Cheap flights from London to Australia from £426

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
9 Jul — 16 Jul1
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
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 9 June 2026.

Wed 1/717:10
LGW
-
SYD
1 stop41h 15m
China Southern
Thu 9/710:05
SYD
-
LGW
1 stop29h 25m
China Southern
Deal found 4/6£839
Fri 12/622:15
LHR
-
SYD
1 stop22h 50m
Emirates
Fri 19/606:00
SYD
-
LHR
1 stop23h 15m
Emirates
Deal found 8/6£839
Tue 1/921:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Sat 3/1010:00
SYD
-
LHR
3 stops41h 40m
China Eastern
Deal found 7/6£840
Sun 5/722:10
LHR
-
SYD
1 stop36h 15m
China Southern
Sat 18/710:05
SYD
-
LHR
2 stops39h 10m
China Southern
Deal found 4/6£841
Fri 4/911:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Wed 9/911:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 5/6£842
Mon 15/622:10
LHR
-
SYD
1 stop36h 15m
China Southern
Wed 15/710:05
SYD
-
LHR
1 stop42h 15m
China Southern
Deal found 5/6£842
Sat 7/1121:30
LHR
-
SYD
2 stops35h 50m
China Southern
Wed 25/1115:15
SYD
-
LHR
2 stops37h 40m
China Southern
Deal found 6/6£843
Thu 5/1121:30
LHR
-
SYD
2 stops35h 50m
China Southern
Mon 30/1115:15
SYD
-
LHR
1 stop38h 20m
China Southern
Deal found 7/6£845
Tue 1/1221:30
LHR
-
SYD
2 stops29h 05m
China Southern
Mon 1/222:10
SYD
-
LHR
1 stop31h 25m
China Southern
Deal found 6/6£847
Thu 3/911:35
LGW
-
SYD
2 stops35h 25m
China Eastern
Sun 13/911:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 5/6£848
Tue 23/611:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Wed 29/710:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Deal found 7/6£849
Wed 24/611:35
LGW
-
SYD
1 stop36h 25m
China Eastern
Wed 22/710:05
SYD
-
LGW
2 stops37h 55m
China Eastern
Deal found 6/6£852

Find flight deals from London to Australia

Keep the following information in mind while searching for London to Australia flight deals. Data was last updated 9 June 2026.

Round-trip from

£840

One-way from

£426

Popular in

December

Cheapest in

May

Average price

£881

Good round-trip deal

£1,222 or less

Good one-way deal

£833 or less
China Eastern
  • China Eastern
  • 1/9-3/10
  • 4 total stops
  • 68h 20m total
  • London to Australia
China Southern
  • China Southern
  • 2/9
  • 1 total stop
  • 36h 40m total
  • London to Australia
Highest demand for flights based on searches. 6% potential increase in price (£55 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£26 potential savings vs. average return price).
Average for round-trip flights in June 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

 
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 858,174 searches. Data last updated 9 June 2026.
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

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Mon 9/11

17:00-13:35

1 stop33h 35m

Sydney Kingsford Smith

Sun 22/11

21:30-14:00

1 stop27h 30m

£882

LondonMelbourne

LHR - MEL

LHRMEL

London Heathrow

Sun 13/9

21:20-12:40

1 stop30h 20m

Melbourne

Mon 21/9

12:00-18:40

3 stops63h 40m

£899

LondonMelbourne

LGW - MEL

LGWMEL

London Gatwick

Sun 18/10

17:55-10:00

1 stop30h 05m

Melbourne

Fri 30/10

12:00-14:00

1 stop37h 00m

£899

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Sun 18/10

17:55-09:00

3 stops53h 05m

Sydney Kingsford Smith

Fri 30/10

12:00-14:00

1 stop37h 00m

£911

LondonPerth

LHR - PER

LHRPER

London Heathrow

Sun 13/9

08:25-01:10

2 stops33h 45m

Perth

Sun 4/10

02:10-19:10

2 stops24h 00m

£999

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Mon 7/9

21:45-10:55

2 stops28h 10m

Brisbane

Wed 14/10

10:40-07:00

2 stops29h 20m

£1,019

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Wed 26/8

19:30-10:20

2 stops29h 50m

Sydney Kingsford Smith

Wed 30/9

14:35-08:20

2 stops26h 45m

£1,021

LondonPerth

LHR - PER

LHRPER

London Heathrow

Tue 30/6

20:50-01:10

2 stops45h 20m

Perth

Mon 20/7

02:10-19:10

2 stops48h 00m

£1,038

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 2/9

21:05-06:05

1 stop24h 00m

Sydney Kingsford Smith

Sun 11/10

21:10-12:55

1 stop25h 45m

£1,048

LondonBrisbane

LHR - BNE

LHRBNE

London Heathrow

Thu 5/11

20:55-20:05

2 stops37h 10m

Brisbane

Thu 4/2

14:30-12:05

2 stops31h 35m

£1,049

Flights are sorted by cheapest return flights first.

