - LGW
1 stop37h 00mChina Eastern
Deal found 15/7$1,522
Thu 16/1018:00LGW - MEL
1 stop33h 40mChina Eastern
Tue 4/1122:30MEL - LGW
1 stop26h 30mChina Eastern
Deal found 14/7$1,527
Tue 14/1021:30LGW - SYD
2 stops36h 55mChina Southern
Sun 2/1122:00SYD - LGW
2 stops54h 20mChina Southern
Deal found 15/7$1,528
Thu 18/911:35LGW - SYD
2 stops39h 00mMultiple Airlines
Sat 11/1013:50SYD - LGW
2 stops59h 20mMultiple Airlines
Deal found 16/7$1,540
Fri 7/1121:30LHR - MEL
2 stops37h 00mChina Southern
Fri 21/1111:25MEL - LHR
1 stop41h 50mChina Southern
Deal found 14/7$1,544
Fri 5/917:15LHR - MEL
2 stops27h 15mRoyal Brunei Airlines
Thu 2/1012:30MEL - LHR
2 stops26h 50mRoyal Brunei Airlines
Deal found 14/7$1,545
Mon 10/1121:00LHR - MEL
1 stop26h 00mChina Eastern
Sat 22/1122:30MEL - LHR
1 stop30h 00mChina Eastern
Deal found 13/7$1,547
Mon 8/922:00LHR - SYD
2 stops55h 15mHainan Airlines
Tue 23/921:00SYD - LHR
1 stop31h 30mHainan Airlines
Deal found 14/7$1,547
Mon 22/912:00LGW - MEL
1 stop35h 40mChina Southern
Wed 15/1011:20MEL - LGW
1 stop29h 45mChina Southern
Deal found 16/7$1,553

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 17 July 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

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 11/9

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Wed 17/9

11:00-15:00

1 stop37h 00m

$1,522

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 25/12

21:30-20:20

2 stops35h 50m

Sydney Kingsford Smith

Thu 22/1

11:25-17:55

2 stops41h 30m

$1,525

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 14/10

21:30-20:25

2 stops36h 55m

Sydney Kingsford Smith

Sun 2/11

22:00-17:20

2 stops54h 20m

$1,528

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Fri 29/8

11:35-10:00

2 stops61h 25m

Melbourne

Sun 7/9

11:00-06:40

1 stop28h 40m

$1,530

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 18/9

11:35-11:35

2 stops39h 00m

Sydney Kingsford Smith

Sat 11/10

13:50-15:10

2 stops59h 20m

$1,540

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 24/8

17:15-05:30

2 stops27h 15m

Melbourne

Tue 23/9

12:30-06:25

2 stops26h 55m

$1,544

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 3/9

21:20-07:40

2 stops49h 20m

Sydney Kingsford Smith

Tue 16/9

11:20-18:40

3 stops40h 20m

$1,548

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 13/11

17:40-15:30

1 stop34h 50m

Sydney Kingsford Smith

Sat 22/11

20:40-17:50

1 stop32h 10m

$1,550

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Mon 22/9

12:00-08:40

1 stop35h 40m

Melbourne

Wed 15/10

11:20-07:05

1 stop29h 45m

$1,553

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 3/9

21:20-10:00

2 stops51h 40m

Melbourne

Mon 8/9

11:00-18:40

1 stop40h 40m

$1,553

Flights are sorted by cheapest return flights first.

Deals found on 14/7

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, May is the cheapest month in which you can book a flight from London to Australia (average of $129). Flying from London to Australia in October is currently the most expensive (average of $171). 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 17 July 2025.

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 17 July 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 17 July 2025.
Read through reviews of airlines operating flights from London to Australia, such as Hainan Airlines, Emirates, andKLM. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.6

Crew

8.9

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Entertainment

7.6

Crew

8.9

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Entertainment

7.6

Crew

8.9

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Entertainment

7.6

Crew

8.9

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Entertainment

7.6

Crew

8.9

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

Entertainment

7.6

Crew

8.9

Overall

8.2

Food

8.6

Comfort

8.1

Boarding

8.6

Reviews

1 / 2
10.0
Excellent

Anonymous,Mar 2025

CAN - PEK

Excellent services. The staff were amazing. Although if there was something that I could suggest to improve the services I’d say that snacks and drinks should be offered in between meals. Other than that then it was a lovely flight.

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.
  • 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 Southern ($927), China Eastern ($932), and Air China ($933).

  • 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 $3,161, our data shows the cheapest flight currently is $1,799. When looking at the most popular route, (London Heathrow - Sydney Kingsford Smith), you can expect to pay $1,323 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 $129). Flying from London to Australia in October is currently the most expensive (average of $171). 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 17 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$623Average$2,050FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,095Average$1,843FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
British AirwaysCheapest$1,110Average$2,275FlexibilityNo cancel feeOn-time70%
Search British Airways flights
China SouthernCheapest$1,125Average$1,648FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Malaysia AirlinesCheapest$1,329Average$2,123FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Royal Brunei AirlinesCheapest$1,391Average$1,570FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
EmiratesCheapest$1,455Average$2,405FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest$1,462Average$2,090FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air IndiaCheapest$1,508Average$2,105FlexibilityNo cancel feeOn-timeN/A
Search Air India flights
Etihad AirwaysCheapest$1,515Average$2,354FlexibilityNo 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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