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Cheap flights from London to Australia from $925

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
13 Jul — 20 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 8 July 2025.

Round-trip from

$1,483

One-way from

$925

Popular in

December

Cheapest in

May

Average price

$2,517

Good round-trip deal

$2,560 or less

Good one-way deal

$2,164 or less
China Eastern
  • China Eastern
  • 31/8-13/9
  • 4 total stops
  • 90h 00m total
  • London to Australia
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16/9
  • 16/9
  • 2 total stops
  • 51h 15m total
  • London to Australia
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Highest demand for flights based on searches. 9% potential increase in price ($335 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($97 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London (LON) to Australia.
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Price to beat on a one-way flight from London (LON) to Australia.
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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 8 July 2025.

Sun 31/819:00LGW - SYD
3 stops52h 00mChina Eastern
Sat 13/911:00SYD - LGW
1 stop38h 00mChina Eastern
Deal found 6/7$1,483
Tue 28/1021:00LHR - SYD
1 stop29h 35mChina Eastern
Tue 10/212:00SYD - LHR
1 stop40h 30mChina Eastern
Deal found 7/7$1,485
Thu 2/1009:45LHR - SYD
1 stop23h 15mAir India
Sun 19/1020:30SYD - LHR
1 stop25h 00mAir India
Deal found 7/7$1,492
Mon 1/922:05LHR - SYD
2 stops36h 25mMultiple Airlines
Sat 6/912:50SYD - LHR
2 stops40h 10mMultiple Airlines
Deal found 6/7$1,503
Wed 24/917:15LHR - MEL
2 stops27h 15mRoyal Brunei Airlines
Sat 11/1013:30MEL - LHR
2 stops26h 55mRoyal Brunei Airlines
Deal found 7/7$1,508
Mon 27/1021:30LHR - SYD
2 stops47h 00mChina Southern
Tue 18/1111:25SYD - LHR
1 stop41h 50mChina Southern
Deal found 8/7$1,511
Sun 2/1122:00LHR - MEL
1 stop36h 30mChina Southern
Tue 25/1111:25MEL - LHR
1 stop41h 50mChina Southern
Deal found 7/7$1,512
Mon 27/1017:00LGW - MEL
1 stop34h 05mChina Eastern
Sat 1/1122:30MEL - LGW
1 stop26h 30mChina Eastern
Deal found 8/7$1,528
Sat 8/1120:25LGW - SYD
2 stops36h 55mChina Southern
Sun 16/1122:00SYD - LGW
2 stops54h 20mChina Southern
Deal found 7/7$1,531
Tue 28/1017:40LHR - SYD
1 stop34h 50mAir China
Sat 15/1120:40SYD - LHR
1 stop32h 10mAir China
Deal found 7/7$1,531
Mon 27/1021:00LHR - MEL
1 stop30h 05mChina Eastern
Wed 5/1112:00MEL - LHR
1 stop40h 30mChina Eastern
Deal found 6/7$1,535
Mon 27/1017:00LGW - MEL
1 stop34h 05mMultiple Airlines
Wed 5/1113:35MEL - LGW
2 stops39h 55mMultiple Airlines
Deal found 6/7$1,549

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 8 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

Sun 31/8

19:00-08:00

3 stops52h 00m

Sydney Kingsford Smith

Sat 13/9

11:00-16:00

1 stop38h 00m

$1,483

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/10

21:00-13:35

1 stop29h 35m

Sydney Kingsford Smith

Tue 10/2

12:00-17:30

1 stop40h 30m

$1,485

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Thu 2/10

09:45-18:00

1 stop23h 15m

Sydney Kingsford Smith

Sun 19/10

20:30-11:30

1 stop25h 00m

$1,492

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 1/9

22:05-19:30

2 stops36h 25m

Sydney Kingsford Smith

Sat 6/9

12:50-20:00

2 stops40h 10m

$1,503

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Wed 24/9

17:15-05:30

2 stops27h 15m

Melbourne

Sat 11/10

13:30-06:25

2 stops26h 55m

$1,508

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Mon 27/10

21:30-07:30

2 stops47h 00m

Sydney Kingsford Smith

Tue 18/11

22:00-18:15

1 stop31h 15m

$1,511

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 2/11

22:00-21:30

1 stop36h 30m

Melbourne

Tue 25/11

11:25-18:15

1 stop41h 50m

$1,512

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Mon 27/10

17:00-14:05

1 stop34h 05m

Melbourne

Sat 1/11

22:30-14:00

1 stop26h 30m

$1,528

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Tue 28/10

17:40-15:30

1 stop34h 50m

Sydney Kingsford Smith

Sat 15/11

20:40-17:50

1 stop32h 10m

$1,531

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sat 8/11

20:25-20:20

2 stops36h 55m

Sydney Kingsford Smith

Sun 16/11

22:00-17:20

2 stops54h 20m

$1,531

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 54 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 8 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 8 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 8 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.
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Entertainment

7.6

Crew

8.9

Boarding

8.6

Comfort

8.1

Overall

8.2

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.
Hainan Airlines
8.2
Very Good
41 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Entertainment

7.6

Crew

8.9

Boarding

8.6

Comfort

8.1

Overall

8.2

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.
Emirates
8.1
Very Good
3,288 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Entertainment

7.6

Crew

8.9

Boarding

8.6

Comfort

8.1

Overall

8.2

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.
KLM
7.8
Good
1,370 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Entertainment

7.6

Crew

8.9

Boarding

8.6

Comfort

8.1

Overall

8.2

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.
Cathay Pacific
7.6
Good
929 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Entertainment

7.6

Crew

8.9

Boarding

8.6

Comfort

8.1

Overall

8.2

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.
China Southern
7.6
Good
101 reviews
Hainan Airlines
8.2
Very Good
41 reviews
Check prices

Food

8.6

Entertainment

7.6

Crew

8.9

Boarding

8.6

Comfort

8.1

Overall

8.2

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 Eastern ($931), Air China ($931), and Air India ($953).

  • 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 $2,754, our data shows the cheapest flight currently is $1,804. When looking at the most popular route, (London Heathrow - Sydney Kingsford Smith), you can expect to pay $1,282 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

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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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Air ChinaCheapest$624Average$2,020FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest$1,097Average$1,852FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
British AirwaysCheapest$1,113Average$2,272FlexibilityNo cancel feeOn-time70%
Search British Airways flights
China SouthernCheapest$1,128Average$1,647FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Qatar AirwaysCheapest$1,203Average$2,340FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Malaysia AirlinesCheapest$1,333Average$2,135FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Royal Brunei AirlinesCheapest$1,359Average$1,569FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
EmiratesCheapest$1,459Average$2,412FlexibilityNo cancel feeOn-time75%
Search Emirates flights
United AirlinesCheapest$1,465Average$2,096FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air IndiaCheapest$1,512Average$2,103FlexibilityNo cancel feeOn-timeN/A
Search Air India 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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