Cheap flights from London to Australia from £387

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 21/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — SYD
9 Apr — 16 Apr1
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 10 March 2026.

Sun 7/617:55
LGW
-
SYD
1 stop30h 05m
China Eastern
Sun 5/711:00
SYD
-
LGW
1 stop37h 00m
China Eastern
Deal found 5/3£701
Sun 17/521:20
LHR
-
SYD
1 stop26h 40m
China Eastern
Wed 10/620:30
SYD
-
LHR
1 stop31h 10m
China Eastern
Deal found 5/3£701
Sun 15/321:00
LHR
-
SYD
1 stop26h 00m
China Eastern
Sun 29/311:05
SYD
-
LHR
2 stops41h 35m
China Eastern
Deal found 5/3£702
Sat 16/518:00
LGW
-
SYD
1 stop33h 35m
China Eastern
Tue 26/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 5/3£703
Wed 20/522:10
LHR
-
SYD
1 stop25h 15m
China Southern
Tue 9/614:10
SYD
-
LHR
1 stop38h 10m
China Southern
Deal found 5/3£703
Mon 2/1122:00
LHR
-
SYD
1 stop35h 20m
China Southern
Mon 23/1111:25
SYD
-
LHR
1 stop42h 10m
China Southern
Deal found 5/3£704
Wed 13/518:00
LGW
-
SYD
1 stop30h 00m
China Eastern
Sun 14/620:30
SYD
-
LGW
1 stop27h 30m
China Eastern
Deal found 9/3£705
Wed 6/521:00
LHR
-
SYD
2 stops30h 25m
China Southern
Sat 6/614:10
SYD
-
LHR
1 stop38h 10m
China Southern
Deal found 8/3£705
Sat 9/511:35
LGW
-
SYD
1 stop40h 00m
China Eastern
Thu 14/511:00
SYD
-
LGW
1 stop28h 40m
China Eastern
Deal found 8/3£706
Sat 25/417:45
STN
-
SYD
2 stops27h 25m
Turkish Airlines
Sun 10/515:40
SYD
-
STN
2 stops27h 15m
Turkish Airlines
Deal found 8/3£706
Wed 6/522:10
LHR
-
SYD
1 stop29h 15m
China Southern
Sat 30/510:05
SYD
-
LHR
2 stops39h 10m
China Southern
Deal found 6/3£706
Tue 3/1120:20
LGW
-
SYD
2 stops37h 00m
China Southern
Mon 16/1109:20
SYD
-
LGW
2 stops43h 00m
China Southern
Deal found 6/3£707

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 10 March 2026.

Round-trip from

£701

One-way from

£387

Popular in

December

Cheapest in

May

Average price

£930

Good round-trip deal

£1,090 or less

Good one-way deal

£719 or less
China Eastern
  • China Eastern
  • 17/5-10/6
  • 2 total stops
  • 57h 50m total
  • London to Australia
21/4
  • 21/4
  • 3 total stops
  • 43h 45m total
  • London to Australia
Highest demand for flights based on searches. 8% potential increase in price (£65 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 March 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 10 March 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

LHR - SYD

LHRSYD

London Heathrow

Sun 3/5

21:20-08:00

3 stops49h 40m

Sydney Kingsford Smith

Thu 11/6

10:00-18:40

2 stops41h 40m

£715

LondonSydney

STN - SYD

STNSYD

London Stansted

Sat 11/4

17:45-06:10

2 stops27h 25m

Sydney Kingsford Smith

Sat 25/4

20:50-16:40

2 stops28h 50m

£719

LondonSydney

STN - SYD

STNSYD

London Stansted

Thu 9/4

17:35-16:50

2 stops38h 15m

Sydney Kingsford Smith

Sun 10/5

15:40-09:55

2 stops27h 15m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Tue 7/4

17:35-16:50

2 stops38h 15m

Sydney Kingsford Smith

Tue 12/5

15:40-09:55

2 stops27h 15m

£748

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Wed 13/5

17:45-15:50

2 stops61h 05m

Melbourne

Sun 17/5

17:20-22:10

2 stops37h 50m

£748

LondonSydney

STN - SYD

STNSYD

London Stansted

Wed 13/5

10:50-16:50

2 stops45h 00m

Sydney Kingsford Smith

Sun 17/5

15:40-22:10

2 stops39h 30m

£759

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Tue 30/6

10:25-08:20

1 stop36h 55m

Sydney Kingsford Smith

Mon 24/8

20:50-07:25

1 stop43h 35m

£817

LondonSydney

LHR - SYD

LHRSYD

London Heathrow

Sat 4/4

21:20-12:35

1 stop30h 15m

Sydney Kingsford Smith

Thu 2/7

10:00-18:40

2 stops41h 40m

£821

LondonMelbourne

STN - MEL

STNMEL

London Stansted

Wed 6/5

17:45-06:15

2 stops27h 30m

Melbourne

Wed 20/5

21:35-09:55

2 stops45h 20m

£826

LondonSydney

LGW - SYD

LGWSYD

London Gatwick

Thu 14/5

18:00-09:00

1 stop30h 00m

Sydney Kingsford Smith

Mon 18/5

20:30-15:00

1 stop27h 30m

£826

Flights are sorted by cheapest return flights first.

Deals found on 6/3

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, June is the cheapest month in which you can book a flight from London to Australia (average of £505). Flying from London to Australia in July is currently the most expensive (average of £747). 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 10 March 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 10 March 2026.

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).

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 129 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 22% of flights being delayed.

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 10 March 2026.
See what other customers who have flown with Singapore Airlines,Cathay Pacific, andQatar 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.

Entertainment

8.0

Boarding

8.3

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

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.

Entertainment

8.0

Boarding

8.3

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

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.

Entertainment

8.0

Boarding

8.3

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

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.

Entertainment

8.0

Boarding

8.3

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

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.

Entertainment

8.0

Boarding

8.3

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

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.

Entertainment

8.0

Boarding

8.3

Overall

8.2

Crew

8.6

Food

7.8

Comfort

8.0

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 £719, China Eastern can have you in Australia from London in 27h 25m. Airlines will cover a distance of 10528 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 SWISS, with whom users have recently found tickets for as low as £302. However, be on the lookout for offers from Beijing Capital Airlines and China Eastern, 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 £674. While the most popular route (London Heathrow - Sydney Kingsford Smith) can be booked for £629 on average, our data indicates £4,328 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, June is the cheapest month in which you can book a flight from London to Australia (average of £505). Flying from London to Australia in July is currently the most expensive (average of £747). 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 10 March 2026.
AirlineCheapestAverageFlexibilityOn-time
AirAsiaCheapest£129Average£177FlexibilityNo cancel feeOn-time66%
Search AirAsia flights
Hainan AirlinesCheapest£205Average£671FlexibilityNo cancel feeOn-time61%
Search Hainan Airlines flights
Oman AirCheapest£498Average£1,350FlexibilityNo cancel feeOn-time76%
Search Oman Air flights
Air ChinaCheapest£509Average£917FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£666Average£933FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Royal Brunei AirlinesCheapest£669Average£808FlexibilityNo cancel feeOn-time84%
Search Royal Brunei Airlines flights
Asiana AirlinesCheapest£681Average£1,347FlexibilityNo cancel feeOn-time76%
Search Asiana Airlines flights
SWISSCheapest£683Average£987FlexibilityNo cancel feeOn-time79%
Search SWISS flights
Turkish AirlinesCheapest£684Average£982FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
Vietnam AirlinesCheapest£729Average£1,039FlexibilityNo cancel feeOn-time81%
Search Vietnam 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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