Deals found on 6/6

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
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 £925). Flying from London to Australia in December is currently the most expensive (average of £1,381). 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 9 June 2026.

When flying from London to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 9 June 2026.

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 24% of weekly flights between London and Australia have experienced delays in the past year, with the average delay time being 131 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Tuesday 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 24% of flights being delayed.

How far ahead should I book a flight from London to Australia?

To ensure you get the cheapest price possible for a flight from London to Australia, you should look to book at least 53 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 9 June 2026.
See what other customers who have flown with Singapore Airlines,Cathay Pacific, andQantas Airways from London to Australia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Food

7.8

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Food

7.8

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Food

7.8

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Food

7.8

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Food

7.8

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Overall

8.2

Food

7.8

Comfort

8.0

Crew

8.6

Boarding

8.3

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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?

    For as low as £1,021, China Eastern can have you in Australia from London in 29h 50m. Airlines will cover a distance of 10568 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from London to Australia one-way?

    The cheapest airline one-way is Etihad Airways, with whom users have recently found tickets for as low as £294. However, be on the lookout for offers from China Eastern and Air China, as they are both options that can get you from London to Australia for a low price.

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

  • What are the cheapest flights from London to Australia?

    Looking at all options, your cheapest flight can be booked for £757. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for £702 on average, our data indicates £4,384 when flying from London to Australia.

  • 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 £925). Flying from London to Australia in December is currently the most expensive (average of £1,381). 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 are the most eco-friendly airlines from London to Australia?

    As a frequent flyer, you might want to help keep the planet clean by flying green via flights that have advanced mechanisms to reduce aviation emissions. Some of the best eco-friendly airlines to Australia from London include Virgin Atlantic, Alitalia, Air France, Air India, Delta Airlines, and more. These airlines engage in carbon offset programs that contribute to the neutralisation of emissions from flights. Ozone-friendly air passenger carriers engage in renewable energy projects that help reduce the climate impact of your flight. Air services such as Delta Airlines use biofuels which are more ozone-friendly than jet fuel. However, these possibilities are more achievable when you decide to use eco-friendly airlines as your means of transport every time. Furthermore, some airlines permit travellers to participate in funding the advancement of sustainable air fuels.

  • How can I fly more sustainably from London to Australia?

    We can help you book your sustainable travel through this platform. Additionally, we supply you with all the information you need to know about eco-friendly flights. You can minimise your carbon footprint by flying non-polluting commuter airlines. Newer and bigger planes have invested in promoting clean air travel technologies that help reduce carbon emissions. Of course, you can help your carbon footprint by travelling light and packing less. The plane will save more fuel if every passenger on your flight carries 1-2kg less language. Airlines can fly greener by reducing fuel consumption. Additionally, you can fly more sustainably to Australia from London by air shuttles that have removed all single-use plastic items from the flights. While onboard your flight, you may also want to select environmentally-friendly snacks.

See more FAQs

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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.

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 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£139Average£183FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£205Average£727FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Air ChinaCheapest£386Average£883FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£472Average£934FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
LufthansaCheapest£633Average£1,066FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
SWISSCheapest£659Average£1,090FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Royal Brunei AirlinesCheapest£660Average£870FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Asiana AirlinesCheapest£682Average£1,534FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
Vietnam AirlinesCheapest£730Average£1,043FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
China AirlinesCheapest£745Average£899FlexibilityNo cancel feeOn-time70%
Search China Airlines 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 makes it easy to find London to Australia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Australia?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from London to Australia.

Can Cheapflights find flights from London to Australia with no change fees?

Yes, we can. To see specific flights from London to Australia with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Australia become cheaper?

Not ready to book yet? You can track prices for flights from London to Australia on Cheapflights with our Price Alert feature and get notified when better prices are available.

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